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"During the descent from 12,000 feet to 6,000 feet, the aircraft groundspeed remained between 500 - 520 knots. As the aircraft made it's descent to 1000 feet, it accelerated (there goes Zaphod58's hypothesis about self propulsion at level flight on final approach) and impacted World Trade Center tower #2 at approximately 510 knots groundspeed.
Wrong Plane Proof
510 knots is the airspeed claimed for "UA175", by radar.. (as an airspeed, because the wind was light heading N/W, it would be about 515 knots)
So, dearest reader, consider that those who believe a standard 767 can fly at 510 knots near sea level and remain stable/controllable, MUST also accept that the same airplane can fly in a controlled fashion, even in a dive,
- at 722 knots at 22,000 feet... or Mach 1.19, and 915 knots at 35,000 feet...or Mach 1.38 heading for 1.39 or 1.4 at 38,000 ft.
[I can't post in 911 forum but I'm fine asking here in the Hoax bin.]
I keep seeing people referring to the plane that hit the South Tower as coming down out of a dive. But in all the videos I recall, it is flying nearly level as far away as it can be seen. I think there may be a slight drop over the river before it pulls up but not a dive. And if the flight data recorder wasn't recovered, how would anyone know the altitude farther away before it was seen?