[JRjr]

If he came in at 4 times the speed of norman planes, he’d have to touched down at about 400 mph. I think a normal jetlines corsses the fence about 120 knots.

[Moonman62]

If he came in at 4 times the speed of norman planes, he’d have to touched down at about 400 mph.

A plane would have to go in nose first to "land" at that speed.