Originally Posted by
Bergerie1
You could both open and close the DV window on a 707 - same mechanism and shape as the 737. I've done it so I know, and that was at 250kts. But I'm not so sure about being able to wipe the windscreen clean!!
I've done it many times on both airplanes (well, KC-135 instead of a real 707). Wind resistance to closing is negligible. I didn't put my hand outside, though! I think maybe slowing, with some flaps down, would reduce the risk of losing an arm, considerably
