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#1
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Help & Advice on an avionics upgrade path
Hello All :-)
Some of you may remember from an earlier thread that i'm in the process of a very deep restoration of a P337H Riley Rocket that I pulled out of a salvage yard in the Netherlands last year. The aircraft has been re-registered on the N-Registry and will be under Part 91 rules. We're about 18 months away (i'd guess) from starting an avionics fit out and I wanted to start the research process into how exactly to go about it. What's my target Other than my incredibly analogue Yak 52, the other aircraft that I fly a lot is a Diamond DA42 which is G1000 and GFC700 equipped. It's an extremely powerful tool and i'm a big fan of the Garmin ecosystem. In an ideal world, i'd like to put in the aircraft: - 2x 10.5" G600TXI's - 1x GTN750 XI - EIS TXI (+7" display) - GFC700 - G5 AI/DI + All the other associated remote transponder and radio and interactive (flight stream) gubbins. I'm not unrealistic around the cost of such things :-) However I just wanted some advice as to whether you think that it's practical to do this sort of thing under field approval/337 (especially the GFC) or whether i'm being a bit unrealistic. I also need to find somebody to do this with us in Europe (South East of the UK) as we don't necessarily have a local FAA office we can work with :-D Before somebody ask's 'What's your mission and why do you want all this stuff' For completeness... :-) I have a hole in my diary in about 3 years time where i'm planning to take a year out and travel the world in this aircraft. I'd like to bring it back across to the United States, do some of the big fly in's with you fine people and then go down into South America. On a day to day basis i'd use this aircraft to fly between the UK & France (about an 1.5h each way in the air) Any thoughts or advice? Kind Regards 
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#3
12-02-20, 04:45 PM
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No se si es el mejor juego
I’m on my 3rd 337 (69D, 73G, 77G) and have been happy with the factory autopilot (if not working well there are still shops that fix them and can do it with just the units, off the aircraft). If field approval is an issue, it’s something to consider, plus it will save you money. In my current aircraft I have a Garmin GTN650 (touch) and a GTX335 ADS-B along with my Cessna autopilot, so some new and some old. The autopilot has served me well on several very long trips, including one from Miami to Idaho, almost at the other extreme of the country. Perhaps others might jump in here and share views on this, especially if they disagree.
Ernie
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#5
12-14-20, 05:04 PM
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Autopilots Central
Looking at the options, it would be $25k++ ish to put in a new autopilot.
The airplane is soooooo stable I hardly use it at all, but... I took out the servos (wing panels), the brain (over rear most seats), and control head (by knee), wire tied their airframe connectors so they couldn't hang anything up, and sent to autopilots central to bench debug the whole thing. About $5k. Works like new. Pretty much the only thing I ever use it for is straight and level, with bearing and altitude hold. Mostly just to play with it. Simply tweak heading knob until the projected 50mi track vector on my GPS overlies the next place I want to be, and presto.
__________________
David Wartofsky Potomac Airfield 10300 Glen Way Fort Washington, MD 20744
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#6
12-15-20, 07:18 AM
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Quote:
__________________
P337H Sn: 0318. Under restoration
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#7
12-15-20, 08:56 PM
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Using an original 400A autopilot I believe is not authorized with the Garmin WAAS navigators for LPV approaches. My understanding is the 400B is approved for LPV.
Dan
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#8
12-21-20, 02:21 PM
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Quote:
Source for this? First I have heard of it.
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#9
12-21-20, 06:37 PM
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The 400A can be used for LNAV minimums, however, LPV minimums, are not authorized. Attached is a page out of the 530W installation manual rev E.
Dan
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#10
12-21-20, 06:54 PM
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Quote:
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#11
12-21-20, 07:13 PM
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My Rev M. Manual has the same info.
Dan
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#13
12-22-20, 11:07 AM
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Talking with Billy today, engineer at Garmin, we can’t get LPV minimums with the 400A autopilot, LNAV minimums only. The 400B that is approved is a different animal compared to the 400A.
Dan
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#14
12-22-20, 11:10 AM
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Quote:
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#15
12-22-20, 11:22 AM
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I'd also like to lean on fellow Skymaster owners for advice on basic upgrades. VFR pilot looking to finish off Instrument.
I don't anticipate flying in heavy soup with low ceilings. Really just to get out, maybe on top with relatively decent weather at destination..or just won't go. Plan to set pretty moderate personal minimums another words. 1973 "G" model, currently has: Stec 55x w CWS GNC300XL KN64DME KR87 ADF 2 MX-170B with KI209A Glideslopes KT76A transponder with Avionix Tail beacon Strikefinder Eaton Annunciation push switches to control what feeds autopilot, glideslopes, etc. I use Stratus 2 and Fore-flight Thinking for training (and usefulness) to add Waas/GPS capability. Am looking at adding one of following: Garmin GPS175 Garmin GNC355 Garmin GNX375 Probably a G5 HSI or AV30 Have thought about a used 430 or 530, but for what they cost along with installation thought it might be better to go with a unit mentioned above. Obviously can dump the GNC300 and tail beacon if need be and likely the ADF. All input appreciated  )
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