How about one thats not certified for 4,000?--a reasonable amount.No doubt this setup was inspired buy homebuilt cockpit enthusiasts.

13,000 + 4,000 = 17,000
Flight Simulator and other chat
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https://forums.simviation.com/phpBB3/viewtopic.php?f=10&t=28403
How about one thats not certified for 4,000?--a reasonable amount.
I miss an impportant thing... gauges. I could imagine FAA registration for basic IFR training for this, but without gauges.
regards
Norbert