Flight Details
The pilot and a passenger were conducting a local flight with the intention of flying to the San Joaquin River Delta. Their objective was to observe and photograph a break in the river's level, as well as the passenger's boat.
Accident Sequence
Based on witness accounts, the aircraft was circling the area when it struck unmarked power lines that traversed the river. After the impact, the aircraft struck the water and sank. The aircraft was later recovered.
Post-Accident Examination
An examination of the aircraft and its engine disclosed no evidence of preexisting malfunction or failure that would have affected the plane's performance.
Pilot Certification
The pilot did not possess a current medical certificate.