Casualties unknown

2006-05-15: Grumman G-164B (N8981H) — Tracy, CA

Tracy, CA, US

On May 15, 2006, a Grumman G-164B (registration N8981H) was involved in an aviation accident near Tracy, CA. Investigators recorded the probable cause as: loss of power for undetermined reasons. 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

A pilot reported a partial loss of engine power during takeoff, leading to a forced landing in a field where the aircraft nosed over. Post-accident examination found no mechanical anomalies, but control continuity was unconfirmed.

Accident Details

During the takeoff and initial climb, the engine experienced a partial loss of power. The airplane was unable to climb, and the pilot executed a forced landing in a field. The aircraft nosed over during the forced landing. Prior to impact, the pilot attempted to jettison the pesticide load but did not have sufficient time to fully manipulate the dump controls. The airplane came to rest inverted.

Pilot Account

According to the pilot, the engine suffered a partial power loss during the takeoff-initial climb, preventing the airplane from climbing. He attempted to jettison the pesticide load, but the airplane struck the ground before he could complete the action. The aircraft then came to rest inverted.

Post-Accident Examination

A Federal Aviation Administration airworthiness inspector examined the engine, propeller, and propeller governor after the accident. No mechanical anomalies were found. However, due to the damage sustained in the accident, control continuity between the cockpit control and the propeller governor could not be confirmed. The inspection did not reveal any preexisting mechanical issues.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20060523X00608. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.