NTSB CAROL · Event
Event SEA06LA130
Registry · N243K
FAA Aircraft Registry record.
Make / Model
AERONCA 7AC
Year of manufacture
1946 · 60 years old at event
Engine
LYCOMING 0-235 SERIES (115 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
19910508
ADS-B equipped
Yes — Mode-S A23C05
Registrant of record
JEFFRYES RICHARD B
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The loss of engine power for undertermined reasons. Conditions for carburetor icing were present at the time of the accident. Factors included the fence and the berm.
Factual narrative
On June 28, 2006, approximately 1144 Pacific daylight time, an Aeronca 7AC airplane, N243K, was substantially damaged during a forced landing near Snohomish, Washington. The airplane was registered to and operated by a private individual. The certificated airline transport pilot, sole occupant of the airplane, was seriously injured. Visual meteorological conditions prevailed for the personal flight, which was conducted in accordance with 14 CFR Part 91, and a flight plan was not filed. The airplane had departed Harvey Field, Snohomish, Washington, approximately 15 minutes prior to the accident. According to the Pilot/Operator Aircraft Accident/Incident Report (NTSB Form 6120.1/2), and in telephone conversations with the NTSB investigator-in-charge (IIC), the pilot reported that he had completed one takeoff and landing on Runway 32R, which was uneventful. The pilot stated that on the second takeoff, while climbing through approximately 400 feet above the ground, the airplane experienced a total loss of engine power. The pilot reported that he then initiated a 180-degree turn to the left in an attempt to land on Runway 14R. The pilot further reported that after touching down on the turf runway with a tailwind and about 300 feet from the end of the runway, he observed that there wasn't enough runway to stop and the braking was not sufficient. The pilot stated that the airplane went through a fence bordering the runway on the south before crossing the airport perimeter road and impacting a berm, which resulted in the airplane nosing over and coming to rest inverted. In a report filed with a local law enforcement agency, a witness stated that while at the airport watching airplanes taking off she noticed the accident airplane taking off and then heard the engine "sputter quite loudly." The witness reported she then lost sight of the airplane and did not see it physically land or crash. On July 10, 2006, the IIC and a Federal Aviation Administration airworthiness inspector performed a detailed examination of the wreckage. The examination of the engine and airplane failed to reveal any anomalies which would have precluded normal operations. At 1153, the weather reporting station at Paine Field, Everett, Washington, located approximately 7 nautical miles west of the accident site, reported wind calm, visibility 10 statute miles, sky clear, temperature 17 degrees C, dew point 10 degrees C, and an altimeter setting of 30.11 inches of Mercury. According to the Carburetor Icing Probability chart, the temperature and dew point spread indicated moderate icing was possible at cruise power or serious icing at descent power. No mechanical malfunctions were reported by the pilot. After taking off and approximately 400 feet above the ground, the airplane experienced a total loss of engine power. An emergency landing was attempted, which resulted in the airplane overruning the end of the runway, impacting a fence and a berm, and nosing over. Meteorological conditions at the time were conducive for carburetor icing. No mechanical malfunctions were reported by the pilot, and an examination of the airplane and engine by representatives from the NTSB and the FAA failed to reveal any anomalies which would have precluded normal operations. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2006_SEA06LA130.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.
- 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 ↗