On June 16, 1986, a North American NAVION A (registration N91608) was involved in an aviation accident near San Jose, CA. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
Approximately 10 minutes after takeoff, the aircraft's engine failed, prompting a forced landing that ended with a collision with a utility pole. Post-accident inspection revealed the fuel selector was on the auxiliary tank, while the main tanks remained full.
Narrative
Approximately 10 minutes after departure, the aircraft experienced an engine failure. The pilot initiated a forced landing, during which the aircraft struck a utility pole.
Post-Accident Findings
Following the accident, an inspection of the aircraft's fuel system revealed that the fuel selector valve was positioned on the auxiliary fuel tank. The main fuel tanks were found to be full of fuel. When the engine was subsequently tested using fuel from the main tank, it started and ran normally. However, when the auxiliary tank was selected, the engine operated for only 17 seconds before stopping.