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Originally Posted by Futterman  I'd think that one would have to be quite hopped up to consider starting a descent through the MDA over the numbers... |
Mostly yes, although with many pistons you could do it with a 6,000 ft runway. Remember, too, that you have the option to circle if you get the airport environment in sight even very late.
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Instead, consider the fact that Visual Descent Points ensure a normal 3-degree glide path from a specific point along the MDA. Wouldn't this be a more prudent choice of location for executing a missed approach?
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For jets, probably so, but pistons can easily achieve a descent angle twice that, so it would be unduly restrictive for us. Plus, not all NPA's have VDP's.
You certainly can go missed at the VDP, as long as you don't turn until you reach the MAP.