Casualties unknown

1988-11-20: Cessna 175 (N6641E) — Haley, Clay E. — Tracy, CA

Tracy, CA, US

On November 20, 1988, a Cessna 175 (registration N6641E) operated by Haley, Clay E. was involved in an aviation accident near Tracy, CA. Investigators recorded the probable cause as: The pilot's failure to maintain adequate fuel, resulting in fuel exhaustion, while operating without a pilot certificate or medical certificate. 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 was found abandoned and nosed over shortly before reaching its destination. The owner, who lacked both a pilot certificate and medical clearance, had exhausted the fuel supply.

What happened

The aircraft was discovered in a nosed-over position, having come to rest short of the intended airport. Upon arrival at the scene, investigators identified the owner of the airplane as the individual operating it at the time of the incident. However, records confirmed that this individual did not hold a valid pilot certificate nor a current medical certificate required for flight operations. Following the accident, the operator departed the site immediately without filing the mandatory accident report.

The investigation

A physical inspection of the wreckage was conducted to determine the mechanical status of the aircraft at the time of impact. Examination of the fuel systems revealed that the fuel tanks were completely exhausted. There was no evidence of fuel remaining in the tanks, indicating that the engine had ceased operation due to lack of power source rather than mechanical failure.

Findings

The primary factors contributing to this accident include the fuel exhaustion which led to the loss of engine power and subsequent control. Additionally, the operator's decision to fly without holding a pilot license or medical certificate represented a significant regulatory violation that likely contributed to the unsafe outcome. The failure to file an accident report further complicated the immediate post-accident process.

Safety message

Pilots must ensure they hold appropriate certificates and medical documentation before operating aircraft. Furthermore, adequate fuel planning is essential to prevent exhaustion during flight operations.

Probable cause

The pilot's failure to maintain adequate fuel, resulting in fuel exhaustion, while operating without a pilot certificate or medical certificate.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X27287. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.