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Garmin GAD 29B Unit Only FAA-PMA

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Part# 11-19455
MFR Model# 010-01172-11


GAD 29 is an affordable ARINC 429 avionics data bus module that can be used to interface up to 2 IFR-capable GPS navigators with the G3X, G3X Touch and G5 series electronic flight displays. It can also be used to adapt the GTS 800 series active traffic system for use with G3X and G3X Touch displays.

This compact GPS/navigation data adapter, when installed with the GTN 750 or GTN 650 series or legacy GNS 530 or GNS 430 navigators, can enable such advanced features as GPS steering, WAAS LPV vertical approach guidance, HSI map navigation, coupled VNAV and more for access via your compatible flight display system.

The ARINC 429 interface is the most commonly used data bus for high-end general aviation and commercial aircraft. The GAD 29 module leverages this network interface to offer an affordable way for pilots flying experimental/LSA aircraft to expand the capabilities of their avionics and access the latest and best in IFR capabilities from their GTN or GNS series GPS navigators.
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  • Small, lightweight ARINC 429 data bus module
  • Integrates with G3X, G3X Touch and G5 Series electronic flights displays
  • Provides interface with IFT-capable GTN and GNS series navigators
  • Interfaces with up to 2 GTN or GNS navigators; can also adapt the GTS 800 active traffic system for use with G3X and G3X Touch displays
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Best way to add on more to your panel. Excellent way to comunícate between standard avionics and new digital ones.

Airsports I Verified Purchase


March 23, 2023


Please note,'s personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: What is the primary difference between the B and D units?

GAD 29B/D are technically one and the same in form and function, we are only receiving GAD 29B at the moment but they do the same thing.

Q: For experimental G3X Touch do I need a GAD 29B to run auto pilot on G5 or will the GAD 29 be enough to run the auto pilot?

Yes, a GAD 29B will be needed to run a Garmin Autopilot or non Garmin Autopilot.