Garmin GI 275 Pilot's Manual
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Garmin GI 275 Pilot's Manual

Garmin GI 275 Pilot's Manual

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GI 275
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Pilot's Guide

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  • Page 1 GI 275 ™ Pilot’s Guide...
  • Page 3 SYSTEM OVERVIEW FLIGHT INSTRUMENTS NAVIGATION HAZARD AVOIDANCE AUTOPILOT IVSI ADDITIONAL FEATURES APPENDICES INDEX...
  • Page 4 Blank Page...
  • Page 5 © 2019-2022 Garmin Ltd. or its subsidiaries. All rights reserved. This manual reflects the operation of the GI 275 system through main software version 2.60. Some differences in operation may be observed when comparing the information in this manual to earlier or later software versions.
  • Page 6 WARNING: Do not rely on the displayed minimum safe altitude (MSAs) as the sole source of obstacle and terrain avoidance information. Always refer to current aeronautical charts for appropriate minimum clearance altitudes. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 7 70° North latitude between longitude 85° E and 114° E. (Northern Russia); South of 55° South latitude between longitude 120° E and 165° E. (Region south of Australia and New Zealand). 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 8 WARNING: Do not use the Garmin SVT runway depiction as the sole means for determining the proximity of the aircraft to the runway or for maintaining the proper approach path angle during landing.
  • Page 9 NOTE: Terrain and obstacle alerting is not available north of 89º North latitude and south of 89º South latitude. This is due to limitations present within the Terrain database and the system’s ability to process the data representing the affected areas. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 10 Navigation Database coding specific to each procedure. NOTE: The FAA has asked Garmin to remind pilots who fly with Garmin database- dependent avionics of the following: • It is the pilot’s responsibility to remain familiar with all FAA regulatory and advisory guidance and information related to the use of databases in the National Airspace System.
  • Page 11 Warnings, Cautions & Notes • Use of a current Garmin or Jeppesen database in your Garmin equipment is required for compliance with established FAA regulatory guidance, but does not constitute authorization to fly any and all terminal procedures that may be presented by the system. It is the pilot’s responsibility to operate...
  • Page 12 Warnings, Cautions & Notes Blank Page Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 13 Software remain with Garmin and/or its third-party providers. You acknowledge that the Software is the property of Garmin and/or its third-party providers and is protected under the United States of America copyright laws and international copyright treaties. You further acknowledge that...
  • Page 14 Software License Agreement Blank Page Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 15 December, 2020 Instantaneous Vertical Speed Indicator Enhanced Rotorcraft Features Glove Qualification August, 2020 Enhanced USB Functionality Enhanced Fast Database Sync Enhanced ADI Options Enhanced MFD Functionality GFC 500 Integration September, 2019 Production Release 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 16 Record of Revisions Blank Page Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 17: Table Of Contents

    1.5 ACCESSING SYSTEM FUNCTIONALITY ............... 20 System Settings ........................20 1.6 DISPLAY BACKLIGHTING ................... 24 1.7 DEVICE REGISTRATION ..................24 1.8 WIRELESS CONNECTIVITY (GARMIN CONNEXT) ..........25 Bluetooth Setup ........................25 Managing Paired Devices......................27 1.9 DATABASES ....................... 28 Automatic Database Updates ....................30 Manually Updating Databases ....................
  • Page 18 Bar Graph Indications....................... 68 Percent Power Indications ....................... 69 Multi-Engine Indications ......................69 3.3 EIS PAGES ......................69 Main Page ..........................70 AUX Page............................ 73 CHT/EGT Page ..........................75 Flight Summary Page ........................ 86 Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 19 5.2 DATALINK WEATHER ..................139 Datalink Weather Products ....................142 Weather Product Age ......................159 Display of Weather Products ....................161 5.3 STORMSCOPE LIGHTNING DETECTION SYSTEM ..........164 Stormscope Options ....................... 164 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 20 6.3 AUTOPILOT OPERATION .................. 198 Command Bars ........................198 Engaging the Autopilot ......................200 Disengaging the Autopilot ....................201 6.4 GARMIN GFC 500 AUTOPILOT (OPTIONAL) ............. 202 GFC 500 AFCS Configuration ....................202 GMC 507 Mode Controller ..................... 203 GSA 28 Servo ........................... 203 6.5 AFCS SYSTEM ARCHITECTURE .................
  • Page 21 8.4 FLIGHT DATA LOGGING ................... 247 Wireless Flight Data Logging With Connext ................ 247 Exporting Flight Data With a USB Drive................247 Data Parameters ........................248 8.5 GARMIN PILOT WATCH CONNECTIVITY (OPTIONAL) ........250 8.6 SYNTHETIC VISION TECHNOLOGY (SVT ) (OPTIONAL) ........252 ™...
  • Page 22 Database Troubleshooting Tips ..................... 283 APPENDIX C: AVIATION TERMS AND ACRONYMS ..........285 APPENDIX D: DISPLAY SYMBOLS ................303 VFR Symbols ..........................303 IFR Symbols ..........................304 Airspace Symbols ........................305 INDEX ........................I-1 Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 23: Section 1 System Overview

    Depictions of equipment may differ slightly from the actual equipment. 1.1 INSTRUMENT DESCRIPTION The GI 275 Multi-Function Instrument (MFI) is a highly configurable drop-in upgrade for many traditional round-gauge instruments. The MFI can relay information to and process data from compatible devices in the following categories for fixed wing and rotorcraft configurations: •...

  • Page 24: Unit Types And Configurations

    1.2 UNIT TYPES AND CONFIGURATIONS UNIT TYPES Basic The basic model of the MFI can act as an attitude indicator (ADI), horizontal situation indicator (HSI), engine indication system (EIS), or multi-function display (MFD). Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 25: Unit Configurations

    The MFI with internal ADAHRS can do everything the basic MFI does and additionally contains its own air data and AHRS source, as well as interface to Garmin's fixed wing GFC 500 or GFC 600 autopilot, saving weight and expense.

  • Page 26: Controls

    Button Large Knob Small Knob GI 275 Controls ('ADI' Page) Airspeed Altitude Button Button Rotorcraft Configuration BARO Button Button Large Knob Small Knob GI 275 Controls - Aircraft Symbol Change ('ADI' Page) Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 27 Button BARO Large Button Knob Small Knob GI 275 Controls - Aircraft Symbol Change - MACH Selected Course Guidance Selected Course Selected Course Course Guidance Selected Course Guidance NOTE: The Selected Course (CRS) feature requires installer configuration. When configured, the green Course Guidance arrow will be visible for five (5) seconds.

  • Page 28: Adi Depiction

    3) Touch the desired Aircraft Symbol, either Chevron or Standard. The ADI Depiction will now be displayed. Touch to View Touch to Select Changing ADI Depiction Touch to Select Changing ADI Depiction Cont'd Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 29: Touchscreen

    Turn the Large Knob clockwise to navigate to a page on the right or counterclockwise to navigate to a page on the left. For units with an 'ADI' Page, a rapid Large Knob counterclockwise turn will immediately navigate to the 'ADI' Page. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 30: Control Types

    Small Knob. The finger may move outside of the slider box during adjustment; slider movement stops when either the finger is released, or the slider has reached its maximum travel. Some adjustments can be done using the arrow keys underneath or next to the slider. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 31: Page Menus

    From the menu, touch and hold the Back Button. From the menu, push and hold the Small Knob. On ADI, HSI, and EIS units with a half-screen menu, touch the screen anywhere off the menu. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 32: Menu Navigation

    4) Push the Small Knob to save input. 1) Highlight a numerical data field with the Large Knob. 2) Turn the Small Knob clockwise to increase the numerical value, or counterclockwise to decrease the numerical value. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 33: Operation

    Units configured as a Primary ADI for fixed wing or rotorcraft only have an 'ADI' Page. Units configured as a Standby ADI or MFD Depending on configuration, the following pages are available: 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 34: Reversionary Operation

    SYSTEM ANNUNCIATIONS If a major component of the instrument system has failed, a red or yellow 'X' may be displayed. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 35: Backup Battery

    Shutting down in x" countdown begins with an option to Stay On or Pwr Off. The unit must be manually shut down after aircraft power is lost and the Stay On Button is selected. If airborne and power is lost, an "External power lost." message is displayed. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 36 From any page, open the menu and select System > Battery. Turning off the MFI when the backup battery is installed: From any page, open the menu and select System > Power. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 37: Adahrs Operation (Optional)

    MFI with information from its internal sensors or interconnected external sensors. Attitude and heading information are updated on the 'ADI' Page and heading data on the 'HSI' Page and 'HSI Map' Page. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 38 3) Select the Sensors Button. 4) Select the AHRS or ADC Button, then the desired AHRS or ADC source. NOTE: Manual switching of AHRS or ADC sensors is not available if the GI 275 is interfaced to a GFC 500 Autopilot.

  • Page 39: Vfr Gps Receiver Operation

    The GPS Solution will display one of the following conditions: • Autolocate—Receiver is looking for any satellite whose almanac has been collected, which can take up to 5 minutes. • Searching the Sky—Receiver is looking for satellites. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 40 The progress of satellite acquisition is shown as indicated by signal bar appearance: • No bar—Receiver is looking for a satellite • Green bar—Receiver has found the indicated satellite Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 41 System Overview VFR GPS Satellite Signals Current Position The lower portion of the 'VFR GPS' Screen displays current latitude, longitude, time, GPS altitude, ground speed, and track. VFR GPS Current Location 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 42: Accessing System Functionality

    5) If a duplicate profile name exists, an "Importing this profile will overwrite profile (profile name) Confirm import?" message appears. Select the OK Button. 6) An "Import Successful!" message appears. Select the OK Button. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 43 3) Confirm deletion by selecting the OK Button. Date/Time The MFI will automatically set system time from GPS or connected compatible Garmin devices. By default, system time is displayed in UTC (also called Zulu Time). If there is no GPS time source, it is possible to manually set the date and time.
  • Page 44 The MFI can display barometric pressure, altitude, distance, fuel, navigation angle, and temperature in a variety of units of measure. Opening the Units Menu: From any page, open the menu and select System > Units. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 45 2) Select the desired units of measure (inHg, hPa, or mb). NOTE: Altitude unit adjustments do not affect altimeter display units. Contact a Garmin dealer or installer for altimeter unit adjustment. Contact a Garmin Dealer or installer for unit adjustment.

  • Page 46: Display Backlighting

    1.7 DEVICE REGISTRATION Unregistered MFIs cannot install critical databases or updates. To register the MFI, create a Garmin account at flygarmin.com and add the MFI as a device on the account. Before registering the MFI, obtain the System ID of the MFI.

  • Page 47: Wireless Connectivity (Garmin Connext)

    1.8 WIRELESS CONNECTIVITY (GARMIN CONNEXT) The MFI has built-in Wi-Fi and Bluetooth capabilities. Connext allows for a wireless connection between the MFI and a Personal Electronic Device (PED) running the Garmin Pilot application and provides up-to-date information throughout the cockpit.
  • Page 48 System Overview Pair Device 3) In the preceding example, the MFI's Bluetooth name is 'GI 275-6901.' Connect to this device on your PED. 4) The MFI will display the following image to indicate a PED is attempting to establish a Bluetooth connection.

  • Page 49: Managing Paired Devices

    3) A list of devices is displayed on the next screen. Select your connected device. 4) In the following example, the PED's name is 'IPad Mini 4' and its status is 'online.' Use this information to confirm your PED is connected and online. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 50: Databases

    Databases are stored in the unit's internal memory. To view update cycles, or to purchase individual database packages, go to flygarmin.com. Databases may be updated from a USB drive, another Garmin LRU, or wirelessly through Garmin Pilot (Database Concierge).
  • Page 51 3) Sync Status across GI 275 is also displayed, pressing any of the Database Buttons will display which GI 275s are in sync with the current GI 275.

  • Page 52: Automatic Database Updates

    NOTE: The GI 275 can receive database updates from another compatible Garmin LRU, but will only provide database updates to a GI 275, GPS 175, GNC 355, or GNX 375. Database sync using a connected Garmin LRU (optional): 1) Load updated databases into the connected compatible Garmin LRU (e.g., a GTN or...

  • Page 53: Manually Updating Databases

    NOTE: It is recommended to use a USB thumbdrive no larger than 32 GB. The USB may not be detected for up to one minute after the GI 275 is powered On. If the USB is inserted after one minute, detection of the USB and it's databases may take up to 15 seconds.
  • Page 54 9) Wait for databases to update. A progress bar is shown for each selected update. 10) If there are other Garmin units in the system that need to receive the new databases, the status of the sync to those units will be displayed as well.
  • Page 55 1) Prepare a mobile device with the Garmin Pilot mobile application and updated databases. See the Garmin Pilot for iOS or Garmin Pilot for Android user manual for details. 2) From any page, open the menu and select the System Button. Then, select the Databases Button.
  • Page 56 7) Wait for databases to update. A progress bar is shown for each selected update. 8) If there are other Garmin units in the system that need to receive the new databases, the status of the sync to those units will be displayed as well.

  • Page 57: Section 2 Flight Instruments

    Angle of bank is indicated by the position of the pointer on the roll scale. Slip/skid is indicated by the location of the trapezoid under the roll scale pointer. Slip/Skid Roll Scale Indicator Pitch Scale Symbolic Aircraft Horizon Line Attitude Indicator 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 58: Airspeed Indicator

    5 knots. Speed indication starts at 20 knots. The indicated airspeed is displayed inside the black pointer. The pointer remains black until reaching the configured never-exceed speed (V ), at which point it turns red. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 59 Exceeding V results in the indicated airspeed becoming white with a red background. Red Background Yellow Numbers Airspeed Indicator - Approaching and Exceeding V 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 60: Altimeter

    The Selected Altitude (if enabled) is displayed above the Altimeter. A bug corresponding to this altitude is shown on the tape; if the Selected Altitude exceeds the range shown on the tape, the bug appears at the corresponding edge of the tape. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 61 Toggling the altimeter barometric pressure setting to/from STD BARO (29.92 in Hg / 1013 hPa): Touch the Barometric Pressure Datafield. Push the Small Knob. Touch and hold the Barometric Pressure Datafield. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 62: Altimeter (Gsl Backup)

    6 seconds at the current vertical speed. The trend vector is not shown if altitude remains constant or if data needed for calculation is not available due to a system failure. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 63: Heading Indicator

    From the 'ADI' Page, touch the Heading Datafield below the airspeed indicator. 2) Turn the Small Knob. Synchronizing the selected heading to the current heading: Touch and hold the Heading Datafield or HDG Button. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 64: Deviation Indicators

    When coupled to a VOR or localizer (LOC), the deviation bar has the same angular limits as a mechanical CDI. If the deviation bar exceeds the maximum deviation on the scale while coupled to GPS, the crosstrack error (XTK) is displayed. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 65 The 'HSI' Page Deviation Indicator contains a Course Pointer, To/From Indicator, and a sliding deviation bar and scale. The To/From flag is displayed when the active NAVAID is received. 'CDi' p 'CDI' Page deviation information is presented analogous to a traditional mechanical CDI. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 66 The magenta 'G' indicates a GPS source. If the approach type downgrades past the final approach fix (FAF), "NO GP" is annunciated. VNAV Indicator When a VNAV (vertical navigation) profile is defined by a compatible external navigator, Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 67 'CDI' Page deviation information is presented analogous to a traditional mechanical CDI. Selected Radial Lateral Deviation Bar Vertical Deviation Bar Deviation Indicator NAVAID CDI Button 'CDI' Page - ILS Approach Vertical Guidance 'HSI' and 'HSI Map' Page Course Pointer 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 68 From the 'CDI' Page, touch and hold the OBS Datafield or touch the OBS Datafield and push the Small Knob. From the 'HSI' or 'HSI Map' Page, touch and hold the CRS Datafield or touch the CRS Datafield and push the Small Knob. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 69 Guidance Source Auto-Switching and Prompting When interfaced with a compatible and appropriately configured Garmin GPS Navigator with a compatible Garmin NAV receiver, the MFI's displayed deviation source automatically changes based on certain conditions. If the aircraft has passed the MAP on an ILS/LOC approach, the guidance source switches to GPS.

  • Page 70: Obs Mode

    The flight path on the moving map retains the modified course line. OBS Mode on 'HSI' Page OBS Mode on 'CDI' Page OBS Course OBS Mode Annunciation OBS Course OBS Mode Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 71 Primary system. Enabling Sync Control from the 'MFD': 1) From the 'MFD' page, select Menu > System > Setup. Select MFD - Sync Control - Main Menu & System Menu 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 72 MFD - Sync Control - Setup Menu & SYNC Control Menu 3) From the Standby Sync menu, select BARO and/or CDI Source, as desired. Toggle 'On/Off' MFD - Sync Control - Standby SYNC Menu - BARO & CDI Source - Active Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 73 Standby ADI - Sync Control - Main Menu & System Menu 2) From the Setup menu, select Sync Control > Standby Sync. Select Standby ADI - Sync Control - Setup Menu & SYNC Control Menu 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 74 Flight Instruments 3) From the Standby Sync menu, select BARO and/or CDI Source, as desired. Toggle 'On/Off' Standby ADI - Sync Control - Standby SYNC Menu - BARO & CDI Source - Active Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 75: Hsi (Horizontal Situation Indicator) Page Features

    Navigation Source Estimated Time Enroute (ETE) to Waypoint Active Waypoint Vertical Guidance Distance to Waypoint External Navigator Phase of Flight Selected Heading Compass Rose Message on External Navigator To/From Indicator 'HSI' Page Specifics 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 76 ƒ Localizer is tuned. ƒ GPS flight plan is loaded. The GI 275 provides a distance to the tuned localizer station. It does not provide a distance to the DME sation. NOTE: The distance to the tuned localizer station has been removed for later software versions following 2.21.

  • Page 77: Annunciations And Alerting Functions

    WARNING: Do not rely on the displayed minimum safe altitude (MSAs) as the sole source of obstacle and terrain avoidance information. Always refer to current aeronautical charts for appropriate minimum clearance altitudes. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 78: Abnormal Operations

    VFR-only GPS, when configured. When using the VFR GPS, a "VFR GPS is being used" System Message is generated. Should all GPS sources, including the internal VFR GPS fail, "No GPS POS" is annunciated. See the Navigation Section for details. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 79: Comparator Annunciations

    If one or more of the sensed values are unavailable, the annunciation indicates no comparison is possible. Annunciations Annunciations Comparator Annunciations 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 80: Loss Of Primary Flight Information

    Comparator Annunciations LOSS OF PRIMARY FLIGHT INFORMATION If the primary GI 275 ADI fails (loss of some or all primary flight information, display is blank, frozen, or unresponsive). 1) Use standby flight instruments for attitude, airspeed, altitude, and heading reference.

  • Page 81: Reversionary Sensor Annunciations

    Displaying data from AHRS 1 and sensor values disagree. AHRS 1 Displaying data from AHRS 2 and sensor values disagree. AHRS 2 Displaying data from AHRS 3 and sensor values disagree. AHRS 3 Reversionary Sensor Annunciations 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 82: Unusual Attitudes

    • Vertical Deviation Indicator • Heading data • Selected Altitude • GPS navigation status • Standard rate turn indicators • Menus • Altimeter barometric setting Unusual Attitudes - SVT Disabled Unusual Attitudes - SVT Enabled Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 83: Smart Glide Activation

    SMART GLIDE ACTIVATION The GI 275 follows the GTN Xi commands upon Smart Glide activation when interfaced with a compatible GTN Xi. The GI 275 conducts the following upon Smart Glide activation: • Dashes within the Preselected Altitude Field. • Changes the Indicated Airspeed (IAS) bug to the best glide speed, as configured for the aircraft.
  • Page 84 Flight Instruments Blank Page Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 85: Section 3 Engine Indication System

    (according to the configuration) occurs, a pop-up alert will be issued so the condition can be quickly reviewed by the pilot. For more information on EIS alerts and annunciations, see the EIS Alerts portion at the end of this section. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 86: Start-Up Screen

    Touch to Complete Start-Up EIS Start-Up Screen NOTE: The EIS Start-up Screen will not be displayed if the GI 275's system believes the aircraft is airbone and/or during the previous power cycle, the system was shut down in an airborne logic state.
  • Page 87 The Carburetor Temperature (Carb T) gauge should be configured to display Blue for the temperature range (°C) most susceptible to the development of carburetor ice. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 88 This list is not all inclusive; gauge and indication display depend on configuration. Type Example Tachometer (RPM) Manifold Pressure Gauge Oil Pressure Oil Temperature Fuel Pressure Fuel Flow Fuel Quantity Cylinder Head Temperature (CHT) Exhaust Gas Temperature (EGT) Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 89 Primary Exhaust Gas Temperature (PEGT) Turbine Inlet Temperature (TIT) Inlet Air Temperature (IAT) Compressor Discharge Temperature (CDT) IAT CDT Temperature Differential Alternator AMPS Battery AMPS Bus Voltage Battery Voltage Carburetor Temperature Example Gauge and Indicator Types 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 90: Bar Graph Indications

    EGT Temp Line (°F) (°F) Cylinder Head Hottest Cylinder Temp Displayed Head Temp Below Each Highlighted in Cylinder Green Temp Difference For CHT & EGT CHT/EGT - Four Cylinders - Bar Graph Example Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 91: Percent Power Indications

    This section will cover the individual pages which may be available, depending on configuration. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 92: Main Page

    Shunt and Bus Digital Values may also be displayed on the 'Main' Page. The GI 275 EIS has a quick press button to move between different pages, rather than using the knob. While on the Main EIS Page, pressing the CHT/EGT graph will navigate the user to the CHT/EGT page.
  • Page 93 Blue range, the chance of carburetor icing is higher, and applying carburetor heat is recommended to avoid and/or prevent degredation of aircraft performance related to carburetor icing. Carburetor Temperature Gauge 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 94 1) From the 'Main' Page, open the page menu and select Options. 2) Select the desired Advisory Type Button. 3) Select the Value Button and use the Small Knob to enter the advisory value, then select the Enter Button to confirm the entry. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 95: Aux Page

    • Fuel Efficiency • Fuel Used • GPS Altitude • Ground Speed • HOBBS Time • Outside Air Temp • Percent Power • Range • Range at Destination • TACH Time • AUX Fuel 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 96 AUX page button options. This value represents the Total Air Temperature (TAT) that is sourced through the engine adapter. Pilot-defined Data Pilot-defined Data Non-alerting Gauges AUX Page - OAT (Optional) Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 97: Cht/Egt Page

    The mode can be selected by rotating the smaller knob, or via the page menu options. When the mode is changed, a banner momentarily displays the new mode. Monitor Mode Banner Page Mode Indication CHT/EGT - Page Mode - Monitor Mode Banner 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 98 Line (°F) Cylinder Head Hottest Temperatures Cylinder Head Displayed Below Temperature Each Cylinder Highlighted in Green Page Mode Temperature Indication Difference For CHT & EGT CHT/EGT - Six Cylinders - Turbine Inlet Temp Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 99 CHT/EGT - Shock Cooling - Single Arrow A double barbed dark blue arrow represents shock cooling at a rate of 60°F / minute. Dual Shock Cooling Arrow CHT/EGT - Shock Cooling - Double Arrow 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 100 • First Peak: The first peak was detected. • Last Peak: The last peak was detected. • Peak D: The difference between the cylinder's current temperature and the peak temperature for the first or last cylinder to peak. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 101 4 - First Peak Temp Difference Last Peak Temp Last EGT Difference to Peak Last Peak Detected 5 - Last Peak Detected 6 - Last Peak Temp Difference CHT/EGT - Lean Assist Indications 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 102 First Peak Temp & Line Last Peak Fuel Last Peak Fuel Flow Difference Flow Indicator Status Area - Page Mode Temp Difference Indication & of Last Peak Knob Label CHT/EGT - Lean Assist Mode Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 103 The Lean of Peak (LOP) alert will occur when the last engine cylinder to peak’ s Exhaust Gas Temperature has changed from its peak temperature by the specified temperature and the Fuel Flow is below its peak fuel flow (lean of peak). 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 104 CHT/EGT - Rich of Peak & Lean of Peak Alert Options Touch to View Previous Screen Touch to Adjust Alert 1 Alert 1 Enabled Touch to Adjust Type of Alert CHT/EGT - Rich of Peak Alert Options Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 105 Alert Mode Touch to Adjust Alert 2 CHT/EGT - Peak Alert Selection Touch to View Previous Screen Touch to Adjust Peak Alert 1 Alert 1 Enabled CHT/EGT - Peak Alert 1 Settings 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 106 Temperatures, and any TIT or Primary EGT temperatures relative to a normalized value. The bars of the graph and the digital values display the temperature difference from the normalized value Normalized values can be activated by selecting the page NRM Mode. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 107 On the Normalization page, yellow and redline markings are not shown but the gauge will change color to alert the user if the threshold is exceeded. Warning Alert Threshold Exceedance CHT/EGT - Normalization Mode - Threshold Exceedance 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 108: Flight Summary Page

    • RPM and Temp Data • Fuel and Lean Data (only available when a fuel flow sensor is properly istalled and configured) The sub-pages can be selected by rotating the smaller knob. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 109 Total Aircraft Timer Values Flight Timer Configured to Display Current Flight's Info Sub-Page Indication Flight Summary - Aircraft Timers Maximum Values for Current Flight Sub-Page Indication Flight Summary - RPM & Temp Data 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 110 2) Select the Reset Summary button to reset the Flight Summary data, which includes Current Flight Timers, Max RPM and Temp Data, and Fuel and Lean Data. Touch to Reset Flight Summary Reset Flight Summary Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 111: Fuel Page

    'AUX' and a 'L' for the Left Auxiliary Fuel Tank, or a 'R' for the Right Auxiliary Fuel Tank (gals). AUX Fuel Displayed Touch to Adjust AUX Fuel Quantity AUX Fuel Options & Main Display 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 112 Select the Recalibrate Button. 5) Touch the Confirm Button to confirm and apply this adjustment to future fuel flow calculations. To cancel, select the Back Button and return to the fuel flow calibration menu. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 113 Swipe Left/Right on Scroll Bar to View More Info Actual Fuel Used Calibration Adjustment Recalibrate to Apply for Future Fuel Flow Adjustment to Future Calculations Fuel Flow Calculations Fuel Flow Calibration Recalibrating Fuel Flow Calculations 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 114: Abnormal Operations

    However, the annunciation (and cautionary/ warning indications) continues to display until normal operating conditions are restored. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 115 1. Unacknowledged Warning (Flashing) 2. Acknowledged Warning (Solid) 3. Unacknowledged Caution (Flashing) 4. Acknowledged Caution (Solid) EIS Alert Hierarchy of Annunciations Battery Voltage Annunciation Warning Alert EIS Alerts - Warning - Battery Voltage 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 116 Engine Indication System Caution Alert Oil Temp Annunciation EIS Alerts - Caution - Oil Temperature Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 117: Section 4 Navigation

    To change the map range, turn the Small Knob counter-clockwise or touch and pinch fingers together to zoom out and increase the range. Turn the Small Knob clockwise or touch and spread fingers apart to zoom in and decrease the range. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 118 1) From the 'HSI Map' Page, open the menu and select HSI Map Options > Map Options. From the 'Map' Page, open the menu and select Map Options > Map Options. 2) Select the Range Ring Button to enable/disable this setting. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 119: Map Symbols

    - US Highway (National Highway) - State Highway (Local Highway) - Local Road (Local Road) Railroad Large City (> 200,000) Medium City (> 50,000) Small City (> 5,000) State/Province River/Lake Latitude/Longitude (LAT/LON) 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 120 (CL B/TMA/AWY) Class C Airspace/Control Area (CL C/CTA) Class D Airspace/ Class A Airspace (CL A/D) Restricted and Prohibited Areas (Restricted) Military Operations Areas (MOA (Military)) - ADIZ - Alert - Danger/Warning Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 121 Small Airport (Longest Runway < 5000 ft without a control tower) Private (Restricted) Airport Heliport VOR Compass Rose On/Off Non-directional Beacon (NDB) Intersections Visual Reporting Point (VRP) SafeTaxi (see Additional Feature Section) Runway Extensions 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 122: Map Detail

    Decreasing the Map Detail Level decreases how many map items are displayed. Detail Level Item (Most) (Least) Small Cities Medium Cities Large Cities Freeways Highways Roads Railroads Basemap Labels Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 123 From the 'Map' Page, open the menu and select Map Options > Map Detail. 2) Select and slide the map detail slider to adjust up or down to change the map detail setting. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 124: Map Options - Primary Hsi

    1) From the 'HSI Map' Page, open the menu and select Options > Map Options. 2) Select the Airspaces Button. Select the button again, as necessary, to cycle through each option and choose the desired setting. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 125 NOTE: Adjusting/changing AutoZoom is only present on the Map page, when a Map page is configured. Enabling/disabling AutoZoom: 1) From the 'Map' Page, open the menu and select Options > Map Options > Map Options. 2) Select the AutoZoom Button to enable/disable the function. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 126 The 'HSI Map' Page can display topographical data by showing various shades of colors representing land elevation, similar to aviation sectional charts. Topographical data can be displayed or removed as described in the following procedures. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 127 For more information on Stormscope and datalink weather, see the Hazard Avoidance Section. torMSCope igHtning Stormscope lightning data may be overlaid on the navigation map. See the Hazard Avoidance section for more information on lightning data. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 128 1) From the 'HSI Map' Page, open the menu and select Options > Map Options > Weather Opts. 2) Select the NEXRAD Source Button to toggle between COMP (Composite) or Base radar. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 129: Map Options - Standby Adi / Mfd

    Restricted/Prohibited, MOA (Military), Air Defense Identification Zone (ADIZ), and other airspace provided by the navigation database. More information on panning the map and reviewing each airspace displayed is discussed later in this section. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 130 Lastly, the 'Map' Page also provides the Smart Airspaces function. Class D Airspace Airspace Altitude Label Class C Airspace Class B Airspace Warning Area Airspaces - 'Map' Page Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 131 1500 feet of the vertical boundaries of the airspace, the airspace boundary is shown normally. If the current aircraft altitude is not within 1500 feet of the vertical boundaries of the airspace, the airspace boundary is shown subdued. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 132 (VORs, NDBs, and Intersections) are also displayed. Low Altitude Airway High Altitude (Victor Airway) Airway (Jet Route) High Altitude Airway (Q-Route) Low Altitude Airway (T-Route) Airways - 'Map' Page Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 133 2) Select the AutoZoom Min Button. Then, select the button for the desired minimum range setting. 3) Select the AutoZoom Max Button. Then, select the button for the desired maximum range setting. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 134 These symbols may be displayed on the 'Map' Page at the pilot’ s discretion, by changing the display settings for each. The VOR Compass Rose may also be displayed. Range Buttons Touch to Enable VOR, NDB, Intersections Options Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 135 Changing the 'Map' Page orientation: 1) From the 'Map' Page, open the menu and select Map Options > Map Options > Orientation. 2) Select the North Up, Track Up, or Heading Up Button. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 136 2) Select the Wires Button to enable/disable the display of wires. 3) If necessary, select the Wires RNG Button to display a list of range display settings. Select the desired range setting for when wires should be displayed. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 137 Roads are always displayed on the 'HSI Map' Page depending on map range and detail level. Various kinds of roads may be enabled or disabled for display on the 'Map' Page, and the range setting for each kind may be adjusted. Enabled Range Buttons Road Options 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 138 2) Select the Runway EXT Button to enable/disable the display of runway extensions on the map. 3) If necessary, select the Runway EXT RNG Button to display a list of range settings. Select the desired range display setting. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 139 The track vector look-ahead time is selectable (30 sec, 60 sec (default), 2 min, 5 min, 10 min, 20 min) and determines the length of the track vector. Track Vector 'Map' Page - Track Vector 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 140 1) From the 'Map' Page, open the menu and select Map Options > Map Options. 2) Select the Selected ALT Range Arc Button to enable/disable. Selected ALT Range Arc Displayed on Touch to Enable/ Disable Selected ALT Range Arc Enabled Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 141 Enabling/disabling the display of topographical data on the 'Map' Page: 1) From the 'Map' Page, open the menu and select Map Options. 2) Select the Topo Button to enable/disable the display of topographical data from the map. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 142 1) From the 'HSI Map' Page, open the menu and select HSI Map Options > Map Options. From the 'Map' Page, open the menu and select Map Options. 2) Select the Terrain Button to enable/disable the display of relative terrain. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 143 Enabling/disabling the display of traffic for the 'Map' Page: 1) From the 'Map' Page, open the menu and select Map Options. 2) Select the Traffic Button to enable/disable the display of traffic. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 144 Weather options may or may not be available depending on the configured equipment and subscription status, if applicable. For more information on Stormscope and datalink weather, see the Hazard Avoidance Section. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 145 'HSI Map' Page. For more information about weather data and METARs, see the Hazard Avoidance Section. METAR Flags Displayed on Map 'Map' Page - METAR Flags 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 146 Selecting the NEXRAD Source (SiriusXM only) for the 'Map' Page: 1) From the 'Map' Page, open the menu and select Map Options > Weather Options. 2) Select the NEXRAD Source Button to toggle between Composite or Base radar. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 147 To restore individual map options and settings, select the Map Options Button, Aviation Options Button, Land Options Button, or the Weather Options Button. Then, select the Restore Defaults Button to restore settings for the selected type. Repeat as necessary. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 148: Map Panning

    The Waypoint Info Button is displayed when any waypoint (airport, NAVAID, user waypoint, etc.) on the map is touched. The Airspace Info Button is displayed when the Map Pointer has highlighted an airspace. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 149 Screen Information Identifier Facility Name Airport Category Distance to airport from aircraft present position Bearing to airport Airport Lat/Lon coordinates 'General Info' Screen Location (city, state/province, country) Elevation Time Zone Fuel services 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 150 Distance to VOR from aircraft present position Bearing to VOR Lat/Lon coordinates 'Info – VOR' Screen Location (city, state/province, country) Frequency Nearest airport to VOR (identifier, distance, bearing) VOR class Station Declination Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 151: Direct To And Flight Plan Navigation

    Once a Direct To is activated, a point-to-point course line is created from the present position to the selected Direct To destination. Course guidance is provided until the Direct To is replaced with a new Direct To or until cancelled. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 152 Select the Nearest Button. A list of airports is displayed in order of distance from aircraft present position. Select the desired Airport Selection Button. Select the Search Waypoint Button. Enter the waypoint identifier using the keypad and select the Enter Button. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 153 Sharing Direct To Navigation from the MFI to Garmin Pilot Direct To navigation initiated on the MFI may be sent to Garmin Pilot if the mobile device running Garmin Pilot is paired to the MFI. Pairing instructions are discussed in the System Overview Section.

  • Page 154: Flight Plan / Direct To Navigation From External Source

    Navigation NOTE: Flight plan and Direct To navigation initiated on a mobile device in Garmin Pilot cannot be displayed on the MFI. Nearest Airport Criteria Adjusting the Airport Criteria for minimum runway length and surface type controls which airports should be displayed on the Nearest List for Direct To navigation. A minimum runway length and/or surface type can be entered to prevent airports with small runways or runways that are not appropriately surfaced from being displayed.

  • Page 155: Navigation Data Displayed On Map

    Direct-to Leg - 'Map' Page Active Leg Other Flight Plan Waypoint Legs Shown in White Active Flight Plan Leg Shown in Magenta Flight plan - 'Map' Page - Flight Plan Info Received via External Source 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 156 All procedures must be loaded and activated using the external navigator. For information on changing the navigation source of the CDI, and for information on the display of vertical deviation, see the Flight Instruments Section. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 157: Mfd Data

    • DALT (Density Altitude) Distance & Bearing From Destination Airport Field 1 Field 2 Field 4 Field 3 Field 6 Field 5 'MFD Data' Page - Flight Plan Info Received via External Source 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 158: Flight Plan Sharing

    Garmin Pilot to an external navigator. For example, when a mobile device is paired to the MFI, the pilot may create a flight plan in Garmin Pilot and Connext will share the flight plan to another configured, compatible navigator onboard.
  • Page 159 TAWS/terrain and SVT features are not available with the internal VFR GPS. Navigation Using VFR GPS VFR GPS System Message System Message Description Reversion to VFR GPS - System Message Complete Loss of GPS 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 160 TAWS/terrain and SVT features will be lost, and the CDI will be removed. Complete Loss of GPS - 'No GPS POS' Annunciation - 'HSI Map' Page Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 161: Section 5 Hazard Avoidance

    Datalink weather services, including SiriusXM Weather and Flight Information Services- Broadcast (FIS-B) may be transmitted from a ground station or satellite and received for display on the MFI. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 162 Weather products provided by the subscription should be listed in green indicating they are available for use. Items listed in gray indicate data is unavailable. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 163 FIS-B is a component of the Automatic Dependent Surveillance Broadcast (ADS-B) system, which offers both weather and traffic data; refer to the ADS-B Traffic discussion later in this section for a more detailed discussion of the ADS-B system and its capabilities. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 164: Datalink Weather Products

    - Urgent - Routine - Route Winds Aloft - 5 kts - 10 kts - 50 kts Temporary Flight Restriction (TFR) - SiriusXM - FIS-B - FIS-B Localized Radar Precipitation (US) (NEXRAD) (Regional) Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 165 *Echo Top *Cell Movement *Freezing Levels Icing Potential (SLD and CIP) - SiriusXM - FIS-B - Trace - FIS-B - Light - FIS-B - Moderate - FIS-B - Heavy - FIS-B - SLD 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 166 They can also contain information on precipitation amounts, lightning, and other critical data. If METAR data is available for an airport, a color- coded flag is shown next to the airport. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 167 Low IFR: Ceiling below 500 ft. AGL and/or visibility less than one mile. Unknown Selected METAR Flag Touch to Display Range METAR Text Touch to Display Time Stamp Info Selected METAR - 'SXM WX' Page 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 168 Graphical AIRMETs (G-AIRMETs) display more weather phenomena than textural AIRMETs, while eliminating the need to interpret raw text. Tapping a G-AIRMET displays textual details. Updates occur 4 times daily. Touch to Select Touch to Scroll G-AIRMETs Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 169 A SIGMET is widespread and must affect or be forecast to affect an area of at least 3,000 square miles. SIGMETs are displayed as a yellow-dashed line. SIGMET 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 170 PIREPs are issued as either Routine (UA) (blue) or Urgent (UUA) (yellow). Selected PIREP Touch to Display Range PIREP Text Touch to Display Time Stamp Info Selected PIREP - 'SXM WX' Page Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 171 A short wind flag is 5 knots, a long wind flag is 10 knots, and a triangle flag is 50 knots. Wind Barb Range Displayed Weather Altitude Setting Winds Aloft -'SXM WX' Page Wind Barb Symbols 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 172 NEXRAD images can be significant and may not reflect the current radar synopsis. Composite NEXRAD data is composed of the maximum reflectivity from the individual radar sweeps. The display of the information is color-coded to indicate the weather severity level. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 173 (decibels of Z). “Reflectivity” (designated by the letter Z) is the amount of transmitted power returned to the radar receiver. The dBZ values increase as returned signal strength increases. Precipitation intensity is displayed using colors corresponding to the dBZ values. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 174 ƒ Regional – Displays high resolution weather image of current region ƒ CONUS – Displays low resolution weather image of the continental US ƒ Combined – Display of both Regional and CONUS imagery Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 175 The exact location of the lightning strike is not displayed. Range Lightning Data Touch to Display Time Stamp Info Lightning-'SXM WX' Page Touch to Scroll FIS-B Lightning Legend 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 176 Cells are represented by orange squares, with direction of movement indicated with short, orange arrows. Critical information about the storm cell (tops and intensity) can be viewed by touching the storm cell. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 177 New data appears when it becomes available. Freezing Level Altitude Color Coded Contour Line for Each Freezing Level Freezing Levels - 'SXM WX' Page 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 178 The County Warnings weather product provides specific public awareness and protection weather warnings from the National Weather Service (NWS). This can include information on tornadoes, severe thunderstorms, and flood conditions. County Warnings Symbols Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 179 Surface Analysis and City Forecast (SiriusXM) Surface Analysis and City Forecast information is available for current and forecast weather conditions. Forecasts are available for intervals of 12, 24, 36, and 48 hours. Surface Analysis Symbols 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 180 Turbulence is classified as light, moderate, severe, or extreme, at altitudes between 21,000 ft and 45,000 ft. Turbulence information is intended to supplement AIRMETs, SIGMETs, and PIREPs. Turbulence Legend Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 181: Weather Product Age

    Pilot Weather Report (PIREP) 90 minutes Winds Aloft 90 minutes Temporary Flight Restriction (TFR) 60 minutes Radar Precipitation (NEXRAD) 30 minutes Lightning 30 minutes Cloud Top 60 minutes *Echo Top 30 minutes 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 182 The color of each weather product listed on the 'Time Stamps' Screen will change depending on the status of each weather product, as shown in the figure below. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 183: Display Of Weather Products

    If more information is available, such as a textual report for the weather product, that information can be displayed by touching the weather product on the weather page, and then selecting the Info Button. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 184 3) Select the Info Button. The 'WX Data' Screen is displayed showing the information available for the selected weather product. AIRMET Product Info - 'WX Data' Screen Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 185 Select the City Forecast Button to display the 'Forecast' Screen. A list of available city forecasts is displayed. 3) Select the desired Forecast Button, or select the Off Button to disable the display of the forecast. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 186: Stormscope Lightning Detection System

    To change the range, select the Range Button, and then turn the Small Knob clockwise to zoom in and decrease the range, or counterclockwise to zoom out and increase the range. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 187 This is to ensure the strike and/or cell positions are depicted accurately in relation to the nose of the aircraft. Manually clearing Stormscope cell or strike information: From the 'Lightning' Page, select the Clear Strikes Button. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 188: Terrain

    MSL altitude. It is a widely-used MSL altitude source. Therefore, GSL altitude provides a highly accurate and reliable MSL altitude source to calculate terrain and obstacle alerts. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 189 Terrain between 250 feet and 500 feet below is depicted as green. Terrain more than 500 feet below is depicted as black. For additional safety, wire obstacle data is provided by Garmin’ s WireAware database. The ™...
  • Page 190 White obstacle is White obstacle is more than 1,000 ft more than 250 and 2,000 ft below ft below current current altitude. altitude. Relative Obstacle Symbols and Colors Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 191 Potential impacts areas will be displayed for terrain and obstacles as shown in the following table (not available with Terrain Proximity or other manufacturer external TAWS). Potential Impact Area Alert Type Example Annunciation Examples Warning Caution Terrain Potential Impact Area with Annunciations 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 192: Displaying Terrain Data

    Range Button. Range may be changed by zooming in and out using the Small Knob. Current GSL Altitude Orientation 360 View Relative Terrain Obstacles Range Terrain Legend Obstacle Legend Terrain Function 'Terrain' Page - Fixed Wing Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 193 'Map' Page. For more information on terrain overlay options on other maps, see the Map Options discussion in the Navigation Section. See the Map Panning discussion of the Navigation Section for instructions on panning the map. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 194: Terrain Alerts

    Alerts are issued when flight conditions meet parameters that are set by the configured terrain function. Terrain alerts typically employ a CAUTION or a WARNING alert severity level, or both. When an alert is issued, visual annunciations are displayed. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 195 This annunciation will flash for five seconds before being displayed steady until the threat is cleared. Both caution and warning annunciations may be displayed. Terrain Warning Terrain Caution Primary ADI and Primary HSI Terrain Alert Examples 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 196 'Terrain' Page. An annunciation is also displayed on the bottom of the 'Terrain' Page. The threat responsible for generating the alert is colored according to its alert level and may be encircled (the Terrain Proximity function does not encircle the threat for display). Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 197 Standby/HSI display configurations, the Terrain alert will appear only on the Map along with the "TER" annunciation in the top right corner in the corresponding threat color (Red or Amber) depending on threat severity. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 198 Aural Alert All Pages 'Terrain' Page "(Terrain/Obstacle/Wire) Ahead, Pull Up" Terrain/Obstacle/ PULL UP Wire Warning (FLTA) “(Terrain/Obstacle/Wire), (Terrain/ Obstacle/Wire) Pull Up” TERRAIN Reduced Required Terrain/Obstacle/ "Warning; (Terrain/Obstacle/Wire), OBSTACLE Wire Clearance (Terrain/Obstacle/Wire)" Warning WIRE Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 199: Terrain Inhibit

    1) From the 'Terrain' Page, open the page menu and select Terrain Options. 2) Select the Reduced Protection Button to inhibit/enable terrain alerts. The annunciator bar is green when terrain alerts are inhibited. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 200: Terrain Status

    * “Terrain System Available” will be heard when sufficient GPS signal is received, or Terrain database coverage area re-entered. ** Aural alert provided by the external TAWS-B System Terrain System Status Annunciations Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 201: Synthetic Vision Terrain

    Traffic Advisory System (TAS) Traffic Alert and Collision Avoidance System (TCAS) - Traffic information, interrogated from transponder-equipped aircraft, is sent to TCAS the compatible equipment system - Higher range allowed with TCAS Traffic Source Descriptions 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 202: Display Of Traffic Information

    - Traffic Information Banner - Altitude Filter setting - ADS-B Status (If configured) - Traffic Source mode - Traffic motion information TCAS - Orientation - Range setting - Target Selection Button 'Traffic' Page Information Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 203 1) Primary HSI Configuration: From the 'HSI Map' Page, open the menu and select Traffic Opts > Altitude Filter. Standby ADI or MFD Configurations: From the 'Traffic' Page, open the menu and select Traffic Options > Altitude Filter. 2) Select the desired Altitude Setting Button. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 204 For more information on map overlay options, see the Map Options portion of the Navigation Section. System Status Traffic Icon Operating No Traffic Data Available Traffic Status Icon on Map Displays Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 205 'TFC' annunciation will be displayed on every page. To acknowledge a traffic pop-up alert: » Touch the Close Button (returns to the currently viewed page), or » Touch the Go to Traffic Button (accesses the 'Traffic' Page). 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 206 Traffic is removed because it is too old for coasting (12 to 60 seconds since last message). Traffic may exist within the selected display range, TRFC RMVD but it is not displayed. Traffic data has failed. TRFC FAIL Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 207: Traffic Data By Source

    UNAVAIL Traffic function is in Standby Mode STBY STANDBY * Contact a service center or Garmin dealer for corrective action. Traffic Failure Annunciations TRAFFIC DATA BY SOURCE Traffic Information Service (TIS) NOTE: TIS-A is available only when the aircraft is within the service volume of a TIS- capable terminal radar site.
  • Page 208 Altitude trend is displayed as an up/down arrow (for speeds greater than 500 fpm in either direction) to the right of the target symbol. Traffic symbols for aircraft without altitude reporting capability appear without altitude separation or climb/ descent information. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 209 The mode can be changed manually by using the page menu. Manually switching between TIS modes: 1) From the 'Traffic' Page, open the page menu and select Traffic Options. 2) Select the Traffic Status Button to toggle between 'Standby' or 'Operate' modes. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 210 (Flight ID, Call Sign, Tail Number, ICAO registration number, etc.), ground track, ground speed, pressure altitude, and emergency status. 1090 ES RADAR Composite 1090 ES 18,000 FT 10,000 FT Mode A/C 1090 ES RADAR ADS-B Ground Station ADS-B System Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 211 Above or below the traffic symbol is the traffic identifier, and altitude. A small up or down arrow next to the traffic symbol indicates that traffic is climbing or descending at a rate of at least 500 feet per minute. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 212 Surface (SURF) application is active, or own aircraft is on the ground. Non-aircraft ground traffic. Ground traffic is only displayed when the Surface (SURF) application is active, or own aircraft is on the ground. ADS-B Traffic Symbology Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 213 TA traffic, if known. A TA will be displayed for at least eight seconds, even if the condition(s) that initially triggered the TA are no longer a factor. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 214 The following lists the various kinds of data which can be displayed on the 'Traffic' Page: ƒ Registration / call sign ƒ Vehicle type ƒ Closure Rate ƒ Track ƒ Ground Speed Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 215 Aircraft without altitude reporting capability are shown without altitude separation data or climb descent indication. Pilots should remain vigilant for traffic at all times. NOTE: TIS is disabled when TAS or TCAS I is installed. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 216 ‘-’ indicates traffic is below own aircraft. The system displays the altitude vertical trend as an up/down arrow (for speeds vertical greater than 500 fpm in either direction) to the right of the intruder symbol. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 217 800 feet. Intruder range is within 0.55 nm and vertical separation is within 800 feet. Intruder range is less than 20 seconds. TA Sensitivity Level and TA Alerting Criteria 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 218 1) From the 'Traffic' Page, open the page menu and select Traffic Options. 2) Select the Test Button. A system test is initiated and 'TEST' is displayed next to the Traffic Source on the 'Traffic' Page. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 219: Section 6 Autopilot

    Flight Director / AFCS Controller, if configured. The GI 275 Multi-Function Instrument (MFI) receives and analyzes inputs from an external Flight Director, which in turn provides pitch, roll, and yaw gyro outputs to an Autopilot. The Autopilot operates the flight control servos which provides automatic flight control.

  • Page 220: Flight Control

    The Command Bars move vertically to indicate pitch commands and bank left or right to indicate roll commands. Command Bars Aircraft Symbol Single-Cue Command Bars When the Autopilot is engaged, the magenta Command Bars and the yellow Aircraft Symbol move together in unison. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 221 Aircraft Symbol changes to indicate aircraft attitude while the magenta Command Bars do not change (indicating no change to Flight Director cueing). Touch to View Touch to Select Dual Cue Selection Touch to Select Dual Cue Selection Cont'd 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 222: Engaging The Autopilot

    MFI and is indicated by the magenta Command Bars and the yellow Aircraft Symbol moving together in unison. Engagement is also observed by indications on your external Flight Director or external controller. Command Bars & Aircraft Symbol Linked Together Autopilot Engaged Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 223: Disengaging The Autopilot

    NOTE: In the event of an in-flight restart, the Autopilot may disengage. Discrete Configurations The MFI can be configured to have airspeed discrete inputs tied to Autopilot. Activation of a discrete may be configured to automatically disengage the Autopilot given your external hardware. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 224: Garmin Gfc 500 Autopilot (Optional)

    Autopilot 6.4 GARMIN GFC 500 AUTOPILOT (OPTIONAL) NOTE: The approved aircraft documentation always supersedes the information in this Pilot’s Guide. NOTE: Refer to the approved aircraft documentation for emergency procedures. NOTE: A GMC 507 controller is required for GFC 500 AFCS functionality.

  • Page 225: Gmc 507 Mode Controller

    Autopilot The minimum configuration for the GFC 500 system is a GI 275 configured as an Attitude Indicator and two GSA 28 servos (in the pitch and roll positions). This will provide Pitch, Roll, Track, and Air Data modes only.

  • Page 226: Afcs System Architecture

    The AFCS status box displays autopilot (AP) and flight director (FD) mode annunciations on the ADI Page. Autopilot (AP) status is displayed middle of the GI 275 Autopilot Status Box. Lateral modes are displayed on the left, and vertical modes are displayed on the right. Armed modes are displayed in white and active in green.

  • Page 227: Gmc 507 Controls

    Adjusts the vertical mode reference in Pitch Hold, Vertical Speed, NOSE UP/DN Wheel Indicated Airspeed, and Altitude Hold modes Selects/deselects Indicated Airspeed Mode IAS Key Selects the desired Altitude setting ALT SEL Knob 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 228: Engaging The Autopilot

    TRK Key Selects/deselects Heading Select Mode. (No function in installations HDG Key without a magnetometer) The following AFCS controls are located separately from the GI 275 and GMC 507 AFCS Control Unit: Control Action An AP DISC / TRIM INT Button is located on the pilot's control stick / yoke.

  • Page 229: Disengaging The Autopilot

    The flight director may be turned off and the Command Bars removed from the display by pressing the FD Key again. The FD Key is disabled when the autopilot is engaged. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 230 If the information required to compute a flight director mode becomes invalid or unavailable, the flight director automatically reverts to the default mode for that axis. A flashing yellow mode annunciation and annunciator light indicate loss of sensor or navigation data required to compute commands. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 231: Vertical Modes

    The table lists the vertical modes with their corresponding controls and annunciations. The mode reference is displayed next to the active mode annunciation for Altitude Hold, Vertical Speed, and Indicated Airspeed modes. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 232 *ALTS armed automatically when PIT, VS, IAS, TO, or GA active, and under VNAV when Selected Altitude is to be captured instead of VNAV Target Altitude Vertical Modes Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 233 Selected Altitude Capture Mode (ALTS) Selected Altitude Capture Mode is automatically armed with activation of the following modes: ƒ Pitch Hold ƒ Vertical Speed ƒ Indicated Airspeed ƒ TO/GO Around ƒ Vertical Path Tracking 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 234 (to the nearest 10 feet) as the Altitude Reference. Altitude Hold Mode active is indicated by a green ‘ALT’ annunciation in the GI 275 Autopilot Status Box. Altitude Hold Mode is automatically armed when in Selected Altitude Capture Mode.
  • Page 235 (climb or descent) while maintaining the Airspeed Reference. Changing the Airspeed Reference The Airspeed Reference (shown in both the Autopilot Status Box and above the Airspeed Indicator) may be adjusted by using the NOSE UP/DN Wheel. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 236 1) When a flight plan is active, VNAV data is valid, and the VNAV Key is selected, VNAV mode is armed in preparation for descent path capture. ‘VNAV’ is annunciated in white in the GI 275 Autopilot Status Box. 2) When a descent leg is captured (i.e., vertical deviation becomes valid), VNAV Mode is activated and tracks the descent profile.
  • Page 237 Selecting Glideslope Mode: 1) EXTERNAL NAVIGATOR: Tune and activate the desired localizer frequency. 2) EXTERNAL NAVIGATOR: Ensure that LOC is the selected navigation source. 3) Press the APR Key on the GMC 507. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 238: Lateral Modes

    Roll Hold or rolls the wings level, depending on (default) the commanded bank angle Captures and tracks the Selected HDG Key Heading Heading Captures and tracks the Selected TRK Key Track Ground Track Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 239 Bank Angle Flight Director Response < 6° Rolls wings level 6 to 20° Maintains current aircraft roll attitude > 20° Limits bank to 20° Roll Hold Mode Responses 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 240 Changing the selected ground track: 1) Touch the Track Selection field. 2) Rotate the Small Knob to change selected Track. Rotate the HDG/TRK Knob. Activating track mode: Press the TRK Key on the GMC 507. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 241 However, Selected Heading changes of more than 330˚ at a time result in turn reversals. Navigation Mode (GPS, VOR, LOC) NOTE: The GI 275 must have a valid GPS position for VOR and LOC Modes. NOTE: Dual navigators are supported for the GFC 500.
  • Page 242 ‘VOR1’ or ‘VOR2’ on the HSI and the pointer should be green. 4) From the HSI Page, press the Selection Knob to display the Menu. 5) Set the inbound approach course. Select Course and use the Selection Knob to adjust the course. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 243 Vertical: Captures and tracks a WAAS LNAV+V Glidepath approach glidepath Lateral: Captures and track the localizer Localizer APR Key LOC, ILS Vertical: Captures and tracks the Glideslope glideslope Lateral + Vertical Approaches 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 244 ƒ Approach Mode is active and the Navigation source is manually switched ƒ The localizer signal is lost If the Glideslope signal is lost , GS Mode will revert to Pitch Hold Mode and hold the last pitch attitude. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 245 LVL mode for pitch and roll. While in level mode, all other modes are available by pressing the corresponding key. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 246: Gfc 500 Afcs Alerts

    Servo Clutch Fault One or more autopilot servos has a stuck clutch. The servo needs service. Servo Trim Input Fault The inputs to the trim system are invalid. The trim system needs service. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 247: Electronic Stability & Protection (Esp) (Gfc 500)

    "protected" flight envelope. This is perceived by the pilot as resistance to control movement in the undesired direction when the aircraft approaches a steep attitude, and/or the airspeed is below the minimum or above the maximum configured airspeed. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 248: Roll Engagement

    NOTE: If AGL height data is unavailable automatic engagement of Level mode is not supported. ESP is enabled or disabled from the ADI Page Menu. Enabling/Disabling ESP using the GI 275 Menu: 1) From the ADI Page, press and hold the Selection Knob, or swipe up on the screen, to display the Menu.

  • Page 249: Pitch Engagement

    The opposing force increases or decreases depending on the pitch angle and the direction of pitch travel. This force is intended to encourage movement in the pitch axis in the direction of the normal pitch attitude range for the aircraft. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 250: Airspeed Protection (Gfc 500 Only)

    An airspeed below the minimum configured airspeed or above maximum configured airspeed will result in ESP applying force to raise or lower the nose of the aircraft. When the high or low airspeed condition is remedied, ESP force is no longer applied. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 251: Section 7 Instantaneous Vertical Speed Indicator

    INDICATOR 7.1 OVERVIEW The GI 275 TA/RA vertical speed indicator combines the plan position of intruding aircraft and TCAS II traffic alerts and resolution advisories on the vertical speed instrument. The VSI display shows climb and descent rates on a white vertical speed scale. Climb and descend resolution advisories are shown as red and green bands outside of the scale, while the center of the display presents nearby traffic.

  • Page 252: Traffic Display

    NOTE: If the system is configured to use an external ATC/TCAS control panel that allows range selection, rotating the Small Knob on the GI 275 will not change the range. Instead, the ATC/TCAS control panel will control the range and range increments.
  • Page 253 The partial symbols are displayed at the appropriate bearing along the vertical speed scale. Other traffic and proximate traffic do not show partial symbols. Advisory Off Scale Resolution Advisory - Off Scale 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 254 The traffic system automatically suppresses the display of altitude-reporting aircraft on the ground under either of the following conditions: • On-ground aircraft is equipped with a Mode S transponder • On-ground aircraft is equipped with a Mode C transponder Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 255: Controls And Annunciations

    Instantaneous VSI 7.5 CONTROLS AND ANNUNCIATIONS The GI 275 displays annunciations for the various TCAS II operating modes and system failures. Altitude Type Altitude TCAS Mode Filter Controls and Annunciations 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 256: Altitude Filtering

    • Absolute (000): Displays all traffic with an altitude tag in thousands of feet; altitude displayed is pressure altitude being reported by the traffic Changing the Altitude Type: 1) Open the menu and select Options > Altitude Type. 2) Select the desired Altitude Type Button. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 257: Traffic Collision Avoidance System (Tcas) Mode

    The mode of the TCAS is controlled using an external control panel and displayed on the GI 275. Below is a list of the different mode annunciations available for filtering. For a mode of TA/RA, the altitude type annunciation is not displayed; for all other modes, the TCAS mode is displayed.
  • Page 258 RA Fail If the GI 275 or TCAS is in TA/RA mode and not able to deliver RA’ s , RA FAIL will be annunciated in yellow text across the top of the display. Traffic will continue to be displayed.
  • Page 259 If the TCAS has failed, TCAS FAIL will be annunciated in yellow text across the top of the display, indicating that TA’ s , RA’ s or traffic cannot be displayed. Vertical speed will continue to be displayed in this case. Failure Annunciator TCAS Failure Annunciations 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 260 Instantaneous VSI TD Fail If the TCAS is operational but the GI 275 cannot display traffic, TD Fail will be annunciated in yellow text across the center of the display, indicating that traffic cannot be displayed. RA’ s and vertical speed will continue to be displayed in this case.

  • Page 261: Section 8 Additional Features

    The Flight Data Logging feature automatically connects and stores critical flight and engine data to Garmin Pilot through Connext or to a USB device through Garmin's proprietary GSB 15. Approximately 1,000 flight hours can be recorded for each 1GB of available space.
  • Page 262 Spot (e.g., 'RUNWAY/TAXIWAY INTERSECTION,' 'COMPLEX INTERSECTION,' etc.). The Hot Spot Info Button also appears at the bottom of the MFI. 2) Touch the Hot Spot Info Button to reveal the 'Hot Spot Info' Page. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 263 In the example shown, the aircraft is on runway 19R approaching a designated Airport Hot Spot boundary at KSFO airport. Airport Features Airport Hot Spot Outline Aircraft Position Taxiway Identification SafeTaxi - 'Map' Page ® 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 264: Radar Altimeter (Optional)

    The Rad Alt is not forward looking and the AGL reading is not a good indication of future AGL altitudes. The MFI uses Garmin or compatible hardware to measure height AGL by timing how long it takes a radio beam to reflect off the ground and return to the aircraft.
  • Page 265 "Minimums, Minimums" sounds. Standard Metric Height (Feet) Resolution (Feet) Height (Meters) Resolution (Meters) < 200 < 60 200 -1500 60 - 460 1501 - 2500 461 - 760 Fixed Wing Radar Altimeter Resolution 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 266 100', an aural "one-hundred feet" or "thirty meters" will sound. This can be muted either by opening the menu, selecting radar altimeter options, then selecting RA Mute, or if a discrete switch is installed, then activating the switch. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 267 Menu - Radar Altimeter Options - RA Mute - Enabled Standard Metric Height (Feet) Resolution (Feet) Height (Meters) Resolution (Meters) < 50 < 16 50 - 200 16 - 60 201 - 2500 61 - 760 Rotorcraft Radar Altimeter Resolution 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 268: Radar Altimeter Test

    2) Select Test to initiate the Rad Alt Test. 3) Note the following indications during the test: a) The annunciation 'RA TEST' illuminates. b) The pointer rises to 50' and then falls back to 0'. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 269: Flight Data Logging

    NOTE: It is recommended to use a USB thumbdrive no larger than 32 GB. The USB may not be detected for up to one minute after the GI 275 is powered On. If the USB is inserted after one minute, detection of the USB and it's databases may take up to 15 seconds.

  • Page 270: Data Parameters

    All flight data logged on a specific date is stored in a file named in a format which includes the date, time, and nearest airport identifier. DATA PARAMETERS NOTE: Some aircraft installations may not provide all aircraft/engine data capable of being logged by the system. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 271 The .csv file may be viewed with Microsoft Excel or other spreadsheet applications. Nearest Airport (A blank space will Local Date Local 24hr Time be inserted if no YYMMDD HHMMSS airport is found) log_190806_154521_KNPA.csv Log File Format 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 272: Garmin Pilot Watch Connectivity (Optional)

    • Wind Speed • Density Altitude The Garmin Watch must be ‘paired’ with the MFI in order to use the various functions. Pairing is accomplished once for each device. After the initial pairing, with 'Auto-Reconnect' enabled, your Garmin Watch will automatically reconnect with the MFI. The pairing operation is completed from the Garmin Watch and the MFI.
  • Page 273 Additional Features 4) Once the MFI receives the pairing request from the Garmin, a pairing message will prompt the pilot. Press the Pair Button. After the connection is established, the Garmin Watch will show 'Status Connected.' Selected Device Select to Pair Pairing Request Received You may use the following procedure to view the connection on the MFI.

  • Page 274: Synthetic Vision Technology (Svt ) (Optional)

    Enabling/disabling automatic reconnection of a paired device: 1) Open the menu and select System > Wireless > Bluetooth Devices. 2) A list of devices is displayed on the next screen. Select your connected Garmin Pilot Watch. 3) Note in the above image, the device by default is configured to automatically reconnect (green annunciator is illuminated).
  • Page 275 Navigation must not be predicated solely upon the use of the synthetic terrain or obstacle data displayed by SVT. Pitch Scale Flight Path Marker (FPM) Artificial Sky Artificial Terrain Zero-Pitch Line Synthetic Vision Display 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 276: Svt Features

    Activating and deactivating Horizon Headings: 1) From the 'ADI' Page, open the menu and select ADI Options > Terrain SVT > Settings. 2) Select the Horizon Headings Button to toggle horizon heading depiction. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 277 Activating and deactivating Airport Signs: 1) From the 'ADI' Page, open the menu and select ADI Options > Terrain SVT. 2) Select the Settings Button. 3) Select the Airport Signs Button to toggle airport sign depiction. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 278 Runway Number Synthetic Vision - Airport Runway WARNING: Do not use the Garmin SVT runway depiction as the sole means for determining the proximity of the aircraft to the runway or for maintaining the proper approach path angle during landing.
  • Page 279 FLTA alert. Obstacles greater than 1,000 feet below the aircraft altitude are not shown. Obstacles are shown behind the airspeed and altitude displays. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 280 If the traffic altitude is unknown, the traffic will not be displayed on the SVT display. For more details refer to the traffic discussion in the Hazard Avoidance Section. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 281: Svt Troubleshooting

    – External GPS position data – TAWS/Terrain-FLTA not available in test mode, or if failed Active Squawk Code Touch to Load Previous Touch to Squawk Code IDENT Transponder Mode Active Transponder Selection Squawk Code Changed 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 282: Flight Id

    (GS), Air Temperature (OAT, ISA, TAT), and Wind (Direction and Velocity). NOTE: When configured as a "3-in-1" ADI, the GI 275 can display all the Misc. Field parameters on the page. When configured as a "4-in-1" ADI, only one parameter may be displayed on the page.
  • Page 283 Field. 2) Select the GS Button to toggle Ground Speed. Misc. Field Display ADI - Misc. Field - Ground Speed Display Misc. Field Display HSI - Misc. Field - Ground Speed Display 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 284 2) Select the preferred temperature option, ISA, OAT, or TAT. 3) Select the button to toggle Temperature. Select to Toggle Display Select to View Options ADI or HSI - Misc. Field - Temp Selection Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 285 1) From the 'ADI' or 'HSI' Page, open the menu and select ADI or HSI Options > Misc. Field. 2) Scroll down and select the preferred wind format. 3) Select the Wind button to toggle Wind. Select Wind Format ADI - Misc. Field - Wind Format 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 286: Transponder Control (Optional)

    Additional Features 8.8 TRANSPONDER CONTROL (OPTIONAL) The GI 275 can perform the control and display for a remotely mounted GTX 345 transponder functions. See your dealer for more information. TRANSPONDER OPERATION The GI 275 will operate as a control head for remotely connected optional GTX 345 transponders.

  • Page 287: Ident

    2) The transponder will be "On" and will transmit its squawk code and altitude when interrogated. An "ALT" annunciation will appear when the squawk code is transmitted. Touch to Activate Altitude Reporting Mode Selection 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 288: Vfr

    2) The XPDR page will be displayed. The Squawk Code value will be active for selection for use by the active transponder. Touch to Change Squawk Code Standby Transponder Active Transponder Selection ADI - Transponder Control Display - Change Squawk Code Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 289 Touch to Delete Squawk Code Number(s) Touch Keypad to Input Squawk Code Touch to Save Squawk Code Touch to Exit Touch to Save VFR Squawk Squawk Code Code (1200) & IDENT Squawk Code Entry 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 290 Additional Features Blank Page Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 291: Section 9 Appendices

    A caution alert is annunciated in yellow text and may be accompanied by an aural alert. Advisory: • This level of alert provides general information to the pilot. A message advisory alert is annunciated in white text. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 292 Appendix A Traffic Pop-up Alert TRAFFIC Annunciation Caution Alert Level Example Pop-Up Alert Red or Yellow 'X' Annunciation Indicates System Component Failure Example of Failure Annunciations Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 293: System Messages

    The following alphabetized table lists the various System Messages. CAUTION: Do not allow repairs to be made by anyone other than an authorized Garmin service center. Unauthorized repairs or modifications could void both the warranty and affect the airworthiness of the aircraft.
  • Page 294 Low bus voltage Pilot defined engine advisory limitation exceeded Low EST fuel remaining Pilot defined engine advisory limitation exceeded Estimated fuel on board or endurance is below the pilot defined Low Endurance limit Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 295 While on the ground, the configuration CRC of an AHRS or ADC LRU does not match the unit's stored configuration CRC While on the ground, Garmin Engine Sensor (e.g., GEA 110, GEA 71B, etc.) Configuration CRC doesn't match unit's saved CRC 190-02246-01 Rev.
  • Page 296 Traffic function inoperative TIS-A device reports traffic fail Communication with TIS-A device is lost Traffic system in standby TIS-A device reports standby mode for more than 60 seconds while in air Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 297: Glove Qualification

    » Leather gloves, and gloves designed specifically for use with capacitive touchscreen devices, are often found to be acceptable. » To improve touchscreen sensitivity while wearing gloves, use the pad of the finger instead of the tip during touch interactions. 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 298 4 Unintentional selection of adjacent key(s). 4 Excessive force on the touchscreen to select a key If all applicable tasks produce the same response, with and without a glove, the pilot may use the glove in flight. Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 299 System option is in view. Select by tapping System. Pass Fail Tap the center of the screen to remove the menu. Pass Fail Glove Qualification Procedures - PFD 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 300 System option is in view. Select by tapping System. Pass Fail Tap the center of the screen to remove the menu. Pass Fail Glove Qualification Procedures - HSI Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 301 Lean (Use knob to select EGT page) Tap the Lean button to turn the lean function on (center right). Pass Fail Tap the Lean button to turn the lean function off. Pass Fail Glove Qualification Procedures - EIS 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 302 Fail towards the center. Zoom in, with two fingers, place on the center of the screen and slide towards the Pass Fail opposite sides of the screen. Glove Qualification Procedures - MFD Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 303: Appendix B: Database Information

    NOTE: If the pilot/operator wants or needs to adjust the database, contact Garmin Product Support. NOTE: The FAA has asked Garmin to remind pilots who fly with Garmin database- dependent avionics of the following: • It is the pilot’s responsibility to remain familiar with all FAA regulatory and advisory guidance and information related to the use of databases in the National Airspace System.

  • Page 304: Available Databases

    The internal navigation database provides location and facility information for thousands of airports, VORs, NDBs, and more. Updates to the navigation database are available every 28 days online (flygarmin.com). There are two navigation database products available: the Garmin Navigation Database or the Jeppesen Navigation Database, which is sourced by Jeppesen.

  • Page 305: Database Troubleshooting Tips

    - Ensure the Database Concierge is enabled on the mobile device and on the MFI - Restart the MFI while pressing the Small Knob until the Garmin logo is fully illuminated to view all database updates on the database card, regardless of effectivity...
  • Page 306 Appendix B Blank Page Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 307: Appendix C: Aviation Terms And Acronyms

    Angle of Attack, ACARS Over System AVLC Airplane Flight Manual Aeronautical Operational AFMS Airplane Flight Manual Control Supplement Aircraft On Ground ATS Facilities Notification AOPA Aircraft Owners and Pilots AFRM Airframe Association 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 308 Along-Track Error, Automatic Test Equipment Bottom of Climb ATIS Automatic Terminal Bottom of Descent Information Service see also Bearing Along Track Brake Aeronautical Bottom Telecommunications Network Air Traffic Services Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 309 Class, Centerline Copilot, Control Panel Climb CPDLC Controller Pilot Datalink Communications Cloud Couple Ceiling Course to Radial Leg Clear Cockpit Reference Guide Close CRNT Current CLTR Clutter 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 310 (lower numbers equal better geometry, where D ALT Density Altitude higher numbers equal poorer D-ATIS Digital Automatic Terminal geometry). Info Service Direction Decision Altitude, Drift Angle Distance DB, DBASE Database DISENG Disengage Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 311 Error Correction Altitude (ESA) determine a safe altitude Error Correcting Code within ten miles left or right of the desired course on an Eledtronic Checklist active flight plan or direct-to. Excessive Closure Rate 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 312 FF, FFLOW see also Fuel Flow Enroute FIS-B Flight Information Services- Enhanced Vision System Broadcast Expand FISDL Flight Information Service EXPIRD Expired Data Link External Flight Into Terrain EXTD Extend Flight Level Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 313 Destination when the aircraft reaches the Garmin Audio Panel System destination waypoint, based Garmin Mode Controller upon current fuel flow. Greenwich Mean Time Forward Garmin Magnetometer Unit Ground to Air Ground Glideslope 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 314 A measure of the uncertainty of Merit in the aircraft’s horizontal Garmin Satellite Radio position. Garmin Sensor Unit Hover Garmin Touchscreen HOV-P Hover Prediction Controller High Pressure, Horsepower Garmin Traffic System Garmin Transponder Hectopascal Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 315 Identification/Morse Code Identifier Imminent Obstacle Impact IDENT, IDNT Identification Infrared IEEE Institute of Electrical & IrDA, IRDA Infrared Data Association Electronics Engineers IRST Infrared Surveillance and Initial Fix Tracking Instrument Flight Rules 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 316 MAHP Missed Approach Hold Point after the completion of one MAINT Maintain or more legs of a flight plan or direct-to, and a known Malfunction consumption rate. Manual Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 317 Military Grid Reference Weight System MTOW Maximum Takeoff Weight Measured Gas Temperature Millivolt(s) Megahertz MVFR Marginal Visual Flight Rules Microphone North Middle NATS North Atlantic Tracks System Minimum, Minute Navigation NAVAID Navigation Aid 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 318 PASS, PAX Passenger(s) OBSCR Obscuration Personal Computer Oceanic Clearance Premature Descent Alerting Original Equipment Pre-Departure Clearance Manufacturer Personal Electronic Device OFST Offset PERF Performance Out of Ground Effect Primary Flight Display Outer Marker Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 319 Pounds per Square Inch, REST Restricted, Restriction Power Situation Indicator Return Procedure Turn Reverse, Revision, Revise Parallel Track Radio Frequency, Constant Push-to-Talk Radius Turn to Fix Leg Power Rotorcraft Flight Manual 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 320 Router-Based Unrestricted Short Digital Interworking SIAP Standard Instrument Connectivity Solution Approach Procedures RVRSNRY Reversionary Standard Instrument RVSI Required Vertical Speed Departure Indicator Signal RVSM Reduced Vertical Separation SIG/AIR SIGMET/AIRMET Minimums SIGM SIGMET Receive Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 321 Total Air Temperature STAT Status TAWS Terrain Awareness and STATS Statistics Warning System STBY Standby Terminal Control Area Sensitivity Time Constant, TCAS Traffic Alert Collision Supplemental Type Certificate Avoidance System Standard Threshold Crossing Height 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 322 Take-Off, Go-Around Routine PIREP TOLD Takeoff and Landing Data Universal Access Transceiver TOPO Topographic Ultra-High Frequency TORA Takeoff Run Available UNABL Unable Total UNAVAIL Unavailable Traffic Pattern Altitude UNLIM Unlimited UPLK Uplink Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 323 VNAV, VNV Vertical Navigation VECT Vector Never-Exceed Speed VERT Vertical Volume Vertical Figure of A measure of the uncertainty VHF Omnidirectional Range Merit in the aircraft’s vertical VOR/D VOR/DME position. VOR/I VOR/ILS 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 324 Best Single-Engine Rate of Crosstrack Error Climb Speed Cross-Track, Crosstrack Error Watt(s), West Yaw Damper WAAS Wide Area Augmentation Reflectivity Factor System WARN Warning WATCH Weather Attenuated Color Highlight WDIR Wind Direction Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 325: Appendix D: Display Symbols

    Appendix D APPENDIX D: DISPLAY SYMBOLS VFR SYMBOLS Item Symbol Unknown Non-towered, Non-serviced Towered, Non-serviced Non-towered, Serviced Towered, Serviced Soft Surface, Non-serviced Soft Surface, Serviced Soft Surface, Private Paved, Private Heliport Airports 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...

  • Page 326: Ifr Symbols

    LOM (Compass Locator at Outer State Highway Marker) NDB (Non-Directional Radio National Highway Beacon) Small City VOR/DME Medium City ILS/DME or DME Only Large City Miscellaneous VORTAC TACAN Navaids Item Symbol Low-Altitude High-Altitude Airways Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 327: Airspace Symbols

    Class B, Class E, CTA Class A, Class C, TMA Class D Mode C Veil TRSA Danger, Alert, or Training Area Restricted, Prohibited, or Warning Area Radar Area ATZ, TIZ MATZ ADIZ Misc./Unknown Airspace 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 328 Appendix D Blank Page Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...

  • Page 329: Index

    Map Symbols 303 EAS 289 Navigation Database 282 EICAS 289 Negative Climb Rate (NCR) 173 EIS 289 NEXRAD 150, 151, Engine Indication System (EIS) Non-Threat Traffic 186, 190, Gauge and Indicator Types 67 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 330 Synthetic Vision Technology (SVT) 253 Display Features 254 Warning 269 Terrain and Obstacle Alerting 257 Waypoints Traffic 258 Information 129 Troubleshooting 259 Weather Product Age 159, 160, System Messages 271 Weather Products Enabling/Disabling 162 Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L...
  • Page 331 Index Legend 163 Winds Aloft 149, WireAware 167, Wireless 34 Yaw Damper 197 Zero Pitch Line 254 190-02246-01 Rev. L Garmin GI 275 Pilot's Guide...
  • Page 332 Liberty House, Hounsdown Business Park Southampton, Hampshire SO40 9LR U.K. Garmin Corporation No. 68, Zhangshu 2nd Road Xizhi District, New Taipei City, Taiwan Contact Garmin Product Support or view warranty information at flygarmin.com. 190-02246-01 Rev. L © 2019-2022 Garmin Ltd. or its subsidiaries...

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