The disappearance of Malaysia Airlines flight 370 is prompting many theories.
Among them are parallels between the missing plane and the SilkAir Flight 185 that crashed in December of 1997.
Missing Malaysia airliner: Questions and answers
That flight, heading from Indonesia to Singapore, suddenly dove vertically into the Musi River killing everyone on board.
The National Transportation Safety Board, whiched worked with the Indonesian team on the investigation, concluded that the pilot committed suicide.
Kyung Lah is OutFront with the story.