Garmin GTX 335 as WAAS source for G5

JScarry

Pre-takeoff checklist
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JScarry
On the Aircraft Spruce website the FAQ for the GTX 335 says that a software update is in the works for using the 335 as a WAAS source for a G5. According to the Garmin website, they are on version 2.12 now. Does anyone know if the updates allow it to be used as a WAAS source?

Can you use the Garmin GTX 335 output RS232 as a certified WAAS GPS source for the G5 installation?
The GTX 335 transponder w/ GPS will be able to pass the GPS data directly to the G5 as long as it is running software version 2.10 or later, but per Garmin the software update for the 335 to enable this for certified installations is not yet available.​
 
Yes, Garmin confirmed this to me in an email last week. The Aspen E5 must receive its position from a panel mounted GPS, which I don’t have, so this sealed the deal for me on the G5. Plus they are in process of interfacing with TruTrak (according to TT).
 
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