Accident investigators are scrutinizing an unsecured cockpit door as a causal factor in the fatal crash of an RV-10 into a factory in Fullerton, California.

A door was apparently not fully closed on a homebuilt airplane that crashed in Southern California earlier this month.

The door to a pilot's plane appeared to be ajar as it took off from Fullerton Airport, moments before it crashed into a ...

The Pan Am Flight 103 from Heathrow to New York exploded just 38 minutes into its journey over Lockerbie, killing 270 people ...