The Invisible Wake That Can Flip an Airliner

The Invisible Wake That Can Flip an Airliner

Share this story You cannot see it, and that is exactly what makes it dangerous. Behind every aircraft that is making lift trail two invisible tornadoes of spinning air — wake turbulence. Fly into the wake of a big jet at the wrong moment and a smaller aircraft...
Why a Jet Engine Coughs

Why a Jet Engine Coughs

Share this story It usually announces itself with a bang — a sharp, cannon-like crack from the engine, sometimes a tongue of flame out the intake or exhaust, and a stomach-dropping sag in thrust. To a passenger it sounds like the engine has exploded. Usually, it...