Accident Details
On an unspecified date, a twin-engine airplane conducting a local aerial photogrammetry mission for the Rio Acaraú project lost control in flight and crashed into a wooded area. The aircraft was totally destroyed in the impact. All four occupants—two crew members and two engineers—were killed.
Occupants
The crew consisted of pilot Alfredo Sender and navigator Henrique Presgrave, a co-founder of Prospec. Passengers were engineers José de Almeida and John Mirstik.
Probable Cause
According to official findings, the loss of control was believed to be the consequence of an aileron failure in flight.