People are on a plane hit turbulance and aomethin about their noppleganger

Flying at 40,000 feet in a state-of-the art aircraft that she helped design, Kyle Pratt's 6-year-old daughter Julia vanishes without a trace. Or did she? No one on the plane believes Julia was ever onboard. And now Kyle, desperate and alone, can only count on her own wits to unravel the mystery and save her daughter.

A passenger of a hijacked airliner who happens to be an airplane engineer works to deactivate a chemical weapons bomb after the hijackers kill the pilot and threaten to kill all the passengers on the plane.

As the plane slowly makes its descent, a young couple is faced with their differences through sudden pockets of turbulence.

From assembled security camera footage we witness the tragedy of Flight 780 where passengers and crew descend into madness after experiencing strange atmospheric conditions as they suspect a hidden, horrific presence may now be on board.

A flight attendant's inner turmoil is triggered on a late night flight.