Aerial video on Saturday showed investigators at the scene of a medevac plane crash in Philadelphia. The plane crashed 30 seconds after take-off in Philadelphia on Friday with a child and five others on board, the air ambulance company that operated it said, adding that it had not confirmed any survivors. Jet Rescue Air Ambulance, based in Mexico and licensed to operate in the U.S., said its aircraft crashed with four crew members, one pediatric medical patient and the patient's mother on board.