Five Navy Avenger bombers get lost off Florida and a rescue plane vanishes too. The loss becomes the founding story of the Bermuda Triangle legend.
Contested history
Consensus: On 5 December 1945 five Navy Avenger bombers on a training flight got lost off Florida, and a PBM Mariner sent to search for them was also lost.
Navigation error and fuel exhaustion over the seaEstablished
Radio logs show the flight leader believed he was over the Florida Keys and led the planes the wrong way until fuel ran out.
The search plane exploded in flightEstablished
A passing ship reported a fireball where the Mariner should have been, and the type was known for fuel-vapor leaks.
The Bermuda Triangle has unusual or paranormal dangersDebunked
NOAA and the Coast Guard find no evidence of more disappearances there than in other busy ocean areas.