Incident Overview
On February 16, 1986, at 1515 Pacific Standard Time, a Swift GC-1B aircraft, registration N80561, was involved in an accident following a forced landing. The aircraft collided with terrain during the landing event.
Sequence of Events
After taking off, when the aircraft reached approximately 400 feet above ground level, the engine began to run rough. The aircraft was unable to maintain altitude. Due to traffic on the runway, an on-airport landing was not possible. The pilot conducted a forced landing off the airport in rough terrain.
Inspection Findings
Post-accident inspection of the aircraft revealed foreign object debris (FOD) in the vapor return line from the fuel pump to the fuel cell.
Probable Cause
The probable cause of the accident was foreign object debris in the vapor return line from the fuel pump to the fuel cell.