In 1999, a private jet carrying golfer Payne Stewart and five others crashed after apparently losing cabin pressure "for undetermined reasons" after takeoff from Florida, the National Transportation Safety Board found.

CNN: SHARE THIS

To fight surgical infections, often caused by harried doctors forgetting to administer preoperative antibiotics, the hospital initiated a pre-op pause, like the one for pilots before a takeoff: Everyone stops for 30 seconds to make sure all safety steps have been taken.

FORBES: Magazine Article

The Dubai-bound Boeing 747-400 operated by National Air Cargo crashed just after takeoff Monday from Bagram Air Base around 11:20 a.m. local time, the National Transportation Safety Board said in a statement Tuesday.

NPR: Company IDs 7 Killed In Afghanistan Plane Crash