LAX94LA164
1994-03-16 · SELMA, California, United States · Minor · 1 aircraft · Status: Completed
Airport 0Q4
Aircraft involved
Probable cause & findings
THE PILOT'S IMPROPER USE OF THE FUEL SUPPLY WHICH ALLOWED THE ENGINE TO SUSTAIN FUEL STARVATION, AND HIS FAILURE TO FOLLOW THE EMERGENCY CHECKLIST BY NOT USING THE ELECTRICAL FUEL BOOST PUMP. THE ENGINE FUEL STARVATION WAS A FACTOR IN THIS ACCIDENT.
Factual narrative
On March 16, 1994, at 0845 hours Pacific standard time (PST), a Piper PA-24-250, N7541P, experienced a total loss of engine power and collided with a tree about one-quarter mile east of runway 28 at Selma Airport, Selma, California. The pilot was conducting a visual flight rules business flight to Fresno Air Terminal, Fresno, California. The airplane, registered to and operated by Producers Livestock Market Association, Yuma, Arizona, sustained substantial damage. The certificated commercial pilot/certified flight instructor and the passenger received minor injuries. Visual meteorological conditions prevailed. The flight originated at Yuma, Arizona, at 0615 hours PST. The pilot submitted a Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1/2, to the National Transportation Safety Board. In the report, the pilot indicated that the engine sustained a total loss of power at cruise flight at 8,500 feet mean sea level. He immediately began the emergency checklist that included switching the fuel tank selector valve to various positions, but without success. The pilot was unable to restart the engine. During the approach, the pilot observed a "...large lone tree standing almost on the extended centerline of the runway." Realizing that the airplane's altitude was insufficient to make the runway, the pilot elected to strike the tree in a nose-up attitude. The pilot also indicated in the report that he occupied the right front seat. Mr. Gene Sweet, Principal Airworthiness Inspector, Federal Aviation Administration (FAA), Fresno [California] Flight Standards District Office, conducted the on-scene investigation on March 16, 1994. Inspector Sweet reported that an aircraft mechanic said the airplane sustained a total loss of power. After responding to the accident, the mechanic assisted in the removal of the aircraft. Before removing the airplane, the mechanic observed that the fuel selector valve handle was set to the right auxiliary tank. The mechanic repositioned the selector valve handle to the off position and reported that the auxiliary fuel tank was empty. Inspector Sweet said that he found no fuel in the carburetor. The registered owner's insurance adjuster told the Safety Board investigator in a telephone interview conducted on April 22, 1994, that the engine operated normally during the postaccident engine run-up. He also said the passenger told a mechanic conducting the engine run-up that the pilot did change the fuel selector position, but during this time he never reached across him. According to the insurance adjuster, the boost pump switch is located on the left lower side of the instrument panel. The Piper PA-24-250 Owner's Handbook, page 32, states, in part: "The most common cause of engine failure is mismanagement or malfunction of the fuel system...." It then states that "...If changing to the opposite fuel tank does not restore the engine (1) Check fuel pressure and turn on electric fuel pump, if off..." THE PILOT OCCUPYING THE RIGHT FRONT SEAT ALLOWED THE ENGINE TO SUSTAIN A TOTAL LOSS OF POWER DUE TO FUEL STARVATION. WHILE EXECUTING THE EMERGENCY CHECK LIST, THE PILOT DID NOT TURN ON THE ELECTRICAL FUEL PUMP AS REQUIRED. THE ENGINE OPERATED NORMALLY DURING THE POSTACCIDENT RUN-UP. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1994_LAX94LA164.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
Matched on aircraft type or causal vocabulary (fuel starvation, engine failure). All research papers
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- NASA NTRS 2019 · Technical Memorandum (TM) A simulator investigation of engine failure compensation for powered-lift STOL aircraft
A piloted simulator investigation of various engine failure compensation concepts for powered-lift STOL aircraft was carried out at the Ames Research Center.
- Semantic Scholar 2019 · Article (AIAA Scitech 2019 Forum) Impact of Engine Failure Constraints on the Initial Sizing of Hybrid-Electric GA Aircraft
Potential advantages of hybrid-electric aircraft are fuel savings, lower emissions, and reduced noise. Since these aircraft generally apply multiple power sources, they can also be designed to sustain…