ANC93LA014
1992-11-11 · EKWOK, Alaska, United States · Serious · 1 aircraft · Status: Completed
Airport KEK
Aircraft involved
Probable cause & findings
THE PILOT FAILED TO MAINTAIN AIRSPEED AND INADVERTENTLY STALLED THE AIRPLANE. CONTRIBUTING TO THE ACCIDENT WERE THE PILOTS IMPROPER IN FLIGHT PLANNING/DECISION, HER INTENTIONAL FLIGHT INTO KNOWN ADVERSE WEATHER, AND THE FOG AND ICING CONDITIONS.
Factual narrative
THE AIR TAXI PILOT LOST CONTROL OF THE AIRPLANE AND CRASHED DURING THE SECOND ABORTED VFR APPROACH. WHILE THE PILOT SAID VFR CONDITIONS EXISTED, HER PASSENGERS, AND WITNESSES ON THE GROUND SAID THE VISIBILITY WAS LESS THAN ONE MILE. THE PASSENGERS SAID THE AIRPLANES WINDSHIELD AND WINGS WERE ACCUMULATING ICE BEFORE AND DURING THE APPROACHES. THE PILOT COULD SEE OUTSIDE ONLY BY LOOKING OUT THE SIDE WINDOWS. ONE PASSENGER SAID THAT DURING THE SECOND APPROACH, HE TAPPED THE PILOT ON HER SHOULDER AND TOLD HER THAT THE RUNWAY WAS ON THE RIGHT SIDE OF THE AIRPLANE, AND POINTED TO IT. HE FURTHER SAID THAT THE PILOT THEN DID A VERY STEEP RIGHT TURN TOWARD THE RUNWAY, DURING WHICH THE AIRPLANE SHUDDERED VIOLENTLY, STALLED AND FELL TO THE GROUND. THE PILOT SAID THE ENGINE WOULD ONLY DELIVER PARTIAL POWER DURING THE SECOND ABORTED APPROACH. PASSENGERS AND PERSONS ON THE GROUND SAID THE ENGINE SOUNDED LIKE IT WAS DEVELOPING FULL POWER. DURING POST ACCIDENT DISASSEMBLY OF THE ENGINE, NO PROBLEMS WERE FOUND THAT WERE CONSIDERED CAUSAL TO A PARTIAL POWER LOSS. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1992_ANC93LA014.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 (icing, stall). All research papers
- 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 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…
- NASA NTRS 2019 · Contractor Report (CR) An Evaluation of an Analytical Simulation of an Airplane with Tailplane Icing by Comparison to Flight Data
This report presents the assessment of an analytical tool developed as part of the NASA/FAA Tailplane Icing Program. The analytical tool is a specialized simulation program called TAILSM4 which was de…
- NASA NTRS 2019 · Technical Publication (TP) NASA/FAA Tailplane Icing Program: Flight Test Report
This report presents results from research flights that explored the characteristics of an ice-contaminated tailplane using various simulated ice shapes attached to the leading edge of the horizontal …
- NASA NTRS 2019 · Other [Tail Plane Icing]
The Aviation Safety Program initiated by NASA in 1997 has put greater emphasis in safety related research activities. Ice-contaminated-tailplane stall (ICTS) has been identified by the NASA Lewis Icin…
- Embry-Riddle Scholarly Commons 2019 · Journal article (IJAAA) Airport Policing in Pakistan: Structure, Training, and Issue
Airports are strategically and economically important installations of any country. Airports are the gateway of any country and any incidents at these gateways may harm the very aspects of a country i…