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Atlas / NTSB / LAX90LA156

NTSB CAROL · Event

Event LAX90LA156

1990-04-27 APPLE VALLEY, California, United States Airport · APV Serious 1 aircraft Status: Completed

Aircraft involved

Probable cause & findings

FUEL CONTAMINATION AND THE PILOT'S FAILURE TO MAINTAIN AIRSPEED WHILE MANEUVERING.

Factual narrative

THE AIRCRAFT EXPERIENCED A LOSS OF POWER DURING THE TAKEOFF INITIAL CLIMB AND CRASHED WHILE ATTEMPTING A RETURN TO AIRPORT MANEUVER. FAA INSPECTORS EXAMINED THE AIRCRAFT AND ENGINE. NO DISCREPANCIES WERE FOUND WITH THE ENGINE. THE RIGHT FUEL CAP WAS FOUND TO HAVE A BADLY DETERIORATED 'O' RING, AND WATER WAS FOUND IN THE RIGHT FUEL TANK. THE FUEL SELECTOR WAS FOUND POSITIONED TO THE RIGHT TANK. WITNESSES ON THE AIRPORT REPORTED THAT THE PILOT WASHED THE AIRCRAFT BEFORE THE FLIGHT. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1990_LAX90LA156.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type or causal vocabulary (fuel contamination). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗