What happened
The incident involved an aircraft operated by the Reconnaissance Group II/35, which was based at Lyon-Bron. The crew was conducting a scheduled flight from Lyon-Bron to Marseille-Marginane when the accident occurred. While overflying the Perdrialon Valley, the aircraft lost control and subsequently crashed in Bathernay. This location is situated approximately 30 km north of Valence in the Drôme department. All five individuals on board were killed in the crash.
Findings
The source material does not provide specific technical findings or a detailed probable cause statement beyond the fact that the aircraft went out of control during flight.