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Garmin G5 Installation Manual

Electronic flight instrument
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Garmin G5
Electronic Flight Instrument
Part 23 AML STC Installation Manual
190-01112-10
July 2016
Revision 2

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Summary of Contents for Garmin G5

  • Page 1 Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 July 2016 Revision 2...
  • Page 2 Garmin. Garmin hereby grants permission to download a single copy of this manual and of any revision to this manual onto a hard drive or other electronic storage medium to be viewed...
  • Page 3 RECORD OF REVISIONS Revision Revision Date Description 07-14-2016 Initial Release 07-21-16 Revised to incorporate comments and changes driven by document reviews. Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2 Page B...
  • Page 4 NOTE Notes are used to expand and explain the preceding step and provide further understanding of the reason for the particular operation. Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2 Page i...
  • Page 5 Keep the battery away from children. Only replace the battery with the approved replacement from Garmin. Using another battery presents a risk of fire or explosion. To purchase a replacement battery, see you Garmin dealer or the Garmin website. Contact your local waste disposal department to dispose of the device and battery in accordance with applicable local laws and regulations.
  • Page 6 All information depicted in screen shots, including software file names, versions, and part numbers, is subject to change and may not be up to date. Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev.

  • Page 7: Table Of Contents

    5 SYSTEM CONFIGURATION AND CHECKOUT PROCEDURES ............42 5.1 Overview ............................42 5.2 Mounting, Wiring, and Power Checks .................... 42 5.3 Post-Installation Checkout Procedures ..................42 5.4 Documentation Checks ........................53 Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2 Page iv...
  • Page 8 Figure 3-5 Sample Completed Electrical Load Tabulation Form, Sheet 2 of 2 ......29 Figure 4-1 G5 Mounting Ring ......................31 Figure 4-2 MAXIMUM MISALIGNMENT OF THE G5 IN THE LATERAL AXIS ......31 Figure 4-3 MAXIMUM MISALIGNMENT OF THE G5 IN THE LONGITUDINAL AXIS ....32 Figure 4-4 MAXIMUM MISALIGNMENT OF THE G5 IN THE VERTICAL AXIS ......
  • Page 9 Table 4-2: Socket Contact Crimp Tooling ..................35 Table 4-3: G5 Connector Parts ...................... 36 Table 5-1: G5 Configuration Settings ..................... 45 Table 5-2: Post-Installation Calibration Procedure Summary ............47 Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2 Page vi...

  • Page 10: General Description

    Alternatively, for installations that do not install the G5 as a replacement primary attitude indicator, the G5 can be installed as a second attitude indicator in place of the existing rate-of-turn indicator. If the existing rate-of-turn indicator is interfaced with the autopilot, it cannot be replaced by a G5. Only one G5 per airframe can be installed in the locations specified in this STC.

  • Page 11: Reference Documents

    190-01112-13 23 AML STC 1.4 STC Permission A permission letter to use this STC data is available for download for each authorized G5 installation. The STC Installation Kit P/N K10-00280-00 contains instructions for downloading the STC permission letter from www.Garmin.com.

  • Page 12: System Overview

    3-1/8-inch instrument cutout. The G5 contains integrated attitude/air data sensors that provide display of attitude and secondary display of air data information. The G5 has battery backup and in the case of aircraft power loss will sustain G5 operation with up to 4 hours of emergency power.
  • Page 13 1.6.1.4 GPS The G5 requires GPS for attitude aiding. It contains an internal GPS receiver that can be connected to an external antenna or optionally can use external GPS input if available. As installed in this STC, the G5 receives the GPS via the following methods: •...

  • Page 14: Figure 1-2 G5 Standby Battery

    The RS-232 port used on the GTN 6XX/7XX needs to be configured to MAPMX Format 1. If an existing connection is made to the required GTN RS-232 port, the G5 connection can be spliced into the existing wiring at the GTN connector. Refer to Section 1.7.1.2.

  • Page 15: Figure 1-3 G5 Outline Drawing

    1.6.3 OUTLINE AND INSTALLATION DRAWINGS Figure 1-3 G5 Outline Drawing Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2 Page 12 of 53...

  • Page 16: Figure 1-4 G5 Installation Drawing

    Figure 1-4 G5 Installation Drawing Figure 1-5 G5 Panel Cutout Measurements (Not to Scale) Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2 Page 13 of 53...

  • Page 17: G5 Pinout

    POWER GROUND 1.7.1.1 Aircraft Power The G5 operates using power from one 14 / 28 VDC input. Pin 8 (AIRCRAFT POWER 2) is not used as a part of this STC. NOTE AIRCRAFT POWER 2 is for connecting to an alternate power source, such as on aircraft with two electrical buses.

  • Page 18: Technical Specifications

    Unit ID The G5 detects its assigned unit type at startup by checking the UNIT ID pin. Only one G5 may be installed by this STC. Ensure pin 3 is not connected to allow the G5 to properly detect its assigned unit type.

  • Page 19: Limitations

    (an existing attitude indicator in the primary location that is part of an autopilot but without flight director may be moved to the rate of turn indicator location and a G5 installed in the primary location) •...

  • Page 20: Installation Overview

    INSTALLATION OVERVIEW 3.1 Introduction The following section contains an overview of the steps required for the installation of the G5 Electronic Flight Instrument. This section includes requirements for selection of proper locations in the aircraft, as well as requirements for supporting structure, mechanical alignment and wiring. Any restrictions on nearby equipment and requirements are also specified.

  • Page 21: Test Equipment

    3.4.1 GPS Antenna A GPS signal is required. The G5 can use an external GPS antenna or GPS data from a GTN6XX/7XX or GNS4XXW/5XXW. Refer to Section 1.6.2 for the GTN and GNS interface. Do not enable the internal GPS antenna of the G5.

  • Page 22: Table 3-3 Supported Garmin Antennas

    3.4.1.1 GARMIN ANTENNAS Table 3-3 lists Garmin antennas supported by the G5. The GA35 and GA36 meet the requirements of TSO/ETSO-C144. Table 3-3 Supported Garmin Antennas Model Part Number GA35 013-00235-0X GA36 013-00244-0X GA56 011-00134-00 3.4.1.2 NON-GARMIN ANTENNAS Table 3-4 lists non-Garmin antennas supported by the G5. For non-Garmin antennas, follow the manufacturer’s installation instructions.

  • Page 23: Compass Safe Distance

    3.4.7 Cooling Requirements While no forced cooling air is required for the G5, it is highly recommended that the air behind the panel be kept moving (by ventilation or a fan). Units tightly packed in the avionics stack heat each other through radiation, convection, and sometimes by direct conduction.

  • Page 24: Electrical Load Analysis

    3.5 Electrical Load Analysis If the current draw of the G5 unit is less than the removed equipment, then the aircraft’s electrical load capacity can be shown to be adequate by analysis. If it is determined the modification results in an increase in electrical load, then it must be verified the electrical generation and reserve battery capacity remain adequate to support electrical loads essential to safe flight and landing of the aircraft.

  • Page 25: Table 3-6: Sample Net Electrical Load Change Calculation

    Standard Guide for Aircraft Electrical Load and Power Source Capacity Analysis. Alternatively, the loads under various operating conditions may be measured, as described in Section 3.5.2.3. Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2...
  • Page 26 Figure 3-1. This will eliminate errors due to the charging current drawn by the battery. CAUTION To avoid damage to equipment, ensure the ammeter is capable of handling the expected load. Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2...

  • Page 27: Figure 3-1 Ammeter Placement For Current Measurements

    Measurements must be taken with the landing lights ON and OFF (measurements (b1) and (b2) in Figure 3-3). 13. Engage the autopilot (if installed). Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2...
  • Page 28 Electrical loads in excess of 80% but not greater than 95% of electrical system capacity are permitted during the takeoff/landing phase of flight when landing light(s) are switched on. Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev.

  • Page 29: Figure 3-2 Blank Electrical Load Tabulation Form, Sheet 1 Of 2

    Figure 3-2 Blank Electrical Load Tabulation Form, Sheet 1 of 2 Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2 Page 26 of 53...

  • Page 30: Figure 3-3 Blank Electrical Load Tabulation Form, Sheet 2 Of 2

    Figure 3-3 Blank Electrical Load Tabulation Form, Sheet 2 of 2 Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2 Page 27 of 53...

  • Page 31: Figure 3-4 Sample Completed Electrical Load Tabulation Form, Sheet 1 Of 2

    Figure 3-4 Sample Completed Electrical Load Tabulation Form, Sheet 1 of 2 Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2 Page 28 of 53...

  • Page 32: Figure 3-5 Sample Completed Electrical Load Tabulation Form, Sheet 2 Of 2

    Figure 3-5 Sample Completed Electrical Load Tabulation Form, Sheet 2 of 2 Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2 Page 29 of 53...

  • Page 33: Installation Procedures

    Evenly torque the mounting screws to 10-12 in-lbs. • The G5 must be leveled to within 15.0° of the flight level cruise attitude. An aircraft leveling and offset calibration procedure must additionally be carried out prior to flight. •...

  • Page 34: Figure 4-1 G5 Mounting Ring

    Figure 4-1 G5 Mounting Ring Figure 4-2 MAXIMUM MISALIGNMENT OF THE G5 IN THE LATERAL AXIS Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2 Page 31 of 53...

  • Page 35: Figure 4-3 Maximum Misalignment Of The G5 In The Longitudinal Axis

    Figure 4-3 MAXIMUM MISALIGNMENT OF THE G5 IN THE LONGITUDINAL AXIS Figure 4-4 MAXIMUM MISALIGNMENT OF THE G5 IN THE VERTICAL AXIS Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2 Page 32 of 53...

  • Page 36: G5 Installation

    4.3 G5 Installation The G5 is installed by inserting the alignment pin located at the top of the unit into the mating hole in the mounting ring, pushing the unit flush with the instrument panel, and fastening the captive 3/32” hex socket head screw to the mounting ring as shown in Figure 4-5.

  • Page 37: Figure 4-7 G5 Captive Mounting Screw Replacement

    Use appropriate tubing and fittings to connect the pitot and static lines to the unit. Avoid sharp bends in the tubing and route hoses clear of aircraft control cables. The G5 must not be at the low point of the pneumatic plumbing lines to avoid moisture or debris collecting at or near the unit.

  • Page 38: Weight And Balance

    (MS26574-5) or identically rated circuit protection device approved by the aircraft type certificate. See Section 3.2.1 for required circuit breaker part numbers. The G5 must be connected to the battery bus to supply power . (Note: some aircraft manufacturers may label the battery bus as “essential bus” or “main bus”).

  • Page 39: Table 4-3: G5 Connector Parts

    Table 4-3 lists the parts required to complete the assembly of the G5 wiring harness connector. Some of the parts required for this installation are included in the connector kit, and some are to be provided by the installer.

  • Page 40: Figure 4-8 Wiring Harness Connector Assembly

    2. Garmin Part Number. Included in kit p/n 011-03892-00. Figure 4-8 Wiring Harness Connector Assembly NOTE: 78 pin D-sub connector shown, 9 pin D-sub connector similar. Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2...

  • Page 41: Figure 4-9 Shield Termination Methods

    9. Insert the signal wire socket contacts into the appropriate locations in the D-sub connector (5). 10. Attach the shield drain ring terminals to the connector backshell shield block using the supplied screws and washers (11)(12)(13). Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2...
  • Page 42 22 AWG (MS25036-149) can be used. If more wires exist for the connector than two per ring terminal, it is permissible to terminate three wires per ring terminal. 13. Install the connector backshell cover (9) using the supplied screws (10). Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2...

  • Page 43: G5 Interconnect Drawings

    Figure 4-10 G5 Interconnect Notes CAUTION Check wiring connections for errors before connecting the wiring harness to the LRUs. Incorrect wiring could cause component damage. Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2 Page 40 of 53...

  • Page 44: Figure 4-11 G5 With Rs-232 Interface

    4.6.1 G5 with RS-232 Interface Figure 4-11 G5 with RS-232 Interface 4.6.2 G5 with External GPS Antenna Figure 4-12 G5 with External GPS Antenna Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2 Page 41 of 53...

  • Page 45: System Configuration And Checkout Procedures

    Check the movement of the flight and engine controls to verify there is no interference. Prior to powering up the G5, the wire harnesses must be checked for proper connections to the aircraft systems and other avionics equipment. Point to point continuity must be checked on all wiring to expose any faults such as shorting to ground.
  • Page 46 All of the configuration and calibration procedures in this section are performed in configuration mode. To enter configuration mode, hold down the knob while powering on the G5. Configuration selections are made by rotating and pressing the knob on the face of the G5 as necessary to select the correct configurations.

  • Page 47: Software Loading Procedure

    Attitude – used to configure Indicator Type, Pitch Display preferences, and User Pitch offset. • Air Data – used to enable/ disable the G5 Air Data Sensors and configure the Vertical Speed rate. • Airspeed – allows for configuration of the reference speeds.

  • Page 48: Table 5-1: G5 Configuration Settings

    5.3.6.2 G5 configuration Configure the G5 as shown in Table 5-1. See Section 5.4.1 for information about recording the configuration settings to keep in the aircraft records for future reference. Table 5-1: G5 Configuration Settings Config Page Config Option Configuration Setting...
  • Page 49 Note 2: If the aircraft has no AFM set the values as determined by the existing placards, instrument bugs or instrument markings. Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10 Rev. 2...

  • Page 50: Table 5-2: Post-Installation Calibration Procedure Summary

    5.3.7 G5 POST-INSTALLATION CALIBRATION PROCEDURES After mechanical and electrical installation of the G5 has been completed, prior to operation, a set of post-installation calibration procedures must be carried out. Table 5-2 describes the required and optional calibration procedures. Table 5-2: Post-Installation Calibration Procedure Summary...
  • Page 51 Excessive flexing of the G5 mechanical mounting with respect to airframe b. Vibration or motion of the G5 caused by neighboring equipment and/or supports. c. Mounting of the G5 in a location that is subject to severe vibrations (e.g. close to an engine mount).
  • Page 52 CALIBRATION NOTE Procedure C is only required if Section 5.3.9 results for the G5 fall outside the tolerances of the Part 43 Appendix E tests. The Air Data configuration page has a selection for static pressure calibration. This procedure is used to perform an altimeter calibration.
  • Page 53 To avoid damaging the G5 pressure sensors, both the pitot and static ports must be connected to the air data test set. 5.3.9 Altimeter System Test For aircraft that are IFR certified, perform an altimeter system test of the G5 in accordance with 14 CFR Part 43 Appendix E. 5.3.10 GPS Receiver COM Interference Test This test must be conducted outside, as the use of a GPS repeater inside a hangar may result in a failed test.
  • Page 54 5.3.11 Electromagnetic Compatibility (EMC) Check An EMC check must be conducted once the G5 is installed and all interfaces to external equipment are verified to be correctly working. The EMC check makes sure the equipment is not producing unacceptable interference to the other avionics systems, and other avionics systems are not producing unacceptable interference to the G5.

  • Page 55: Figure 5-1 Example Emc Source/Victim Matrix

    Figure 5-1 Example EMC Source/Victim Matrix 5.3.12 Vacuum System Pressure Setting If a vacuum instrument was removed by the installation of the G5 Electronic Flight Instrument and there are other instruments using the vacuum system, the aircraft manufacturers procedure should be followed to set instrument vacuum system pressure.

  • Page 56: Documentation Checks

    Insert the completed Table 7-1 of the STC MM/ICA into the aircraft permanent records. 5.4.2 Weight and balance Addition of the G5 equipment must allow the empty weight center of gravity (CG) to fall within the aircraft’s acceptable range (refer to the aircraft’s POH or AFM). Perform a weight and balance computation and update the aircraft records.

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