Exit doors cannot be opened while the plane is in the air, they say, and doors to cockpits have been hardened and locked since the Sept. 11, 2001, terror attacks.
"It's not possible to open an aircraft door in-flight, and cockpit doors have been reinforced," says American Airlines spokesman Ed Martelle.
Former Federal Aviation Administration security director Billie Vincent says he has no idea and no theories for "this outbreak of insanity" by passengers.
The latest incident occurred Tuesday night on a flight from Orlando to Boston. Massachusetts police say they arrested 43-year-old Robert Hersey after his alleged attempt to open an emergency door on a Delta Air Lines Airbus A320. Passengers say he had been drinking and appeared upset when the flight was late."The report I saw indicated that the Delta passenger was drunk, but why try to open a door in-flight?" Vincent asks. (read more)


