"Right about that time, we hit some really severe turbulence, and ... several people flew up and hit the ceiling of the plane and then were immediately slammed down to the floor of the plane, " first class passenger Jeff Hornback told KPLC.

CNN: Severe turbulence injures five

There is also a photo of Pope Paul VI stepping off a plane, and another of actress Jayne Mansfield sprawled on a floor after fainting before a battery of flashbulb-popping photographers.

CNN: Includes a single photo of Princess Diana

Michael Massaroli, 38, was working for Cantor Fitzgerald on the 101st floor of the North Tower on September 11, 2001, when a jet plane slammed into the floors beneath him.

CNN: Death of bin Laden brings healing to old wounds

If you happen to be pilot on a trans-Atlantic flight, the consequences can be much more serious -- like mistaking the planet Venus for another plane and sending the plane you're piloting into a dive that slammed passengers into the ceiling and back to the floor.

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When the first plane hit on September 11, 2001, I was at Lehman Brothers, at work on the 20th floor of the World Financial Center.

FORBES: Where Were You On 9/11?