Helicopters can be as dangerous as they are valuable, in part because of a phenomenon called rotor wash. What is rotor wash, ...

Mast bumping is something that can occur with some types of helicopters. Here's exactly what it is, what causes it, and how ...

Eyewitnesses Describe Deadly N.Y.C. Helicopter Crash: 'Falling Apart' and 'Spinning Pretty Fast' Before Hitting Water "Literally I just see a helicopter splitting in two with the rotor flying off ...

Video shows the spinning rotors separating in midair from the fuselage. By Jeff Wise , a science journalist and private pilot. He is also the co-host of the podcast 'Finding MH370.' ...