NTSB CAROL · Event
Event LAX92LA216
Aircraft involved
Probable cause & findings
THE INADEQUATE INSTALLATION OF THE ENGINE OIL TEMPERATURE/PRESSURE TRANSDUCER BY THE PILOT/OWNER THAT RESULTED IN A FATIGUE FAILURE OF THE TRANSDUCER MOUNTING FITTING IN THE ENGINE OIL SYSTEM. THE SOFT LANDING SURFACE AND THE MOUNTAINOUS TERRAIN IN WHICH THE AIRPLANE LANDED WERE FACTORS IN THE ACCIDENT.
Factual narrative
AFTER ASSEMBLING THE HOME BUILT AIRCRAFT THE CO-OWNER/PILOT INSTALLED AN ALUMINUM FITTING BETWEEN THE ENGINE CASE AND A HEAVY TRANSDUCER. THE FITTING THAT ATTACHED THE TRANSDUCER TO THE ENGINE FAILED AFTER 31 HOURS OF OPERATIONS WHILE THE AIRCRAFT WAS IN CRUISE FLIGHT OVER MOUNTAINOUS TERRAIN. THE FAILURE RESULTED IN THE LOSS OF ENGINE OIL AND THE ENGINE SEIZED. THE PILOT ATTEMPTED TO LAND THE AIRCRAFT ON A SOFT SURFACE IN MOUNTAINOUS TERRAIN. THE LANDING GEAR SANK INTO THE SOFT EARTH DURING THE LANDING ROLL AND THE AIRCRAFT NOSED OVER ON ITS BACK. A METALLURGICAL EXAMINATION OF THE FITTING DISCLOSED THAT THE FAILURE RESULTED FROM FATIGUE. THE HEAVY TRANSDUCER SHOULD HAVE BEEN MOUNTED TO THE ENGINE OR AIRFRAME WITH FLEXIBLE OIL LINES THAT WOULD ENDURED THE VIBRATIONS THAT ARE INHERENTLY ASSOCIATED WITH THE RECIPROCATING ENGINE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1992_LAX92LA216.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
What the literature says.
Academic papers and agency reports matching this event's aircraft type or causal vocabulary (stall). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- Embry-Riddle Scholarly Commons 2021 · Journal article (IJAAA)
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Public opinion is critical to the future of United States (US) space ventures as it can affect factors such as funding and legislation.
- NASA NTRS 2026 · Conference Paper
Computational Analysis of Steady State Aerodynamics of Transonic Truss-Braced Wing Configuration in Deep Stall
This study presents a computational investigation of steady state aerodynamics of the Subsonic Ultra-Green Aircraft Research (SUGAR) Transonic Truss-Braced Wing (TTBW) configuration over a wide range …
- arXiv 2023 · arXiv preprint
Automating Bird Diverter Installation through Multi-Aerial Robots and Signal Temporal Logic Specifications
This paper tackles the task assignment and trajectory generation problem for bird diverter installation using a fleet of multi-rotors.
- arXiv 2023 · arXiv preprint
Variation of Critical Crystallization Pressure for the Formation of Square Ice in Graphene Nanocapillaries
Two-dimensional square ice in graphene nanocapillaries at room temperature is a fascinating phenomenon and has been confirmed experimentally.
- arXiv 2023 · arXiv preprint
Polycrystallinity enhances stress build-up around ice
Damage caused by freezing wet, porous materials is a widespread problem, but is hard to predict or control. Here, we show that polycrystallinity makes a great difference to the stress build-up process…
- arXiv 2022 · arXiv preprint
Enhanced Prediction of Three-dimensional Finite Iced Wing Separated Flow Near Stall
Icing on three-dimensional wings causes severe flow separation near stall. Standard improved delayed detached eddy simulation (IDDES) is unable to correctly predict the separating reattaching flow due…
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