NTSB CAROL · Event
Event ANC96LA151
Aircraft involved
Probable cause & findings
The loss of engine power for an undetermined reason. Factors associated with the accident are the soft terrain and brush in the airstrip overrun area.
Factual narrative
On September 8, 1996, about 1745 Alaska daylight time, a wheel equipped Cessna 150 airplane, N7909Z, sustained substantial damage following a loss of engine power and subsequent forced landing at the Willow Airport, Willow, Alaska. The solo private certificated pilot was not injured. The local, 14 CFR Part 91 flight operated in visual meteorological conditions without a flight plan. The flight departed Merrill Field, Anchorage, Alaska, about 1645. During an interview with the NTSB investigator-in-charge on September 10, the pilot related that she was practicing touch and go landings on runway 13 at the uncontrolled Willow Airport. During the initial climb following the (approximate) fourth takeoff, at an estimated altitude of 300 to 400 feet above the ground, the pilot reported the engine suddenly lost partial power, and then regained power quickly. The engine lost power once again, and then quit. The pilot said she was able to land on the overrun area near the south end of runway 13. The airplane rolled for a short distance in low brush and soft terrain, and then slowly nosed over. The pilot indicated the airplane had ample fuel, and that she had activated the carburetor heat on the downwind pattern leg when abeam the approach end of the runway. The airplane's engine was removed from the airframe and placed on a mobile engine stand at Alaska Aircraft Engines, Anchorage, Alaska. The engine was supplied with fresh gasoline and started. It started and ran without any observed anomalies. Present at the engine run were the NTSB investigator-in-charge, and Federal Aviation Administration inspector Craig Johnson. The pilot reported she was practicing touch and go landings at an uncontrolled, gravel airstrip. After the third or fourth touch and go, during the initial climb at an estimated altitude of 300 to 400 feet above the ground, the airplane's engine surged, lost partial power, and then quit. The pilot said she was able to land the airplane on the overrun area at the departure end of the airstrip, but could not stop it from entering low brush and soft terrain, where it nosed over. The pilot said the airplane had ample fuel, and that she had applied the carburetor heat while on downwind. The engine was removed from the airframe and placed on an engine test stand. It started and ran without any observed mechanical anomalies. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1996_ANC96LA151.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). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- Semantic Scholar 2021 · Article (Scientific Reports)
Cloud icing by mineral dust and impacts to aviation safety
Ice particles in high-altitude cold clouds can obstruct aircraft functioning. Over the last 20 years, there have been more than 150 recorded cases with engine power-loss and damage caused by tiny clou…
- 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…
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