What happened
During a scheduled joint training mission, three Douglas A-26 Invader aircraft belonging to the Groupe de Bombardement 2/91 Guyenne were operating out of Cazaux AFB. The formation was engaged in a combined exercise involving all three planes when a mid-air collision occurred between the aircraft.
The sequence of events following the impact led to the loss of all three planes involved in the incident. One member of the flight crew managed to successfully eject from his aircraft prior to its impact with the ground. However, the remaining two aircraft crashed into a nearby field. The accident resulted in seven fatalities among the aircrews.
Findings
The exact circumstances surrounding how the collision between the three aircraft took place remain undetermined.