Garmin GPS 400W Installation Manual
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Garmin GPS 400W Installation Manual

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400W SERIES

INSTALLATION MANUAL

TM
TM
GPS 400W, GNC
420W/420AW, and GNS
430W/430AW
GNC and GNS are trademarks of Garmin Ltd. or its subsidiaries and may not be
used without the express permission of Garmin.
Garmin International, Inc.
190-00356-02
December 2008
Rev. G

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Summary of Contents for Garmin GPS 400W

  • Page 1: Installation Manual

    400W SERIES INSTALLATION MANUAL GPS 400W, GNC 420W/420AW, and GNS 430W/430AW GNC and GNS are trademarks of Garmin Ltd. or its subsidiaries and may not be used without the express permission of Garmin. Garmin International, Inc. 190-00356-02 December 2008 Rev. G...
  • Page 2 400W Series Installation Manual 190-00356-02 Rev. G...
  • Page 3 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 and...
  • Page 4 Description of Change Number(s) Number Changed software version from 3.10 to 3.20 1-18 Updated contact phone number for Garmin (Europe) Ltd. 3-12 3.13.1 Corrected formatting of Table 3-7. Added note to indicate that additional output settings may be available 4-13 4.6.1.2...
  • Page 5 California to cause cancer, birth defects, or reproductive harm. This Notice is being provided in accordance with California's Proposition 65. If you have any questions or would like additional information, please refer to our web site at www.garmin.com/prop65 Perchlorate Material – special handling may apply, see www.dtsc.ca.gov/hazardouswaste/perchlorate/ WARNING This product contains a Lithium battery that must be recycled or disposed of properly.

  • Page 6: Table Of Contents

    TABLE OF CONTENTS PARAGRAPH PAGE GENERAL DESCRIPTION ......................1-1 Introduction...........................1-1 Scope.............................1-2 Equipment Description .........................1-2 Technical Specifications .......................1-3 1.4.1 Physical Characteristics......................1-3 1.4.2 General Specifications......................1-4 1.4.3 GPS Specifications.......................1-5 1.4.4 COM Transceiver Specifications (GNC 420W and GNS 430W Only) ** ......1-6 1.4.5 VOR Specifications (GNS 430W Only) ................1-7 1.4.6 LOC Specifications (GNS 430W Only)................1-7 1.4.7...
  • Page 7 2.4.1 GPS Antenna Location......................2-3 2.4.2 COM Antenna Location .......................2-4 2.4.3 VOR/LOC Antenna Location....................2-6 2.4.4 Glideslope Antenna Location....................2-6 2.4.5 Electrical Bonding........................2-6 2.4.6 Interference of GPS......................2-6 2.4.7 COM, VOR/LOC, and Glideslope Antenna Installation Instructions........2-6 Mounting Considerations......................2-7 2.5.1 Determination of Acceptable Field-of-View................2-7 Cabling and Wiring Considerations....................2-11 Air Circulation and Cooling......................2-11 Compass Safe Distance.......................2-11 Installation Approval Considerations ..................2-12...
  • Page 8 3.11 Weight and Balance ........................3-10 3.12 Electrical Load Analysis ......................3-11 3.13 AFMS Completion – Based on Autopilot Type .................3-12 3.13.1 Autopilot Listed in 400W/500W Series AML STC ............3-12 3.13.2 Autopilot Not Listed in 400W/500W Series AML STC ..........3-13 SYSTEM INTERCONNECTS .....................4-1 Pin Function List...........................4-1 4.1.1 P4001 Main Connector ......................4-1...
  • Page 9 4.7.5 COM/VOR/ILS Audio Interconnect ..................4-17 VOR/ILS Indicator (GNS 430W Only) ..................4-18 4.8.1 VOR/ILS Indicator Function....................4-18 4.8.2 VOR/ILS Indicator Electrical Characteristics ..............4-18 4.8.3 VOR/ILS Indicator Configuration ..................4-19 4.8.4 VOR/ILS Indicator Calibration and Checkout..............4-19 4.8.5 VOR/ILS Indicator Interconnect..................4-19 RMI/OBI.............................4-20 4.9.1 RMI/OBI Function ......................4-20 4.9.2 RMI/OBI Electrical Characteristics ...................4-20 4.9.3...
  • Page 10 5.3.15 VOR/LOC/GS ARINC 429 CONFIG Page (GNS 430W Only) ........5-19 5.3.16 GPS Vertical Offset .......................5-20 5.3.17 STORMSCOPE CONFIG Page..................5-21 5.3.18 STORMSCOPE TEST Page ..................5-21 5.3.19 STORMSCOPE DOWNLOAD DATA Page ..............5-21 5.3.20 TRAFFIC Page ......................5-22 5.3.21 RYAN TCAD CONFIG Page..................5-23 5.3.22 GAD 42 CONFIG Page ....................5-23 5.3.23 GDL CONFIG Page.......................5-23...
  • Page 11 Troubleshooting Procedure......................6-1 Alert Text Troubleshooting Procedure ..................6-4 Contacting the Factory for Assistance ..................6-9 LIMITATIONS..........................7-1 Operations.............................7-1 7.1.1 TSO-C146a GPS/WAAS Limitations ..................7-1 7.1.2 Safety Assessment Considerations..................7-2 7.1.3 Previous Operational Approvals ..................7-2 Installation ............................7-2 7.2.1 GPS Antenna........................7-2 7.2.2 Antenna Installation – General.....................7-2 7.2.3 Equipment Interfaced to the 400W Series Unit..............7-2 7.2.4...
  • Page 12 APPENDIX G APPROVED EQUIPMENT ..................G-1 Audio Panels ..........................G-1 Air Data Computer........................G-1 Altitude Serializer or Fuel/Air Data..................... G-2 Autopilots............................. G-3 Encoding Altimeter or Blind Encoder (Gray Code) ..............G-4 EFIS Displays ..........................G-4 EHSI............................. G-4 IRU/AHRS........................... G-5 NAV Indicator ..........................G-5 G.10 Weather, Traffic and Terrain .......................
  • Page 13 Figure F-1. 400W Series Mounting Rack Dimensions ................F-3 Figure F-2. GNS 430W Mounting Rack Installation................F-4 Figure F-3. GNC 420W Mounting Rack Installation ................F-5 Figure F-4. GPS 400W Mounting Rack Installation.................F-6 Figure F-5. 400W Series Recommended Panel Cutout Dimensions ............F-7 Figure H-1. 400W Series System Interface Diagram................H-3 Figure H-2.
  • Page 14 Figure H-33. Switches Interconnect....................... H-52 Figure H-34. ARINC 429 Avidyne PFD/MFD Interconnect..............H-53 Figure H-35. Collins Autopilot Interconnect ..................H-55 Figure H-36. Garmin GAD 42 Interconnect ..................H-56 Figure H-37. Garmin G600 Interconnect....................H-57 LIST OF TABLES Table 1-1. 400W Series Units ........................1-1 Table 1-2.
  • Page 15 The table is current at the time of publication of this manual (see date on front cover) and is subject to change without notice. Authorized Garmin Sales and Service Centers are encouraged to access the most up-to-date bulletin and advisory information on the Garmin Dealer Resource web site at www.garmin.com using their Garmin -provided user name and password.
  • Page 16 This page intentionally left blank Page xii 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 17: General Description

    400W Series panel-mounted units. The 400W Series includes the GPS 400W, GNC 420W, GNC 420AW, GNS 430W, and GNS 430AW panel-mounted units. Refer to Section 7, Limitations for additional information and other considerations.

  • Page 18: Scope

    FAA Flight Standards District Office describing the work accomplished. The FAA Form 337 must detail the equipment and systems to which the respective GPS 400W, GNC 420W, GNC 420AW, GNS 430W, or GNS 430AW is interfaced and reflect appropriately approved or acceptable data for which follow-on FAA field approval is being sought.

  • Page 19: Technical Specifications

    CAUTION The GPS 400W Series product lens is coated with a special anti-reflective coating which is very sensitive to skin oils, waxes and abrasive cleaners. CLEANERS CONTAINING AMMONIA WILL HARM THE ANTI-REFLECTIVE COATING. It is very important to clean the lens using a clean, lint-free cloth and an eyeglass lens cleaner that is specified as safe for anti-reflective coatings.

  • Page 20: General Specifications

    500 mA maximum per superflag output Superflag Power Requirements See Environmental Qualification Form on the Dealers Environmental Testing Only page on www.garmin.com. See Appendix A for part numbers. The display on the 400W Series unit is a sunlight readable LCD display. 3.8” diagonal...

  • Page 21: Gps Specifications

    1.4.3 GPS Specifications 15 (12 GPS and 3 GPS/WAAS/SBAS) Number Of Channels 1575.42 MHz L1, C/A code Frequency -134.5 dBm GPS Sensitivity (Acquisition, No Interference) -135.5 dBm WAAS Sensitivity (Drop Lock) -144 dBm Dynamic Range > 20 dB Lat/Lon Position Accuracy <1.25 meter RMS horizontal, <2 meter vertical, with WAAS 1000 knots maximum (above 60,000 ft)

  • Page 22: Com Transceiver Specifications (Gnc 420W And Gns 430W Only)

    1.4.4 COM Transceiver Specifications (GNC 420W and GNS 430W Only) ** Audio Output 100 mW minimum into a 500 load. Audio Response Less than 6 dB of variation between 350 and 2500 Hz. The distortion in the receiver audio output shall not exceed Audio Distortion 15% at all levels up to 100 mW.

  • Page 23: Vor Specifications (Gns 430W Only)

    1.4.5 VOR Specifications (GNS 430W Only) At -103.5 dBm (S+N)/N shall not be less than 6 dB. Receiver Audio Sensitivity -103.5 dBm or less for 60% of standard deflection. Course Deviation Sensitivity The VOR Course Deviation Flag must be flagged: Flag a) in the absence of an RF signal.

  • Page 24: Glideslope Specifications (Gns 430W Only)

    1.4.7 Glideslope Specifications (GNS 430W Only) -87 dBm or less for 60% of standard deflection. Sensitivity Centering Accuracy .0091 ddm or 0 7.8 mV Selectivity The course deviation shall be 0 ddm .0091ddm when using the Glideslope Centering Test Signal as the RF frequency is varied 17 kHz from the assigned channel.

  • Page 25: Gps Antenna Requirements

    [2] The GPS/WAAS connector is a TNC type. The VHF connector is a BNC type. [3] Installation of this antenna is not covered by the Garmin GA Antenna AML STC SA01695SE. [4] The GPS/WAAS connector is a TNC type. The XM connector is a TNC type. The VHF connector is a BNC type.

  • Page 26: Table 1-3. Antennas With Ifr Gps Operational Limitations

    The list of TSO-C144 antennas shown in Table 1-3 allow the 400W Series models to meet TSO-C146a requirements with the operational limitations specified in the Limitations Section 7.1.1 of this manual. Table 1-3. Antennas With IFR GPS Operational Limitations Conn Garmin Order Additional Model / Description Mount Style...

  • Page 27: License Requirements

    THE VHF TRANSMITTER IN THIS EQUIPMENT IS GUARANTEED TO MEET FEDERAL COMMUNICATIONS COMMISSION ACCEPTANCE OVER THE OPERATING TEMPERATURE RANGE. MODIFICATIONS NOT EXPRESSLY APPROVED BY GARMIN COULD INVALIDATE THE LICENSE AND MAKE IT UNLAWFUL TO OPERATE THE EQUIPMENT. 400W Series Installation Manual...

  • Page 28: Regulatory Compliance

    Regulatory Compliance 1.6.1 TSO Authorization and Advisory Circular Reference The conditions and tests required for TSO approval of this article are minimum performance standards. It is the responsibility of those installing this article either on or within a specific type or class of aircraft to determine that the aircraft installation conditions are within the TSO standards.
  • Page 29 (drawing lists and software documentation) is required to substantiate aircraft installation or operational approval, contact Garmin Customer Support for assistance. Garmin does not provide design or certification documentation, including software data, other than to certification authorities. 400W Series Installation Manual...

  • Page 30: Tso Deviations

    2. Garmin was granted a deviation from TSO-C113 section 2.1.2 (3) to use RTCA/DO-160D instead of RTCA/DO-160B as the standard for Environmental Conditions and Test Procedures for Airborne Equipment. 1. Garmin was granted a deviation from TSO-C146a for the requirement to use as a specific “NAV” labeled key. TSO-C146a RTCA/DO-229c Table 2-5 lists the function “Access to primary navigation display (Section 2.2.1.4.1)”...

  • Page 31: Etso Authorization

    The ability to use -128 dBmic as the minimum SBAS satellite signal-in-space for the purpose of assessing the operational limitation. NOTE 1 8. Garmin was granted a deviation from TSO-C146a paragraph 2.1.1.9 to use 20 seconds (instead of 10 seconds) to reacquire a dropped satellite under the conditions described in the paragraph. The 20 second period is the time period specified by the newer DO-229D.

  • Page 32: Etso Deviations

    2. Garmin was granted a deviation from ETSO-C146 to use RTCA/DO-229C instead of RTCA/DO-229B for minimum operating specifications. 3. Garmin was granted a deviation from RTCA/DO-229C for the requirement to use as a specific “NAV” labeled key. RTCA/DO-229C Table 2-5 lists the function “Access to primary navigation display (Section 2.2.1.4.1)”...

  • Page 33: Database Options And Updates

    The Terrain database, which serves the standard configured 400W Series unit providing Terrain functionality, is available for updating on periodic cycles and is available from Garmin. Terrain database updates can be accomplished by replacing or reprogramming the database card and inserting the updated card in the right card slot on the unit front panel.

  • Page 34: Limited Warranty

    Limited Warranty This Garmin product is warranted to be free from defects in materials or workmanship for two years from the date of purchase. For WAAS upgrade of this product, the warranty is separate and described in the service record or statement.

  • Page 35: Installation Overview

    2. INSTALLATION OVERVIEW Introduction Always follow acceptable avionics installation practices per AC 43.13-1B, AC 43.13-2A, or later FAA approved revisions of these documents. The GPS/WAAS installation instructions have been prepared to meet the guidance material contained in AC 20-138A “Airworthiness Approval of Global Navigation Satellite System (GNSS) Equipment”.

  • Page 36: Ifr Vor/Loc/Gs Installation

    2.2.3 IFR VOR/LOC/GS Installation The minimum GNS 430W installation requires the following items for an IFR VOR/LOC/GS Installation: GNS 430W (installed in the aircraft manufacturer approved location) GPS antenna, VOR/LOC antenna, glideslope antenna, and COM antenna. An External CDI/HSI indicator must be installed in the pilot’s primary field-of-view (or in the aircraft manufacturer approved mounting location).

  • Page 37: Multiple Heading Sources

    400W Series unit STC. For mounting the GPS/WAAS antenna, refer to Garmin GA Antenna AML STC SA01695SE or other FAA approved data. For mounting the COM, NAV, and Glideslope antennas, refer to the aircraft manufacturer’s data.

  • Page 38: Com Antenna Location

    TSO authorized and has been tested to meet Garmin’s minimum performance standards. The GPS antenna should be mounted no closer than two feet from any antennas emitting more than 25 watts of power.

  • Page 39: Figure 2-1. Gps Antenna Installation Considerations

    Figure 2-1. GPS Antenna Installation Considerations 400W Series Installation Manual Page 2-5 190-00356-02 Rev. G...

  • Page 40: Vor/Loc Antenna Location

    Locate the 400W Series unit as far as possible from all COM antennas. If a COM antenna is found to be the problem, a 1.57542 GHz notch filter (Garmin P/N 330-00067-00) may be installed in the VHF COM coax, as close to the COM as possible. This filter is not required for the GNC 420W and GNS 430W transmitters.

  • Page 41: Mounting Considerations

    Mounting Considerations The 400W Series unit is designed to mount in the avionics stack in the aircraft instrument panel within view and reach of the pilot. The primary unit location should minimize pilot head movement when transitioning between looking outside of the cockpit and viewing/operating the 400W Series unit. The location should be such that the 400W Series unit is not blocked by the glare shield on top, or by the throttles, control yoke, etc.
  • Page 42 1. Determine the pilot’s primary view centerline, utilizing the following criteria: a) For aircraft with a basic “T” instrument configuration with the attitude indicator in the upper center location, the center of this instrument should be used as the primary view centerline. b) If the basic “T”...

  • Page 43: Figure 2-2. Source Selection Annunciation Field Of View

    Figure 2-2. Source Selection Annunciation Field of View 2.5.1.2 GPS Navigation Annunciation Use the steps below to determine whether or not the integrated GPS navigation annunciation displayed on the 400W Series unit to be installed is within the acceptable field-of-view (see Figure 2-3): 1.

  • Page 44: Figure 2-3. Gps Navigation Annunciation Field Of View

    NOTE The entire annunciator unit must be within the acceptable field-of-view. The external GPS Navigation annunciator unit must contain, at a minimum, the following annunciations: INTEG, INTG or LOI TERM Figure 2-3. GPS Navigation Annunciation Field of View Page 2-10 400W Series Installation Manual Rev.

  • Page 45: Cabling And Wiring Considerations

    Cabling and Wiring Considerations Wiring should be installed in accordance with AC 43.13-1B Chapter 11. For dual 400W Series unit installations, care should be taken to ensure separation between wires of redundant systems to reduce the possibility of loss of navigation due to a single event. When wire separation cannot be achieved, the following issues should be addressed: It should not be possible for a cable harness to be exposed to wire chafing in a manner that both GPS units fail simultaneously;...

  • Page 46: Installation Approval Considerations

    (LNAV+V,L/VNAV and LPV modes on the 400W series unit) are not authorized when coupled to the autopilot). NOTE Contact Garmin to remove VNAV limitations. 2.9.2 Altitude Encoder/Air Data Computer Interface Approval The 400W Series units have been approved to interface with a number of altitude encoders. However,...

  • Page 47: Audio Panel Interface Approval

    2.9.3 Audio Panel Interface Approval The 400W Series units have been approved to interface with a number of audio panels. However, audio panels not listed in Appendix G can still be approved under 400W/500W Series AML STC SA01933LA if all of the following conditions are met: The installation of the audio panel was previously FAA-approved;...
  • Page 48 This page intentionally left blank Page 2-14 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 49: Installation Procedures

    The 400W Series units are available under the following part numbers: Table 3-1. Catalog Part Numbers Voltage Model Unit Only Kit Standard Kit Unit P/N Color Upgrade (VDC) GPS 400W 010-00409-00 010-00409-01 011-01057-00 14/28 010-00409-10 010-00409-11 011-01057-10 14/28 010-00409-40 010-00409-41...

  • Page 50: Optional Accessories

    For details regarding antenna selection, refer to Section 1.4.8. Once the antenna type is decided upon, refer to the information below for detailed parts information for antennas available directly from Garmin. Contact manufacturer directly for information on other antennas. Installation information for the antennas can be found in the appropriate installation manual listed in Section 3.5.

  • Page 51: Gps Antenna Doubler

    (qty. 4) for the antenna mounting screws. Antenna doubler P/N 115-00846-10, for the GA 35 antenna. This doubler does not contain nut plates. The above doublers may be purchased from Garmin or doublers may be fabricated in accordance with the Antenna STC Installation Manual 190-00569-00. 3.2.3 Other Accessories None.

  • Page 52: Installation Materials Required But Not Provided

    Installation Materials Required but Not Provided 3.6.1 Optional Accessories Not Supplied (GNC 420W and GNS 430W Only) The following installation accessories are required but not provided: ITEM REQUIREMENTS COM Antenna Shall meet TSO C37( ) and C38( ). Broad band, 50 , vertically polarized with coaxial cable (GNC 420W and GNS 430W Only) VOR/LOC Antenna Shall meet TSO C40( ) and C36( ).

  • Page 53: Special Tools Required

    Special Tools Required Some of the connectors use crimp contacts. The table below identifies crimp tools required to ensure consistent, reliable crimp contact connections for the rear D-sub connectors. Table 3-3. Recommended Crimp Tools (or Equivalent) Connector High Density Standard Density Type Wire 22-24 AWG...

  • Page 54: Cable Installation

    Cable Installation 1. Route the coaxial cable to the rack location keeping in mind the recommendations of Section 2.6. Secure the cable in accordance with good aviation practice. 2. Trim the coaxial cable to the desired length and install the BNC connector (330-00087-00) per the cabling instructions on Figure 3-1.

  • Page 55: Table 3-4. Pin Contact Part Numbers

    See Note 2 031-1007-042 NOTES 1. Non-Garmin part numbers shown are not maintained by Garmin and consequently are subject to change without notice. 2. Alternate contacts for 18 AWG wire: As an alternative to the Positronic contacts listed (and provided in the installation kit), the installer may use contacts made by ITT Cannon under P/N 031-1007-001.

  • Page 56: Equipment Mounting

    Equipment Mounting 3.9.1 Rack Installation Use the dimensions shown in Figure F-1 to prepare the mounting holes for the 400W Series unit. You may also use the 400W Series unit mounting rack itself as a template for drilling the mounting holes. 1.

  • Page 57: Antenna Installation And Connection

    Antenna Installation and Connection 3.10.1 GPS Antenna This section provides information on the antenna cable installation. For mounting of the GPS Antenna refer to the Garmin GA Antenna AML STC SA01695SE. Refer to 2.4.1 herein for installation location considerations. NOTE The internal 400W Series COM does not interfere with its own GPS receiver.

  • Page 58: Com Antenna

    GPS 400W Weight (Unit only) 4.0 lbs. (1.82 kg) 5.0 lbs. (2.27 kg) GPS 400W Weight (Installed with rack and back plate) GNC 420W and 420AW Weight (Unit only) 4.5 lbs. (2.04 kg) GNC 420W and 420AW Weight (Installed with rack and back plate) 5.5 lbs.

  • Page 59: Electrical Load Analysis

    An electrical load analysis should be completed on each aircraft prior to installation in accordance with AC 43.13-1B, Chapter 11. Use the following values for computation: Table 3-6. 400W Series Power Input 14 VDC 28 VDC Input Connector Mode Typical Typical GPS 400W Main power P4001 760mA 1.4A 410mA 700mA GNC 420W Main power P4001 1.12A...

  • Page 60: Afms Completion - Based On Autopilot Type

    3.13 AFMS Completion – Based on Autopilot Type 3.13.1 Autopilot Listed in 400W/500W Series AML STC For all autopilots listed in Section G.4, the appropriate limitations for that autopilot are identified in Table 3-7 and described in the paragraphs following the table. Table 3-7.

  • Page 61: Autopilot Not Listed In 400W/500W Series Aml Stc

    AFMS Section 4.3 Autopilot Coupling Limitations This section of the AFMS contains four possible limitations: [1] This installation prompts the pilot and requires the pilot to enable the A/P outputs just prior to engaging the autopilot in APR mode. [2] This installation supports a seamless transition from digital (GPSS) to analog guidance for the autopilot.

  • Page 62: Section 3 3-1 Through

    For all autopilots that are not listed in the 400W/500W Series AML STC, select the appropriate limitation as follows: Limitation [1] is checked for any installation that meets all of the following criteria: The GPS SELECT discrete is set to ‘Prompt’ on the Main System Config Page (refer to section 5.3.3.

  • Page 63: System Interconnects

    4. SYSTEM INTERCONNECTS Pin Function List 4.1.1 P4001 Main Connector (View looking at rear of unit) 51 52 41 42 21 22 Pin Name VLOC ANNUNCIATE GPS ANNUNCIATE WAYPOINT ANNUNCIATE TERMINAL ANNUNCIATE APPROACH ANNUNCIATE MESSAGE ANNUNCIATE OBS ANNUNCIATE SPARE ANNUNCIATE INTEGRITY ANNUNCIATE ANNUNCIATE D ANNUNCIATE E...
  • Page 64 Pin Name GPS RS-232 IN 3 MAIN OBI CLOCK MAIN OBI DATA MAIN OBI SYNC GPS ARINC 429 OUT A GPS ARINC 429 OUT B GPS ARINC 429 IN 1 A GPS ARINC 429 IN 1 B GPS ARINC 429 IN 2 A GPS ARINC 429 IN 2 B RESERVED RESERVED...

  • Page 65: P4002 Com Connector (Gnc 420W And Gns 430W Only)

    4.1.2 P4002 COM Connector (GNC 420W and GNS 430W Only) (View looking at rear of unit) Pin Name RESERVED RESERVED RESERVED COM MIC KEY INTERCOM MIC HI COM MIC AUDIO HI 500 COM AUDIO HI RESERVED RESERVED RESERVED AIRCRAFT POWER AIRCRAFT POWER RESERVED TRANSMIT INTERLOCK...

  • Page 66: P4006 Nav Connector (Gns 430W Only)

    4.1.3 P4006 NAV Connector (GNS 430W Only) (View looking at rear of unit) Pin Name VOR/LOC +TO VOR/LOC +FROM (VOR/LOC COMMON) VOR/LOC +FLAG VOR/LOC -FLAG (VOR/LOC COMMON) VOR/LOC +LEFT VOR/LOC +RIGHT (VOR/LOC COMMON) RESERVED VOR/LOC COMPOSITE OUT VOR OBS ROTOR C VOR OBS ROTOR H (GROUND) VOR OBS STATOR E/G (VOR/LOC COMMON) VOR OBS STATOR F...

  • Page 67: Power, Lighting, And Antennas

    Power, Lighting, and Antennas This section covers the power input requirements, lighting bus input, and antenna connections. See Figure H-5 for interconnect information. 4.2.1 Power Pin Name Connector AIRCRAFT POWER 1 (MAIN) P4001 AIRCRAFT POWER 1 (MAIN) P4001 AIRCRAFT POWER 2 (MAIN) P4001 AIRCRAFT POWER 2 (MAIN) P4001...

  • Page 68: Altitude Gray Code

    4.3 Altitude Gray Code Altitude input is useful for advisory vertical navigation (VNAV) calculations. Pin Name Connector ALTITUDE D4 P4001 ALTITUDE A1 P4001 ALTITUDE A2 P4001 ALTITUDE A4 P4001 ALTITUDE B1 P4001 ALTITUDE B2 P4001 ALTITUDE B4 P4001 ALTITUDE C1 P4001 ALTITUDE C2 P4001...

  • Page 69: Main Indicator

    Main Indicator 4.4.1 Main Indicator Function The Main Indicator displays both lateral and vertical deviation from selected course, To/From indications, lateral and vertical flags and superflags. The “CDI” key on the bezel of the GNS 430W takes the place of remote “NAV/GPS” switches, and is used to toggle between display of GPS and VOR/ILS navigation display on a remote indicator.

  • Page 70: Main Indicator Configuration

    Refer to Figure H-7 for the generic main indicator interconnect. Refer to Figure H-8 for the interconnect between a GNS 430W and a Bendix/King KI 209A. Refer to Figure H-9 for the interconnect between a GPS 400W or GNC 420W and a Bendix/King KI 208A. Page 4-8 400W Series Installation Manual Rev.

  • Page 71: Annunciators/Switches

    Annunciators/Switches 4.5.1 Annunciators/Switches Function NOTE Installations in conformance with the requirements specified in this installation manual may not require the use of any external annunciators, since all annunciations are provided on the 400W Series front panel. Refer to Section 2.5.1 to determine whether or not external annunciators are required.
  • Page 72 4.5.1.9 APPROACH ANNUNCIATE When performing approach navigation, the approach annunciator illuminates when approach is active. 4.5.1.10 INTEGRITY ANNUNCIATE The integrity annunciator illuminates when the GPS receiver detects a position error, or is unable to calculate the integrity of the position. 4.5.1.11 ILS/GPS APPROACH Output The ILS/GPS Approach Output sinks 500 mA when: GPS navigation is selected and either a GPS approach mode is active or 0.3 nmi is selected for...

  • Page 73: Annunciators/Switches Electrical Characteristics

    4.5.2 Annunciators/Switches Electrical Characteristics 4.5.2.1 Annunciators Pin Name Connector VLOC ANNUNCIATE P4001 GPS ANNUNCIATE P4001 WAYPOINT ANNUNCIATE P4001 TERMINAL ANNUNCIATE P4001 APPROACH ANNUNCIATE P4001 MESSAGE ANNUNCIATE P4001 OBS ANNUNCIATE P4001 AUTO ANNUNCIATE P4001 INTEGRITY ANNUNCIATE P4001 GPS SELECT [1] P4001 ILS/GPS APPROACH P4001 [1] The Operation of the GPS SELECT can be configured.

  • Page 74: Serial Data

    Serial Data 4.6.1 Serial Data Function 4.6.1.1 RS-232 The 400W Series unit is capable of interfacing with other aviation instruments by transmitting RS-232 Type 1 (often known as ARNAV format) and Type 2 (often known as Northstar format) data on the GPS RS-232 OUT 1 port.
  • Page 75 4.6.1.2 ARINC 429 The data output on the GPS ARINC 429 OUT port depends on the configuration (see Section 5.3.1). Below is a list of the configurations and the labels output for each one: 1. ARINC 429 2. GAMA 429 3.
  • Page 76 (see Section 5.3.1). The 400W Series unit can receive traffic data from a Garmin GTX 330 or an L3 Communications SKY497 SkyWatch system using the GPS ARINC 429 IN 1 or GPS ARINC 429 IN 2 ports, in order to display traffic information on the 400W Series unit.

  • Page 77: Serial Data Electrical Characteristics

    4.6.2 Serial Data Electrical Characteristics 4.6.2.1 RS-232 Pin Name Connector GPS RS-232 OUT 1 P4001 GPS RS-232 IN 1 P4001 GPS RS-232 OUT 2 P4001 GPS RS-232 IN 2 P4001 GPS RS-232 OUT 3 P4001 GPS RS-232 IN 3 P4001 GPS RS-232 OUT 4 P4001 GPS RS-232 IN 4...

  • Page 78: Com/Vor/Ils Audio (Gnc 420W And Gns 430W Only)

    COM/VOR/ILS Audio (GNC 420W and GNS 430W only) 4.7.1 COM/VOR/ILS Audio Function Activation of COM MIC KEY enables COM MIC AUDIO and causes the transceiver to transmit. 500 COM AUDIO and 500 VOR/ILS AUDIO are 100 mW audio outputs that are intended to drive a headset or an audio panel.

  • Page 79: Com/Vor/Ils Audio Configuration

    4.7.2.3 COM AUDIO, VOR/ILS AUDIO Pin Name Connector P4002 500 COM AUDIO HI P4002 500 COM AUDIO LO P4006 500 VOR/ILS AUDIO HI P4006 500 VOR/ILS AUDIO LO 500 COM AUDIO and 500 VOR/ILS AUDIO each supply 100 mW into a 500 load.

  • Page 80: Vor/Ils Indicator (Gns 430W Only)

    VOR/ILS Indicator (GNS 430W Only) 4.8.1 VOR/ILS Indicator Function NOTE Because the GNS 430W includes a “CDI” button that performs switching between GPS and VOR/ILS on a remote indicator, it is seldom necessary to use these outputs to drive an indicator. It is only necessary when it is desired for a separate indicator to display VOR/ILS deviation full-time (regardless of the “CDI”...

  • Page 81: Vor/Ils Indicator Configuration

    4.8.2.4 Flag Pin Name Connector VOR/LOC +FLAG P4006 VOR/LOC -FLAG (VOR/LOC COMMON) P4006 GLIDESLOPE +FLAG P4006 GLIDESLOPE +DOWN/-FLAG (GLIDESLOPE P4006 COMMON) The Flag output is capable of driving up to three 1000 meter loads. When valid information is present (Flag OUT OF VIEW) the Flag output is 375 ±80 mVDC. When invalid information is present (Flag IN VIEW) the Flag output is 0 ±25 mVDC.

  • Page 82: Rmi/Obi

    RMI/OBI 4.9.1 RMI/OBI Function The MAIN OBI output provides bearing information from the active waypoint for Bendix/King Serial OBI devices based upon the 400W Series unit’s GPS navigation. For the GNS 430W, the MAIN OBI output may be configured so that it sends VOR/ILS bearing information when VLOC is selected by the GNS 430W CDI key.

  • Page 83: Dme Tuning (Gns 430W Only)

    4.10 DME Tuning (GNS 430W Only) 4.10.1 DME Tuning Function The GNS 430W can channel a DME based on the tuned VLOC frequency. The GNS 430W outputs 2 of 5, BCD or Slip parallel DME and King Serial DME channeling format. When DME COMMON is held low, the GNS 430W actively tunes the DME.

  • Page 84: Dme Tuning Configuration

    4.10.3 DME Tuning Configuration Refer to Section 5.3.14 for the DME tuning configuration. 4.10.4 DME Tuning Calibration and Checkout None. 4.10.5 DME Tuning Interconnect References Refer to Appendix H for interconnect information. NOTE For the GNS 430W to tune a Narco DME 890 or IDME 891 or an ARC (Cessna) RTA-476A using parallel 2 of 5, unique wiring and configuration are required.

  • Page 85: Post Installation Configuration & Checkout Procedures

    All configuration pages shown apply to the GNS 430W, but not all apply to the GPS 400W or GNC 420W. Those pages and fields that apply only to certain 400W Series units are denoted as such.

  • Page 86: Main Arinc 429 Config Page

    5.3.1 MAIN ARINC 429 CONFIG Page Select the MAIN ARINC 429 CONFIG Page (see Figure 5-1). This page configures the GPS ARINC 429 output port, and the two GPS ARINC 429 input ports. The two input ports can each be configured independently for the desired function(s).
  • Page 87 Selected course information from the following Flight Control systems: Flight Control Bendix/King KFC 400 Garmin GAD 42 Selected course, heading, and true airspeed data from the Garmin GAD 42. Selected course, heading, altitude, temperature and speed information from Garmin GDU [1] the following systems:...
  • Page 88 EFIS systems: Sextant SMD 45 [1] Main software version 3.00 or later [2] Garmin GTX 330 will work with any output setting Selection Description RX: Accepts all 429 inputs Common TX: Generates all 429 outputs with SDI = 0.

  • Page 89: Main Rs-232 Config Page

    VNAV Selection Description ARINC 429 labels associated with GPS-based vertical guidance (labels 117G and Disable Labels 327G) are not transmitted in the output data stream. ARINC 429 labels associated with GPS-based vertical guidance (labels 117G and Enable Labels 327G) are transmitted in the output data stream. ARINC 429 vertical guidance labels are used by the following systems: Sandel SN3500 Other systems may also use these labels.
  • Page 90 Serial altitude data from the following units: Icarus-alt Icarus Instruments 3000 Sandia SAE5-35 Garmin GTX 327 Transponder Trans-Cal Industries IA-RS232-X, SSD120 ACK Technologies A-30 (Mod 8 and above) Traffic information from a Ryan TCAD 9900B or 9900BX Series system. Ryan TCAD...
  • Page 91 CHANNEL OUTPUTS Selection Description No unit(s) connected to output of this channel ADS-B OUT Serial communication to Garmin GTX 33/330 ES or 33D/330D ES Transponders. [4] Aviation Serial position, altitude, velocity, and navigation data to the following units: Argus 3000, 5000, or 7000 Moving Map Electronics International FP-5L Fuel Flow Computer (non-TSO’d)

  • Page 92: Main System Config

    5.3.3 MAIN SYSTEM CONFIG Select the MAIN SYSTEM CONFIG Page (see Figure 5-3). This page allows you to configure the Fuel, Terrain, and Discretes options. Figure 5-3. MAIN SYSTEM CONFIG Page Fuel Select Fuel in the CONFIGURE field to select the FUEL TYPE (AV Gas, Jet A, or Jet B) Selection Description AV gas...

  • Page 93: Figure 5-5. Main System Config Page

    Discretes Select Discretes in the CONFIGURE field to configure the operation of specific discrete outputs. Figure 5-5. MAIN SYSTEM CONFIG Page GPS Select Selection Description Auto When in GPS mode, the GPS Select discrete is unasserted (open) whenever a GPS approach mode is active – no associated messages appear and no pilot action is required.

  • Page 94: Main Inputs 1 Page

    5.3.4 MAIN INPUTS 1 Page Select the MAIN INPUTS 1 Page (see Figure 5-6). This page (along with the MAIN INPUTS 2 Page) allows you to monitor the data on ARINC 429, RS-232 and other electrical inputs. This is used for verifying electrical interfaces during installation and troubleshooting.

  • Page 95: Instrument Panel Self-Test Page

    5.3.6 INSTRUMENT PANEL SELF-TEST Page Select the INSTRUMENT PANEL SELF-TEST Page (see Figure 5-8). This page allows verification that the 400W Series unit is communicating properly with other instruments. Compare on-screen indications with the information depicted on connected instruments, such as the CDI, HSI, RMI and/or external annunciators.

  • Page 96: Gps Date/Time Setup Page

    SLOPE Sets the sensitivity of the display brightness in proportion to changes in the input level. The higher the number, the brighter the display is for a given increase in the input level. This field has a range of 0 (zero) to 99, and is set to 50 at the factory.

  • Page 97: Main Discrete Inputs Page

    5.3.9 MAIN DISCRETE INPUTS Page Select the MAIN DISCRETE INPUTS Page (see Figure 5-12) if the encoding altimeter input is used. Verify that the DECODED ALTITUDE field indicates the correct altitude. GRAY CODE If the encoding altimeter input is used, verify that the DECODED ALTITUDE field indicates the correct altitude.

  • Page 98: Main Cdi/Obs Config Page

    5.3.11 MAIN CDI/OBS CONFIG Page Select the MAIN CDI/OBS CONFIG Page (see Figure 5-14). This page allows you to verify the MAIN CDI outputs, both lateral (LAT) and vertical (VERT), and verify and calibrate the MAIN OBS input. Using the controls on the 400W Series unit front panel, make the selections below and verify the interfaces as appropriate: Figure 5-14.
  • Page 99 CDI (GNS 430W Only) Selection Description The GNS 430W CDI button is in the GPS state, and the GPS ANNUNCIATE output is active. This annunciator output may be required to be active for some installations. The GNS 430W CDI button is in the VLOC state, and the VLOC VLOC ANNUNCIATE output is active.

  • Page 100: Com Setup Page (Gnc 420W And Gns 430W Only)

    5.3.12 COM SETUP Page (GNC 420W and GNS 430W Only) Select the COM SETUP Page (see Figure 5-15). These values are set at the factory and seldom require calibration. FREQ Selects a VHF communication frequency. For purposes of setting the squelch and sidetone levels, only the frequencies 118.000, 127.000, and 136.975 MHz can be used.

  • Page 101: Vor Discrete Inputs Page (Gns 430W Only)

    5.3.13 VOR DISCRETE INPUTS Page (GNS 430W Only) Select the VOR DISCRETE INPUTS Page (see Figure 5-16). This page allows you to verify the operation of an external VLOC transfer switch that may be present in the installation. Figure 5-16. VOR DISCRETE INPUTS Page Selection Verify That:...
  • Page 102 TO-FR (LAT) Selection Verify That: FROM The FROM flag is in view. Hide The TO/FROM flag is hidden. The TO flag is in view. SELECTED COURSE Select 150° on the CDI/HSI that is connected to the 400W Series VOR/LOC/GS OBS inputs. The SELECTED COURSE field should indicate near to 150°...

  • Page 103: Vor/Loc/Gs Arinc 429 Config Page (Gns 430W Only)

    5.3.15 VOR/LOC/GS ARINC 429 CONFIG Page (GNS 430W Only) Select the VOR/LOC/GS ARINC 429 CONFIG Page (see Figure 5-18). This page configures the VOR/ILS ARINC 429 output and input ports. Figure 5-18. VOR/LOC/GS ARINC SPEED 429 CONFIG Page Selection Description Standard low-speed ARINC 429 (nominally 12.5 kilobits per second) High-speed ARINC 429 (nominally 100 kilobits per second) High...

  • Page 104: Gps Vertical Offset

    5.3.16 GPS Vertical Offset The GPS Vertical Offset setup function is used to enter the height above ground of the GPS antenna. Prior to proceeding, measure the GPS antenna vertical offset (to the nearest foot) as shown in Figure 5-19. Figure 5-19.

  • Page 105: Stormscope Config Page

    5.3.17 STORMSCOPE CONFIG Page NOTE The Stormscope pages are only available if one of the RS-232 inputs is configured for the WX-500. Select the STORMSCOPE CONFIG Page (see Figure 5-21). This page shows the L3 Communications WX- 500 Stormscope configuration as reported by the WX- 500 through RS-232 data.

  • Page 106: Traffic Page

    Selection of this option causes non-TA traffic to be displayed in cyan instead of white, which is the default color. The alternate traffic color is not covered under the Garmin AML STC and shall not be used unless an alternate means of airworthiness approval is obtained.

  • Page 107: Ryan Tcad Config Page

    5.3.21 RYAN TCAD CONFIG Page Select the RYAN TCAD CONFIG Page (see Figure 5-26). This page shows the TCAD’s current shield settings for the selected mode, approach mode status, volume, mute status, mute duration, voice alert selection, and system status. Verify that the TCAD system status is GREEN.

  • Page 108: Data Link Diagnostics Page

    5.3.24 DATA LINK DIAGNOSTICS Page The 8-character test word returned from the GDL 69 is displayed on the DATA LINK DIAGNOSTICS page for each of the following parameters: Figure 5-29. Data Link Diagnostics Display Description Quality of Service Test TERR Terrestrial Error Status Satellite 1 Error Status SAT1...

  • Page 109: Ground Checks (Configuration Mode)

    Ground Checks (Configuration Mode) 5.4.1 Main Indicator (Analog Only) NOTE If the GNS 400W Series unit is interfaced to an electronic HSI and the main indicator analog output is not used, this check is not required. If the GNS 400W Series unit is interfaced to an analog indicator on the main CDI/OBS, perform the following steps: 1.

  • Page 110: Adc, Altitude Encoder, Fuel Sensor And Fuel/Air Data Computer

    5.4.4 ADC, Altitude Encoder, Fuel Sensor and Fuel/Air Data Computer NOTE This check does not apply to parallel connections to an altitude encoder. If the gray code interface to an altitude encoder is used, the check in Section 5.4.5 must be completed. The GNS 400W Series unit can receive altitude or fuel/air data from an external source.

  • Page 111: Ahrs/Iru Interface Check

    5.4.6 AHRS/IRU Interface Check The GNS 400W Series unit can receive heading data from an external source. This check verifies that the GNS 400W Series unit is receiving data from these units. Ensure that the GNS 400W Series unit is turned on and in configuration mode.

  • Page 112: Ground Checks (Normal Mode)

    Ground Checks (Normal Mode) Turn the 400W Series unit off and bring the unit back up in normal mode for the following checks. 5.5.1 Display of Self-Test Data Following normal power-up, the Data Base Pages are displayed followed by the Instrument Panel Self- Test Page.

  • Page 113: Signal Acquisition Check

    NOTE It is known that certain non-aviation radios, including marine transceivers, can interfere with civil aviation navigation and surveillance equipment including the Garmin GNS 400W Series. When installing GNS 400W Series equipment in accordance with the appropriate STC, it is the responsibility of the installer to ensure that the GNS 400W Series unit modification is compatible with all previous aircraft modifications.
  • Page 114 Once the Signal Acquisition Test has been completed successfully, perform the following steps: 1. View the Satellite Status Page and verify that at least 7 satellites have been acquired on the 400W Series unit. 2. Verify that the GPS “INTEG” flag is out of view. 3.

  • Page 115: Vhf Nav Checkout (Gns 430W)

    5.5.4 VHF NAV Checkout (GNS 430W) Press the CDI key to select VLOC mode (indicated by a white VLOC in the lower left corner of the display). Check the VOR reception with ground equipment, operating VOT or VOR, and verify audio and Morse code ID functions (if possible).
  • Page 116 5.5.6.2.1 One 400W Series Unit / One SN3308 1. Cycle power to the GNS 400W Series unit and acknowledge the prompts until it gets to the self test page (see Section 5.5.1). 2. Ensure that the SN3308 is receiving valid heading. NOTE The Vertical Deviation Indication will not be displayed unless the SN3308 is receiving valid heading.
  • Page 117 5.5.6.2.2 Two 400W Series Units/One SN3308 The checkout for two 400W Series units also applies to one 400W Series unit and one 500W Series unit. 1. Remove power from the second (no. 2) 400W Series unit. 2. Cycle power to the first GNS 400W Series unit and acknowledge the prompts until it gets to the self test page (see Section 5.5.1).
  • Page 118 NOTE If the deviations are not as described, the EHSI/EFIS does not scale the GNS 400W Series unit deviations properly and cannot be certified for GPS-based guidance. Contact Garmin for further assistance. Page 5-34 400W Series Installation Manual Rev. G...
  • Page 119 3. Using the Self Test selection under the Lightning Menu, initiate a Stormscope self-test. 5.5.6.8 GMX 200/MX20 Interface Check If a Garmin GMX 200 or MX20 has been connected to the GNS 400W Series unit, the interface should be verified as described in this section.
  • Page 120 NOTE The following sections only verify the correct interface of GDL 69/69A to the GNS 400W Series unit. It does not activate the GDL 69 XM data link radio. Complete instructions for activating the XM data link radio can be found in document 190-00355-04.

  • Page 121: Magnetic Compass Check

    5.5.6.11.1 Main OBI Output If the Main OBI output from the GNS 400W Series unit is connected to an RMI navigation indicator verify the interface as follows: 1. Apply power to the equipment and wait for the GNS 400W Series unit to acquire a position. 2.

  • Page 122: Flight Checks

    5.6 Flight Checks All system functions that cannot be adequately tested on the ground will require a flight test. Even if all functions can be verified on the ground, a flight test is recommended as final installation verification. Verify system operation as described in the following sections. NOTE The analog deviation (LEFT/RIGHT and UP/DOWN), TO/FROM, and FLAG (lateral and vertical) outputs to a CDI or HSI should be verified in flight with potential sources of...

  • Page 123: Ils Flight Check (Gns 430W)

    5.6.4 ILS Flight Check (GNS 430W) 1. Tune an ILS at the local airport. 2. Verify the audio ident and audio quality and verify that no objectionable electrical interference such as magneto noise is present. 3. Verify the Morse code decoder IDs the station (95% probability). 4.

  • Page 124: Airplane Flight Manual Supplement Checks

    5.8 Airplane Flight Manual Supplement Checks Ensure that the Airplane Flight Manual Supplement (AFMS) is completed and inserted in the Airplane Flight Manual (AFM) or Pilot’s Operating Handbook (POH). 1. Fill in the required airplane information in the AFMS. 2. Fill in the appropriate checkbox in the Limitations section of the AFMS corresponding to the type of GPS antenna that was installed.

  • Page 125: Table 5-1. Gns 400W Series Post-Installation Checkout Log

    Table 5-1. GNS 400W Series Post-Installation Checkout Log Date: ____ /____ /____ GNS 400W Series Post-Installation Checkout Log By: ________________ INSTALLATION Aircraft Model ___________________________ Aircraft Serial # ______________ INFORMATION: Unit P/N ________________________________ Mod Level __________________ Unit Model ______________________________ Serial # _____________________ GPS Antenna P/N _________________________ GPS Ant Model EXTERNAL ANNUNCIATION REQUIREMENT (See Section 2.5)
  • Page 126 CONFIGURATION ITEMS ( ’ CONT VOR/LOC/GS CDI (GNS 430W only) GDL Configuration N/A] DME Channel Mode: ___________________ Attenuation: ______________ Model: GDL 69A GDL 69 VOR/LOC/GS ARINC 429 Configuration (GNS 430W only) RX Speed: High TX Speed: High SDI: Common VOR/ILS 1 VOR/ILS 2 DME Mode: Directed freq 1...
  • Page 127 N/A] ARINC 429 Traffic System N/A] Ryan TCAD VHF COM INTERFERENCE VHF COM interference checked N/A] L-3 Communications Stormscope N/A] Garmin GMX 200 / MX20 VHF NAV CHECKOUT (GNS 430W ONLY) N/A] Garmin GDL 69/69A VOR reception checked N/A] Crossfill check...
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  • Page 129: Troubleshooting

    6. TROUBLESHOOTING This section provides information to assist troubleshooting if problems occur after completing the installation. Devices connected to the 400W Series unit can be useful for determining whether the 400W Series unit is functioning properly or if there are problems with the installation. 6.1 Troubleshooting Procedure Table 6-1.
  • Page 130 Table 6-1. Troubleshooting Guide Problem Possible Cause Solution OBS Resolver won’t Incompatible resolver or Check the resolver specifications and calibrate. improper connection. wiring. OBS indication on 400W Series unit resolver input Check wiring and calibration. 400W Series unit not calibrated correctly. does not agree with Resolver has not been OBS setting.
  • Page 131 Table 6-1. Troubleshooting Guide Problem Possible Cause Solution 400W Series unit RS-232 port Check RS-232 port setting for port RS-232 device is not configured correctly. that device is connected to. not communicating with the 400W Improper setup on the remote Verify the configuration of the other Series unit.

  • Page 132: Alert Text Troubleshooting Procedure

    Table 6-2 is a list of alerts that are relevant to installers. There are additional messages in the 400W/500W Pilot’s Guide. If a message is displayed that is not in Table 6-2 or the Pilot’s Guide, please contact Garmin technical support. Table 6-2. Alert Text Troubleshooting Guide...
  • Page 133 (or “pressed”) state. Verify the wiring is correct. If the message persists, contact Garmin technical support. COM transfer key stuck The COM flip-flop key is stuck Try pressing the switch again (430W only) in the enabled (or “pressed”)
  • Page 134 Alert Text Possible Cause Solution G/S is not responding Internal system-to-system Contact Garmin technical (430W only) communication between the support. main processor and the glideslope receiver has failed. Operational status of the glideslope receiver is unknown. G/S needs service The unit has detected a failure...
  • Page 135 Refer to Table 6-1 “ARINC 429 Channel #1 or #2 the ARINC 429 channel #1 device is not receiving data connection for a period from the GPS 400W/GNS exceeding five seconds. 430W” Not receiving input data on 232 No data has been received on Refer to Table 6-1 “RS-232...
  • Page 136 The unit’s terrain settings have Reconfigure TERRAIN changed changed since it was last settings turned on in normal mode. Contact Garmin technical support TERRAIN has failed The unit has detected a failure Ensure that Terrain database in the terrain system.

  • Page 137: Contacting The Factory For Assistance

    The failure may be within the WX-500 or other connected equipment. 6.3 Contacting the Factory for Assistance If the 400W Series unit fails to operate despite troubleshooting efforts, contact Garmin Technical Support for assistance. GARMIN International, Inc. 1200 East 151st Street Olathe, KS 66062-3426 Phone: 913.397.8200...
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  • Page 139: Limitations

    400W Series equipment. 4) When flight planning an LNAV/VNAV or LPV approach, operators should use the Garmin Prediction Program part number 006-A0154-03 (with the <insert installed antenna model number/part number>...

  • Page 140: Safety Assessment Considerations

    7.2.2 Antenna Installation – General Structural mounting of the GPS/WAAS antenna is not included in this installation manual. For mounting the GPS/WAAS antennas, refer to the Garmin GA Antenna AML STC SA01695SE or other FAA approved installation data. 7.2.3 Equipment Interfaced to the 400W Series Unit...

  • Page 141: Rotorcraft Installation

    7.3 Rotorcraft Installation The installation and operational approval for use of a 400W Series unit in rotorcraft is not covered by AML STC SA01933LA; however, instructions and data provided in this manual may be used to perform the alteration and obtain other FAA approval. The 400W Series unit TERRAIN functionality is not recommended for use in rotorcraft.
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  • Page 143: Periodic Maintenance

    GPS signal acquisition time will be increased. There is no loss of function or accuracy of the 400W Series unit with a dead battery. The battery is not user replaceable. To replace the battery, contact the Garmin repair station or factory authorized repair station.
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  • Page 145: Appendix Aenvironmental Qualification Form

    Appendix A ENVIRONMENTAL QUALIFICATION FORM For RTCA/DO-160D Environmental Qualification Forms (EQFs) visit the Dealers Only page on http://www.garmin.com. The part numbers for each form are listed below. Table A-1. Environmental Qualification Form Part Numbers Unit EQF Part Number GPS 400W...
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  • Page 147: Appendix Bstc Data

    The 400W/500W Series STC SA01933LA Approved Model List (AML) includes airplanes that are type certificated only under CAR 3 or 14 CFR Part 23. The Garmin 400W Series unit equipment is approved for installation on all aircraft listed on the AML when adhering to the installation instructions and the limitations described in this 400W Series Installation Manual.
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  • Page 149: Appendix Creserved

    Appendix C RESERVED 400W Series Installation Manual Page C-1 190-00356-02 Rev. G...
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  • Page 151: Appendix D 400W Series Rs-232 Aviation Data Format

    Appendix D 400W SERIES RS-232 AVIATION DATA FORMAT D.1 Electrical Interface The output signals are compatible with RS-232C. Data is generated at 9600 baud with a word length of 8 bits, one stop bit, and no parity. D.2 General Output Format The 400W Series RS-232 data has the following general format: STX - ASCII start-of-text character (02 hex) t1s - Type 1 output sentences (see following paragraphs for description)

  • Page 152: Table D-1. Type 1 Output Sentence Format

    Table D-1 describes the Type 1 output sentence item designator (id) and item data (dddd) fields. If data for these sentences is invalid or unavailable, dashes ("-") are used to fill in all non-blank character positions. Table D-1. Type 1 Output Sentence Format Ident (1 byte) Data (10 bytes) Description...

  • Page 153: Output Sentence Type 2

    D.4 Output Sentence Type 2 The 400W Series Type 2 output sentences have the following general format: - item designator (3 ASCII characters) - sequence number (1 binary byte) - waypoint identifier (5 ASCII characters) - waypoint latitude (3 binary bytes) - waypoint longitude (4 binary bytes) mvar - magnetic variation at waypoint (2 binary bytes)

  • Page 154: Table D-2. Type 2 Output Sentence Format

    Table D-2 describes the Type 2 output sentence item designator (id), sequence number (seq), waypoint identifier (wpt), waypoint latitude (lat), waypoint longitude (lon), and magnetic variation at waypoint (mvar) fields. Table D-2. Type 2 Output Sentence Format Field Byte Format Description 7 6 5 4 3 2 1 0 ASCII character 'w' (77 hex)

  • Page 155: Appendix E 400W Series Rs-232 Fuel/Air Data Input Format

    <CR> carriage return (0x0d) Note: Checksum is calculated by adding each byte in the message (1 through 14). E.3 Icarus Altitude Sentence The Garmin 400W Series units are capable of receiving the following 10-byte message from the Icarus Altitude Serializer: ALT<sp>12345<CR>...

  • Page 156: Shadin Fuel Flow Sentence

    E.4 Shadin Fuel Flow Sentence The Garmin 400W Series units are capable of receiving the following 55-byte message from the Shadin Fuel Flow Indicator: <STX>K0543.2<sp>0100.0<sp>0040.0<sp>0060.0<sp>0123.4<sp>0045.4<sp>0078.0<sp>123<ETX> Where: <STX> start-transmit character (0x02) units designation (i.e., Gallons, Liters, Kilograms, B[pounds]) 0543.2 total fuel remaining (i.e., ASCII-coded decimal format: 0x30, 0x35, 0x34, 0x33, 0x2e, 0x32) <sp>...

  • Page 157: Shadin Fuel/Air Data Computer Sentence

    E.6 Shadin Fuel/Air Data Computer Sentence The Garmin 400W Series units are capable of receiving the following message strings from the Shadin Fuel/Airdata or Airdata Computer: SHADIN “z” FORMAT <STX> ZA012<CR><LF> "ZA" (ASCII characters); "012" represents indicated Air Speed (knots) ZB345<CR><LF>...
  • Page 158 SHADIN “G” FORMAT <STX> GA012<CR><LF> "GA" (ASCII characters); "012" represents indicated Air Speed (knots) GB345<CR><LF> "GB" (ASCII characters); "345" represents true Air Speed (knots) GC678<CR><LF> "GC" (ASCII characters); "678" represents Mach Speed (thousandths) GD<+/->9012<CR><LF> "GD" (ASCII characters); sign; "9012" represents pressure altitude (tens of feet) GE<+/->3456<CR><LF>...
  • Page 159 SHADIN “S” FORMAT <STX> SA012<CR><LF> "SA" (ASCII characters); "012" represents indicated Air Speed (knots) SB345<CR><LF> "SB" (ASCII characters); "345" represents true Air Speed (knots) SC678<CR><LF> "SC" (ASCII characters); "678" represents Mach Speed (thousandths) SD<+/->9012<CR><LF> "SD" (ASCII characters); sign; "9012" represents pressure altitude (tens of feet) SE<+/->3456<CR><LF>...
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  • Page 161: Appendix Fmechanical Drawings

    Figure F-1. 400W Series Mounting Rack Dimensions Figure F-2. GNS 430W Mounting Rack Installation Figure F-3. GNC 420W Mounting Rack Installation Figure F-4. GPS 400W Mounting Rack Installation Figure F-5. 400W Series Recommended Panel Cutout Dimensions 400W Series Installation Manual...
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  • Page 163 DIMENSIONS MODEL GPS 400W 2.85 [72.4] 4.6 [117] 1.2 [30.5] GNC 420W 3.05 [77.5] 4.8 [122] 1.3 [33] GNS 430W 3.05 [77.5] 4.9 [124] 1.4 [35.6] Figure F-1. 400W Series Mounting Rack Dimensions 400W Series Installation Manual Page F-3 190-00356-02...
  • Page 164 Figure F-2. GNS 430W Mounting Rack Installation Page F-4 400W Series Installation Manual Rev. G 190-00356-02...
  • Page 165 Figure F-3. GNC 420W Mounting Rack Installation 400W Series Installation Manual Page F-5 190-00356-02 Rev. G...
  • Page 166 Figure F-4. GPS 400W Mounting Rack Installation Page F-6 400W Series Installation Manual Rev. G 190-00356-02...
  • Page 167 Figure F-5. 400W Series Recommended Panel Cutout Dimensions 400W Series Installation Manual Page F-7 190-00356-02 Rev. G...
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  • Page 169: Audio Panels

    Appendix G APPROVED EQUIPMENT The following tables list equipment that can be interfaced with the Garmin 400W Series units. This is not a complete listing however; it only represents those units that are approved under 400W/500W Series AML STC SA01933LA, with any exceptions noted by the appropriate table. When installing equipment on the aircraft always refer to the manufacturers’...

  • Page 170: Altitude Serializer Or Fuel/Air Data

    Altitude Serializer or Fuel/Air Data Altitude serializers/encoders not listed below can still be approved under 400W/500W Series AML STC SA01933LA if all of the following conditions are met: The altitude serializer/encoder is TSO approved; The installation of the altitude serializer/encoder was previously FAA-approved; The interface check for the altitude serializer/encoder described in section 5.4.4 (serial interface) or 5.4.5 (parallel / gray code interface) must be successfully completed.

  • Page 171: Autopilots

    GPS and RNAV approaches with GPS/WAAS-based vertical guidance (LNAV+V, L/VNAV and LPV modes on the 400W series unit) are not authorized when coupled to the autopilot). NOTE Contact Garmin to remove VNAV limitations. Mfr. Model Data Format...

  • Page 172: Encoding Altimeter Or Blind Encoder (Gray Code

    EFIS Displays Manufacturer Model Data Format Notes 400W/500W Series G600 ARINC 429 software version 3.10 or Garmin (GDU 620) RS-232 later is required. 400W/500W series software version 3.00 or later is required. EFS 40/50 SG 465 software 1101 or Honeywell (Bendix/King)

  • Page 173: Iru/Ahrs

    KI 525A KPI 552/B KPI 553/A/B NSD 360A Century NSD 1000 331A-6P Collins 331A-9G PN101 (331A-3F/3G) GI 102/A Garmin GI 106/A S-TEC ST 180 RD 444 Sperry RD 550A RD 650 MD222-402 Mid Continent MD222-406 G.10 Weather, Traffic and Terrain...

  • Page 174: Dme

    G.11 DME Manufacturer Model Data Format Notes RTA-476A KN61 Parallel Slip Code KN62/62A Parallel 2x5 or King Serial KN63/KDI 572/KDI 574 King Serial Honeywell (Bendix/King) KN64 King Serial KN65 Parallel Slip Code KDM 706/KDI 572/KDI 574 King Serial DME 40 Parallel 2x5 Collins DME 42...

  • Page 175: Multifunction Displays

    “Aviation” format for MX20 version 5.6 and later. (MX20 will not accept GPS MX20 RS-232 altitude even though it is part of Garmin “Aviation” format). “MapMX” format for MX20 version 5.6 or later. [1] GMX 200 RS-232 “Aviation” format “MapMX”...
  • Page 176 This page intentionally left blank Page G-8 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 177: Appendix Hstc Approved Installation Diagrams

    Figure H-1. 400W Series System Interface Diagram Figure H-2. GNS 430W Typical Installation Figure H-3. GNC 420W Typical Installation Figure H-4. GPS 400W Typical Installation Figure H-5. Power, Lighting, and Antenna Interconnect Figure H-6. Gray Code Altimeter Interconnect Figure H-7. Main Indicator Interconnect Figure H-8.
  • Page 178 This page intentionally left blank Page H-2 400W Series Installation Manual Rev. G 190-00356-02...
  • Page 179 Figure H-1. 400W Series System Interface Diagram 400W Series Installation Manual Page H-3 190-00356-02 Rev. G...

  • Page 180: Figure H-2. Gns 430W Typical Installation

    Figure H-2. GNS 430W Typical Installation Sheet 1 of 2 Page H-4 400W Series Installation Manual Rev. G 190-00356-02...
  • Page 181 Figure H-2. GNS 430W Typical Installation Sheet 2 of 2 400W Series Installation Manual Page H-5 190-00356-02 Rev. G...

  • Page 182: Figure H-3. Gnc 420W Typical Installation

    Figure H-3. GNC 420W Typical Installation Sheet 1 of 2 Page H-6 400W Series Installation Manual Rev. G 190-00356-02...
  • Page 183 Figure H-3. GNC 420W Typical Installation Sheet 2 of 2 400W Series Installation Manual Page H-7 190-00356-02 Rev. G...

  • Page 184: Figure H-4. Gps 400W Typical Installation

    Figure H-4. GPS 400W Typical Installation Sheet 1 of 2 Page H-8 400W Series Installation Manual Rev. G 190-00356-02...
  • Page 185 Figure H-4. GPS 400W Typical Installation Sheet 2 of 2 400W Series Installation Manual Page H-9 190-00356-02 Rev. G...

  • Page 186: Figure H-5. Power, Lighting, And Antenna Interconnect

    Figure H-5. Power, Lighting, and Antenna Interconnect Sheet 1 of 3 Page H-10 400W Series Installation Manual Rev. G 190-00356-02...
  • Page 187 Figure H-5. Power, Lighting, and Antenna Interconnect Sheet 2 of 3 400W Series Installation Manual Page H-11 190-00356-02 Rev. G...
  • Page 188 Figure H-5. Power, Lighting, and Antenna Interconnect Sheet 3 of 3 Page H-12 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 189: Figure H-6. Gray Code Altimeter Interconnect

    Figure H-6. Gray Code Altimeter Interconnect 400W Series Installation Manual Page H-13 190-00356-02 Rev. G...

  • Page 190: Figure H-7. Main Indicator Interconnect

    Figure H-7. Main Indicator Interconnect Page H-14 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 191: Figure H-8. Ki 209A Main Indicator Interconnect

    Figure H-8. KI 209A Main Indicator Interconnect 400W Series Installation Manual Page H-15 190-00356-02 Rev. G...

  • Page 192: Figure H-9. Ki 208A Main Indicator Interconnect

    Figure H-9. KI 208A Main Indicator Interconnect Page H-16 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 193: Figure H-10. Rs-232 Serial Data Interconnect

    Figure H-10. RS-232 Serial Data Interconnect Sheet 1 of 2 400W Series Installation Manual Page H-17 190-00356-02 Rev. G...
  • Page 194 Figure H-10. RS-232 Serial Data Interconnect Sheet 2 of 2 Page H-18 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 195: Figure H-11. Arinc 429 Efis Interconnect

    Figure H-11. ARINC 429 EFIS Interconnect Sheet 1 of 2 400W Series Installation Manual Page H-19 190-00356-02 Rev. G...
  • Page 196 H-11. ARINC 429 EFIS Interconnect Sheet 2 of 2 Page H-20 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 197: Figure H-12. Arinc 429 Sandel Ehsi Interconnect (One 400W Series Unit, One Sandel Sn3308

    Figure H-12. ARINC 429 Sandel EHSI Interconnect (One 400W Series Unit, One Sandel SN3308) Sheet 1 of 2 400W Series Installation Manual Page H-21 190-00356-02 Rev. G...
  • Page 198 Figure H-12. ARINC 429 Sandel EHSI Interconnect (One 400W Series Unit, One Sandel SN3308) Sheet 2 of 2 Page H-22 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 199: Figure H-13. Arinc 429 Sandel Ehsi Interconnect (Two Gns 430W, One Sandel Sn3308)

    Figure H-13. ARINC 429 Sandel EHSI Interconnect (Two GNS 430W, One Sandel SN3308) Sheet 1 of 2 400W Series Installation Manual Page H-23 190-00356-02 Rev. G...
  • Page 200 Figure H-13. ARINC 429 Sandel EHSI Interconnect (Two GNS 430W, One Sandel SN3308) Sheet 2 of 2 Page H-24 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 201: Figure H-14. Arinc 429 Sandel Ehsi Interconnect (Two Gns 430W, Two Sandel Sn3308

    THE TWO GNS 430W/TWO SN3308s CONFIGURATION IS CURRENTLY NOT SUPPORTED Figure H-14. ARINC 429 Sandel EHSI Interconnect (Two GNS 430W, Two Sandel SN3308) 400W Series Installation Manual Page H-25 190-00356-02 Rev. G...

  • Page 202: Figure H-15. Arinc 429/Rs-232 Air Data/Iru/Ahrs Interconnect

    Figure H-15. ARINC 429/RS-232 Air Data/IRU/AHRS Interconnect Sheet 1 of 2 Page H-26 400W Series Installation Manual Rev. G 190-00356-02...
  • Page 203 Figure H-15. ARINC 429/RS-232 Air Data/IRU/AHRS Interconnect Sheet 2 of 2 400W Series Installation Manual Page H-27 190-00356-02 Rev. G...

  • Page 204: Figure H-16. Traffic Advisory System Interconnect

    Figure H-16. Traffic Advisory System Interconnect Sheet 1 of 2 Page H-28 400W Series Installation Manual Rev. G 190-00356-02...
  • Page 205 Figure H-16. Traffic Advisory System Interconnect Sheet 2 of 2 400W Series Installation Manual Page H-29 190-00356-02 Rev. G...

  • Page 206: Figure H-17. Gtx 330 Interconnect

    Figure H-17. GTX 330 Interconnect Page H-30 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 207: Figure H-18. Weather And Terrain Interconnect

    Figure H-18. Weather and Terrain Interconnect Sheet 1 of 2 400W Series Installation Manual Page H-31 190-00356-02 Rev. G...
  • Page 208 Figure H-18. Weather and Terrain Interconnect Sheet 2 of 2 Page H-32 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 209: Figure H-19. Audio Panel Interconnect

    Figure H-19. Audio Panel Interconnect Sheet 1 of 2 400W Series Installation Manual Page H-33 190-00356-02 Rev. G...
  • Page 210 Figure H-19. Audio Panel Interconnect Sheet 2 of 2 Page H-34 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 211: Figure H-20. Vor/Ils Indicator Interconnect

    Figure H-20. VOR/ILS Indicator Interconnect 400W Series Installation Manual Page H-35 190-00356-02 Rev. G...

  • Page 212: Figure H-21. Rmi/Obi Interconnect

    Figure H-21. RMI/OBI Interconnect Page H-36 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 213: Figure H-22. King Serial Panel Dme Tuning Interconnect

    Figure H-22. King Serial Panel DME Tuning Interconnect 400W Series Installation Manual Page H-37 190-00356-02 Rev. G...

  • Page 214: Figure H-23. King Serial Remote Dme Tuning Interconnect

    Figure H-23. King Serial Remote DME Tuning Interconnect Page H-38 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 215: Figure H-24. Parallel 2 Of 5 Dme Tuning Interconnect

    Figure H-24. Parallel 2 of 5 DME Tuning Interconnect 400W Series Installation Manual Page H-39 190-00356-02 Rev. G...

  • Page 216: Figure H-25. Bendix/King Analog Autopilot Interconnect

    Figure H-25. Bendix/King Analog Autopilot Interconnect Page H-40 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 217: Figure H-26. Century Autopilot Interconnect

    Figure H-26. Century Autopilot Interconnect Sheet 1 of 2 400W Series Installation Manual Page H-41 190-00356-02 Rev. G...
  • Page 218 Figure H-26. Century Autopilot Interconnect Sheet 2 of 2 Page H-42 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 219: Figure H-27. S-Tec Autopilot Interconnect

    Figure H-27. S-TEC Autopilot Interconnect Sheet 1 of 2 400W Series Installation Manual Page H-43 190-00356-02 Rev. G...
  • Page 220 Figure H-27. S-TEC Autopilot Interconnect Sheet 2 of 2 Page H-44 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 221: Figure H-28. Arinc 429 Sandel Ehsi Interconnect (One 400W, One Sandel Sn3500

    Figure H-28. ARINC 429 Sandel EHSI Interconnect (One 400W, One Sandel SN3500) Sheet 1 of 2 400W Series Installation Manual Page H-45 190-00356-02 Rev. G...
  • Page 222 Figure H-28. ARINC 429 Sandel EHSI Interconnect (One 400W, One Sandel SN3500) Sheet 2 of 2 Page H-46 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 223: Figure H-29. External Navigation Source And Gps Annunciators

    EXTERNAL NAVIGATION SOURCE SELECTION ANNUNCIATORS STACO INDICATOR CONNECTION VLOC (WHITE) GARMIN (GREEN) 400W/420W/430W P4001 VLOC VLOC ANNUNCIATE LAMP VOLTAGE FROM DIMMER CIRCUIT GPS ANNUNCIATE NAV/GPS INDICATOR VIVISUN INDICATOR CONNECTION (WHITE) VLOC GARMIN (GREEN) 400W/420W/430W P4001 VLOC VLOC ANNUNCIATE LAMP VOLTAGE FROM...
  • Page 224 EXTERNAL GPS ANNUNCIATIONS MID-CONTINENT ACU CONNECTION MD41-14xx MID-CONTINENT MD41-xxxx GPS ACU -1484W -1404A/1408A -1464A/1474A GARMIN 1470 -1488W -1414A/1418A -1468A/1478A 400W/420W/430W P4001 VLOC ANNUNCIATE VLOC ANN GPS ANNUNCIATE GPS ANN WAYPOINT ANNUNCIATE WPT ANN TERMINAL ANNUNCIATE TERM ANN APPROACH ANNUNCIATE APR ANN...

  • Page 225: Figure H-30. Parallel Slip Code Dme Tuning Interconnect

    Figure H-30. Parallel Slip Code DME Tuning Interconnect 400W Series Installation Manual Page H-49 190-00356-02 Rev. G...

  • Page 226: Figure H-31. Cessna Autopilot Interconnect

    Figure H-31. Cessna Autopilot Interconnect Page H-50 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 227: Figure H-32. Bendix Autopilot Interconnect

    Figure H-32. Bendix Autopilot Interconnect 400W Series Installation Manual Page H-51 190-00356-02 Rev. G...

  • Page 228: Figure H-33. Switches Interconnect

    Figure H-33. Switches Interconnect Page H-52 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 229: Figure H-34. Arinc 429 Avidyne Pfd/Mfd Interconnect

    Figure H-34. ARINC 429 Avidyne PFD/MFD Interconnect Sheet 1 of 2 400W Series Installation Manual Page H-53 190-00356-02 Rev. G...
  • Page 230 Figure H-34. ARINC 429 Avidyne PFD/MFD Interconnect Sheet 2 of 2 Page H-54 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 231: Figure H-35. Collins Autopilot Interconnect

    Figure H-35. Collins Autopilot Interconnect 400W Series Installation Manual Page H-55 190-00356-02 Rev. G...

  • Page 232: Figure H-36. Garmin Gad 42 Interconnect

    Figure H-36. Garmin GAD 42 Interconnect Page H-56 400W Series Installation Manual Rev. G 190-00356-02...

  • Page 233: Figure H-37. Garmin G600 Interconnect

    Figure H-37. Garmin G600 Interconnect 400W Series Installation Manual Page H-57 190-00356-02 Rev. G...
  • Page 234 This page intentionally left blank Page H-58 400W Series Installation Manual Rev. G 190-00356-02...

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