A snippity exchange between the crew of an American Airlines 767 and the Kennedy Airport control tower on Wednesday concluded when the plane made an emergency landing.
How does Boeing test the braking limits on the largest aircraft they've ever built? File the brake pads down to the rivets, load up the plane to nearly a million pounds, gun the engines to 200 mph, then mash the brakes as hard ...
One would think that an aircraft with additional engines would provide even better performance on normal takeoffs, but the extra engines actually reduces it.