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Garmin GAD 29 ARINC 429 Interface
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MFR Model# 010-01172-20
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Overview
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The GAD 29C 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 GTX 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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Reviews
Does what it’s supposed to do but frustrating (and costly) that an adapter is needed to make a modern Garmin GPS “talk” to other same era Garmin equipment. Couldn’t they make the GPS communicate directly on CAN buss without a “translator” to use ARINC 429 signals? (I guess not?)
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Garmin GAD 29C Arinc 429 Interface
Verified Purchase
Garmin GAD 29C Arinc 429 Interface
Verified Purchase
Garmin GAD 29C Arinc 429 Interface
Verified Purchase
Garmin GAD 29C Arinc 429 Interface
All present and accounted for....not installed yet.
Does what is required but be sure you get the right box. The less expensive one is experimental only. Does exactly the same thing as the more expensive, PMA’d version.
Q&A
Please note, Aircraft Spruce'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. Aircraft Spruce 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.
No, it does not. Please see part # 11-11455 for the GAD 29 connector kit.
The Garmin G5 can directly connect to the GNS 420 thru the RS232 port, a GAD 29 is not required.
Yes, the GAD29B enables NAV features
If your aircraft is certified you will need the GAD 29B. This part is PMA'd certified where the GAD 29 is for experimental aircraft using a G3X system. Functionally they are the same.
Per the manufacturer, the GAD29 only has the GPS/Navigation interface. The GAD29B adds the autopilot interface.
Yes, per the installation manual Rev 9, a GAD 29 is required for installation for a G3X.
When interfacing a compatible autopilot to the G5, the Gad29B will be needed.
The GAD27 is meant for several different options to be connected to one module. such as flap control or wig wag lights. Where as the GAD29 is meant to convert RS232 signals to ARINC429.
The dimensions are: 6.10 x 1.4 8x 3.23 inches (without connectors. The weight is 0.7 lbs. The current draw is 0.2 amps with 14V and 0.1 Amps with 28V
The GAD 29 is an ARINC 429 module for the G5. If they want course guidance (CDI needles, glideslope, etc.) to show up on the G5 from the GPS 175, they will need the GAD 29.
However, if they are only going to be using the Dynon for course guidance, the GAD 29 is not necessary.
