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It might not be safe, either. IFR GPS's have an extra quality/geometry
"monitoring" algorithm called RAIM that VFR units don't have. It's possible that you'd be OK, but it's also possible that you won't and wouldn't know about it. True enough, but I'm comparing my AvMap to my King VOR -- not to an IFR-certified GPS. With my AvMap I am able to taxi to my hangar without looking out the windows. I wouldn't want to try *that* using my VORs... :-) Thus, comparing apples to apples, I'm positive I could fly a much safer and more accurate non-precision instrument approach (which is all we have here) into Iowa City using my AvMap, even though it's technically illegal. Still, it's nice to have the capability on board, in case of an emergency. But I sure wouldn't do it routinely, as was the case of the pilot in Roger's example. -- Jay Honeck Iowa City, IA Pathfinder N56993 www.AlexisParkInn.com "Your Aviation Destination" |
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