NTSB Preliminary report on HPN crash

Gary Drescher wrote:


But he was still a mile out when he crashed. Well above the DA, he'd have to
have been fully below the glideslope, which calls for an immediate
missed-approach execution. The DA has no relevance in that situation.

--Gary


Yes, he would have been well below the theoretical glideslope elevation
a mile out (GS elev at that point is approx 812 MSL), but if for some
reason (GS malfunction, undetected false glideslope, equipment problem)
he thought he was on the glideslope, then he probably would not have
initiated go-around until the 639 MSL DA, which would have been too late
based on the elevation of the terrain.
If the 200 AGL ceiling was at the same MSL (839) elevation at the crash
site, then it was only about 20' AGL at the crash site elevation.
Hopefully the final report will shed more light on what happened, as all
we can do is guess.

JPH