NTSB CAROL · Event
Event SEA92LA062
Registry · N4021K
FAA Aircraft Registry record.
Make / Model
NORTH AMERICAN NAVION
TCDS
A-782 · SIERRA HOTEL AERO INC
Seats / Engines
4 seats · 1 engine
ADS-B equipped
Yes — Mode-S A4B694
Registrant of record
NORTHWEST NAVION INC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
FUEL STARVATION, IMPROPER FUEL, IMPROPER AIRCRAFT SERVICING (FUELING), AND CLEARANCE NOT POSSIBLE. FACTORS CONTRIBUTING TO THE ACCIDENT WERE: NO SUITABLE TERRAIN, LOW CEILINGS, DUSK AND TREES.
Factual narrative
SHORTLY AFTER COMMENCING A DESCENT, AND SEVERAL MINUTES AFTER SWITCHING FROM THE 'AUX' TO 'MAIN' FUEL TANKS, THE FUEL PRESSURE DROPPED TO ZERO AND THE ENGINE QUIT. THE PILOT WAS UNABLE TO ACCOMPLISH A RESTART AND EXECUTED A FORCED LANDING. UPON BREAKING OUT OF A 500 FOOT OVERCAST DURING DUSK CONDITIONS AND OVER AN OCCUPIED ROAD AND WOODED TERRAIN, THE PILOT MANEUVERED THE AIRCRAFT AWAY FROM THE ROAD TOWARDS THE ONLY SUITABLE LANDING AREA AVAILABLE. THE AIRCRAFT COLLIDED WITH TREES DURING THIS MANEUVER. POST CRASH EXAMINATION BY THE FAA REVEALED NO MECHANICAL MALFUNCTION WITHIN THE FUEL SYSTEM. THE PILOT REPORTED DEPARTING MOSES LAKE, WASHINGTON, WITH 20 GALLONS OF 80/87 OCTANE FUEL IN THE 'AUX' FUEL TANK AND A 50/50 MIX OF 100 LOW LEAD AND AUTOMOTIVE GASOLINE IN THE 'MAIN' TANK. RESEARCH INTO THE ISSUANCE OF AN STC FOR AUTOMOTIVE GASOLINE IN THE NAVION WAS NOT PURSED DUE TO A FINDING OF 'SEVERE VAPOR LOCK' DURING ITS USE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1992_SEA92LA062.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 (icing, fuel starvation). 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 · Contractor Report (CR)
Icing Physics Studies Using the 3D SIDRM Test Article: 2023 Icing Tests Analysis
In-flight icing is an important safety issue and is a factor that affects aircraft design and performance. Newer regulations are driving a need for improvements in airframe and engine icing simulation…
- arXiv 2025 · arXiv preprint
Multi-Agent Deep Reinforcement Learning for UAV-Assisted 5G Network Slicing: A Comparative Study of MAPPO, MADDPG, and MADQN
The growing demand for robust, scalable wireless networks in the 5G-and-beyond era has led to the deployment of Unmanned Aerial Vehicles (UAVs) as mobile base stations to enhance coverage in dense urb…
- Embry-Riddle Scholarly Commons 2025 · Journal article (JAAER)
A Mathematical Model on the Temporal Dynamics of Aviation Competitive Pricing
This study investigates the competitive dynamics of airport pricing using U.S. airport data to validate the findings. It employs linear and nonlinear ordinary differential equation models to analyze t…
- NASA NTRS 2025 · Presentation
NASA Icing Update – March 2025
This NASA Icing Update was prepared for presentation to the SAE International AC-9C Inflight Icing Technology Committee. This update includes the following topics: planned Rotational Icing Scaling tes…
- arXiv 2024 · arXiv preprint
An energy-stable phase-field model for droplet icing simulations
A phase-field model for three-phase flows is established by combining the Navier-Stokes (NS) and the energy equations, with the Allen-Cahn (AC) and Cahn-Hilliard (CH) equations and is demonstrated ana…
- NASA NTRS 2024 · Presentation
NASA Icing Update – Oct 2024
This presentation provides a status update on select NASA icing research activities for the SAE AC-9C Icing Technical Committee Meeting on Oct 21, 2024.
Browse the full corpus — academia portal ↗