NTSB CAROL · Event
Event SEA04LA152
Aircraft involved
Probable cause & findings
The pilot's inadequate preflight preparation to assure adequate takeoff performance to clear obstacles, and his failure to maintain obstacle clearance.
Factual narrative
On August 1, 2004, about 1030 Pacific daylight time, an experimental Paulick Wittman W-10, N70P, registered to and flown by the pilot as a 14 CFR Part 91 personal flight, collided with trees shortly after takeoff from Whidbey Air Park, Langley, Washington. Visual meteorological conditions prevailed at the time and no flight plan was filed for the local flight. The aircraft was destroyed by impact damage and post-crash fire. The private pilot, the sole occupant, was fatally injured. A witness reported that shortly after the aircraft took off from runway 16, the aircraft did not attain an altitude sufficient to clear trees. After the impact, a post-crash fire consumed the wreckage. The pilot's flight logbook was not located for review. The Federal Aviation Administration Aero Medical Division reported that the pilot's last medical certificate, a Class III, was issued on February 3, 1999. At this time, the pilot reported a total flight time of 4,000 hours. The wreckage was removed from the accident site and transported to the pilot's hangar at the airpark. Inspectors from the Seattle, Washington, Federal Aviation Administration Flight Standards District Office, reported that the engine displayed severe heat distress and impact damage. The crankcase was distorted, however, all connecting rods appeared to be connected to the crankshaft. The crankshaft would not turn. The oil pan was melted away. Both magnetos were heat distressed and their function could not be determined. The carburetor was destroyed. The fuel strainer and oil filter adapter assembly were intact, however, the lines to both were destroyed. Control continuity to the elevator control system was established, however, damaged and heat distressed. The fuselage structure was heat distressed and the fabric covering was burned away. Maintenance logbooks were not located for review. The Island County Coroner's Office, Coupeville, Washington, conducted an autopsy. Dr. Andrea R. Capiola, Island County Deputy Coroner, reported that pilot's cause of death as: "Thermal burns" The coroner's report indicated an interview with the pilot's wife. During the interview, the Coroner learned that the pilot had experienced "a minor heart attack" about a year ago, but that since, the pilot was "in excellent health and was very lively." The pilot's wife reported that on the morning of the accident, he indicated to her that he was not planning on flying that day. The wife also indicated that the pilot was planning on selling the aircraft that was involved in the accident. Toxicological samples were sent to the Federal Aviation Administration Civil Aeromedical Institute, Oklahoma City, Oklahoma, for analysis. The results of the analysis were positive for Metoprolol detected in blood and present in urine. Shortly after the aircraft took off, witnesses reported that the airplane did not attain an altitude sufficient to clear trees. The aircraft collided with trees and terrain near the departure end of the runway. A post-crash fire consumed the wreckage. Post-accident inspection of the heat distressed airframe and engine did not reveal evidence of 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_2004_SEA04LA152.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 (maintenance). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- Embry-Riddle Scholarly Commons 2026 · Journal article (IJAAA)
From Reactive to Predictive: A hybrid Trust-Mediated Adoption Framework for Data-Driven Maintenance in Distributed-Authority Aviation Environments
Modern aviation maintenance operates within increasingly data-intensive technological environments, yet the operational integration of predictive maintenance into routine decision-making remains incon…
- Semantic Scholar 2025 · Article (Applied Sciences)
Decision-Making Framework for Aviation Safety in Predictive Maintenance Strategies
The implementation of predictive maintenance (PM) in aviation presents unique challenges due to strict safety requirements, complex operational environments, and regulatory constraints.
- Embry-Riddle Scholarly Commons 2024 · Journal article (JAAER)
Low-Resource Automatic Speech Recognition Domain Adaptation – A Case-Study in Aviation Maintenance
With timeliness and efficiency being critical in the aviation maintenance industry, the need has been growing for smart technological solutions that optimize and streamline the different underlying ta…
- Embry-Riddle Scholarly Commons 2024 · Journal article (JAAER)
A New Trajectory in UAV Safety: Leveraging Reinforcement Learning for Distance Maintenance Under Wind Variations
In the field of aviation, safety is a critical cornerstone, and the operation of Unmanned Aerial Vehicle (UAV) systems is deeply connected with this principle.
- Embry-Riddle Scholarly Commons 2024 · Journal article (IJAAA)
Just Culture in Aviation: A Metaphorical Study on Aircraft Maintenance Students
Just Culture, a sub-dimension of safety culture, has been a prominent and debated topic in aviation safety in recent years.
- Embry-Riddle Scholarly Commons 2024 · Journal article (IJAAA)
Performance PRISM: A Comprehensive Framework For Performance Measurement In Aircraft Maintenance
Aircraft maintenance is governed by rigorous safety requirements and high operational complexity, demanding robust performance measurement frameworks to ensure optimal maintenance practices.
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