Casualties unknown

1986-06-05: Boeing A75N1 (N62763) — Gustaf Friesen — Sonoma, CA

Sonoma, CA, US

On June 5, 1986, a Boeing A75N1 (registration N62763) operated by Gustaf Friesen was involved in an aviation accident near Sonoma, CA. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 1781061362Data APIEditorial standards

An aircraft collided with a pole while on final approach, crashing in a flooded field. The pilot reported head injuries and no recall of the accident after the strike. Engine examination revealed rust and a seized magneto; propeller damage was noted. The engine ran normally after maintenance.

Accident Sequence

While on final approach, the aircraft collided with a pole and subsequently crashed into a flooded field. The exact circumstances leading to the collision remain unclear due to the pilot's inability to recall details after the impact.

Pilot Statement

The pilot reported that he had flown a 20-minute local VFR flight prior to the accident. He stated that he suffered head injuries and was unable to remember any details of the accident after the aircraft struck the pole.

Engine Examination

Examination of the engine revealed minor impact damage, along with mud and rust deposits. The right magneto was found to be rusted shut, preventing normal operation.

Propeller Examination

Inspection of the propeller showed one blade bent forward and the other blade damaged as a result of a strike.

Post-Accident Engine Test

The engine was removed and run on a test stand after the engine oil was changed and the right magneto replaced. The engine operated without any problems during the test.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X33906. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.