Fatal Crash During Post-Maintenance Test Flight (CP-536)

Incident Overview and Context The aircraft was conducting a local test flight following a six-month maintenance period. At the time of the incident, the aircraft was carrying a total of twelve personnel, consisting of nine technicians and three pilots. The flight was in the initial climb phase after takeoff when the accident occurred. The specific aircraft type, registration, operator, date, and location are not provided in the source material. ## Accident Sequence and Outcome During the initial climb, the airplane stalled and subsequently crashed. The impact resulted in the destruction of the aircraft. Four occupants were killed in the crash, while eight others sustained injuries. The source does not specify the exact cause of the stall or the crash beyond the stall event.