NTSB CAROL · Event
Event SEA94LA015
Aircraft involved
Probable cause & findings
POOR IN-FLIGHT PLANNING/DECISION AND AN INADVERTENT STALL/SPIN. A FACTOR TO THE ACCIDENT WAS AN EXCESSIVE PULL-UP.
Factual narrative
HISTORY OF FLIGHT
On October 10, 1993, at 0805 Pacific daylight time, a Varga 2150A, N5074V, collided with the terrain shortly after takeoff from a private airstrip located 70 miles south of Burns, Oregon. Visual meteorological conditions prevailed at the time and no flight plan was filed for the local flight. The airplane was destroyed and the certificated private pilot, the sole occupant, was fatally injured. Some witnesses at the fly-in reported that the airplane had just taken off, while others stated that the airplane had made a few low passes over the airstrip. During the last pass, all of the witnesses stated that the airplane was travelling at a high rate of speed (approximately 100 miles per hour) and low level, when it suddenly pulled nearly straight up and attained an altitude of several hundred feet. The witnesses stated that it kept climbing at a high angle of attack until it seemed to stop climbing. The nose of the airplane then dropped and the attitude of the airplane momentarily leveled off horizontal to the ground. The nose of the airplane then dropped near vertical to the horizon and the airplane spun to the left. The airplane collided with the terrain in a nose down attitude. One witness reported that the engine was at idle power during the descent, while another reported that the engine was "wide open."
PERSONNEL INFORMATION
The pilot's flight logbook indicates that the first flight in the Varga was on October 8, 1991, and all flights since that date were in the Varga. The last logged flight was on October 1, 1992. At that time, the logbook indicates a total flight time of 302 hours in all types of airplanes. The total flight time in the Varga was listed as 42 hours. In a written statement, a friend of the pilot's stated that in the past year he had flown with the pilot approximately 20 to 25 hours, with 10 hours in the last 90 days prior to the accident. The Federal Aviation Administration Medical records indicate that the pilot held a Class III medical certificate dated October 22, 1990, with a limitation for corrective lenses. On October 23, 1992, the pilot was denied the reissuance of a medical certificate due to evidence of coronary artery disease. The FAA does not show an update to the October 23, 1992, medical records.
WRECKAGE AND IMPACT INFORMATION
A Federal Aviation Administration Inspector from the Hillsboro, Oregon, Flight Standards District Office inspected the airplane and reported that control continuity was established from the elevator to the cockpit controls. The tubing was bent and one break in the system was noted near the center of the airplane. The elevators were free to move and unobstructed. The engine was examined and found that the propeller broke away as a unit from the crankshaft in the area of the front main bearing. The propeller blades were straight. Further examination did not reveal evidence to indicate a mechanical failure or malfunction.
MEDICAL AND PATHOLOGICAL INFORMATION
The autopsy was performed by the Central Oregon Pathology Consultants, Bend, Oregon. The report stated that the heart was severely damaged and evaluation of the coronary arteries was not possible. Toxicological samples were sent to the Federal Aviation Administration Civil Aeromedical Institute, Oklahoma City, Oklahoma, for analysis. The result of the analysis was negative findings. WHILE MANEUVERING OVER THE AIRSTRIP AT LOW LEVEL AND HIGH SPEED, WITNESSES OBSERVED THE AIRPLANE SUDDENLY PULL NEARLY STRAIGHT UP AND HOLD A HIGH ANGLE OF ATTACK UNTIL THE AIRPLANE WOULD NOT CLIMB ANY FURTHER. THE NOSE OF THE AIRPLANE THEN DROPPED AND IT STARTED A SPIN TO THE LEFT. THE AIRPLANE REMAINED IN THIS ATTITUDE UNTIL COLLISION WITH THE TERRAIN. NO EVIDENCE WAS FOUND TO INDICATE A MECHANICAL FAILURE OR MALFUNCTION. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1993_SEA94LA015.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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