NTSB CAROL · Event
Event DEN90LA065
Aircraft involved
Probable cause & findings
THE PILOT FLEW THE AIRCRAFT WITH AN IMPROPER MODIFICATION TO THE FUEL SYSTEM, WHICH RESULTED IN A FUEL LEAK AND SUBSEQUENT FIRE.
Factual narrative
THE PILOT REPORTED THAT WHEN HE STARTED THE ENGINE, IT WOULD NOT RUN PROPERLY UNLESS THE FUEL BOOST PUMP WAS ON. WHILE TROUBLE SHOOTING THE PROBLEM, HE INSTALLED A PRESSURE GAUGE IN THE LINE FROM THE ENGINE DRIVEN FUEL PUMP. AFTER ADJUSTING THE FUEL PRESSURE, HE DECIDED TO FLY THE AIRPLANE AND LEFT THE GAUGE INSTALLED. SHORTLY AFTER TAKEOFF, THE PILOT SMELLED FUEL FUMES AND LANDED IMMEDIATELY. DURING THE LANDING ROLL, A FIRE DEVELOPTED IN THE AREA OF THE RUDDER PEDALS. THE PILOT EXITED THE AIRCRAFT AFTER LANDING, AND IT WAS CONSUMED BY FIRE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1990_DEN90LA065.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.
- 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…
- Embry-Riddle Scholarly Commons 2021 · Journal article (JAAER)
Analysis on the Negative Emotional, Physiological, and Cognitive Responses Elicited from of the Activation of a Stall Alarm
Failing to identify an aerodynamic stall can lead to the inability of an aircraft to sustain flight. To warn pilots of an impending or fully-developed stall, many aircraft have safety devices installe…
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