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Garmin shopping list for RV8A
Could someone please suggest to me how they would equip the ideal IFR Garmin panel? I printed off their product sheets but there are so many options that Im confused. Thanks
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I think the current minimum is:
G3X for EFIS G5 for backup GLwhatever-650 for navigator Standard nav/comm for 2nd radio Transponder for ADSB But I'm just trying to sort it out as well, so someone who actually knows something might chime in and correct me. |
Can you remote mount the transponder and a comm with the ability to operate them from the G3?
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I think this one came out nice...
G3X Touch 460, GTN650, G5, GTR20, GMA245, GTX45R, GMC507, GSA28 servos, GAD29, GAD27, Dual GSU25 ADAHRS ![]() |
I agree, how necessary is dual AHARS?
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How about dual nav/comms? Seems like radios are so good these days that one would be OK?
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(If you're IFR that is) |
Great Panel!
I have a functionally similar panel in m 7A (except no remote devices and dual G3X Touch displays). That is exactly how I would build an 8.
It is at a minimum very convenient (and safer) to have two comm radios. I always need to get weather or listen in to Tower/CTAF before being dumped into busy airspace under IFR. Requesting to leave current ATC frequency to do these things is not realistic to me. I have two and really wouldn't consider going with just one. It's also a great idea to keep 121.5 tuned the second radio while enroute for those days when you miss a call on frequency or you don't get the call before you run out of coverage on the current frequency. They'll find you on 121.5. With dual GSU AHRS and the G5 (built-in AHRS) you end up with at least 3 attitude sources in this setup. Walt will have to chime in on the AHRS count as there may also be a "back up" AHRS in the GTX that can be used on a Garmin portable or an Ipad as a 4th attitude source if really needed. Andy |
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But having dual GSU25's tied to the G3X also gives you AHRS comparison and fall back capability. If one of the GSU's fail the G3X automaticallly switches to the back up and give you an message that you are now on AHRS #2. The units are also comparing data and will give you a message if something is out of tolerence between the 2. The G5 will also provide AHRS info to the G3X if both GSU25's fail but is not part of the data comparison like the GSU25's do. Audio panel with dual coms, yea really convenient to have, this gives you 4 freq's available at the touch of a buttom along with the convenience of listening/monitoring things while not leaving your primary freq. I use the audio panel a lot, wouldn't be without one these days. |
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