SEA94LA227
1994-08-31 · EVERETT, Washington, United States · None · 1 aircraft · Status: Completed
Airport PAE
Current FAA registration · N1329C
- Make / Model
- PIPER PA-22-150
- Year of manufacture
- 1953 · 41 years old at event
- Engine
- LYCOMING 0-320 SERIES (180 hp)
- Seats / Engines
- 4 seats · 1 engine
- Last airworthiness date
- 19560510
- ADS-B equipped
- Yes — Mode-S A08635
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
THE PILOT FAILED TO MAINTAIN DIRECTIONAL CONTROL.
Factual narrative
On August 31, 1994, at 1410 hours Pacific daylight time (PDT), a Piper PA-22-150, N1329C, registered to William G. Harrop, and being flown by Douglas L. Hill, a student pilot, sustained substantial damage when the airplane collided with a fence following a loss of control while landing on runway 34R at the Snohomish County Airport, Everett, Washington. The pilot was uninjured. A VFR flight plan was in effect for the round robin flight, and visual meteorological conditions existed at the time of the accident. The flight, which was an instructional solo, was to have been operated in accordance with the requirements set forth in 14CFR91, and originated from Arlington, Washington, at 1235 hours, with stops at Bremerton, Tacoma, and Everett, Washington. In a written statement, the 49-hour student pilot reported that after touchdown for the touch-and-go landing, "the right wheel seemed to lock." The airplane veered to the right and, before the pilot was able to regain directional control and stop, the airplane went through a chain link fence at the north end of the runway. No evidence was found to indicate a mechanical failure or malfunction. THE STUDENT PILOT STATED THAT, AFTER TOUCH DOWN FOR THE TOUCH-AND-GO LANDING IT SEEMED THAT THE RIGHT WHEEL LOCKED. THE AIRPLANE VEERED TO THE RIGHT AND BEFORE THE PILOT WAS ABLE TO REGAIN DIRECTIONAL CONTROL AND STOP, THE AIRPLANE WENT THROUGH A CHAIN LINK FENCE AT THE END OF THE RUNWAY. 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_1994_SEA94LA227.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
Matched on aircraft type or causal vocabulary (loss of control). All research papers
- Embry-Riddle Scholarly Commons 2025 · Journal article (JAAER) A Scoping Review of Aviation Loss of Control Inflight Research
Loss of control – inflight (LOC-I) contributes to aircraft accidents at unacceptably high rates. Significant industry efforts and research have aimed to improve LOC-I prevention, detection, and recove…
- SKYbrary (Eurocontrol) 2024 · SKYbrary article Loss of Control In-Flight (LOC-I) — SKYbrary Knowledge Base
SKYbrary comprehensive knowledge-base entry on Loss of Control In-Flight — definitions, contributing factors, accident case studies (Air France 447, Colgan 3407), and prevention strategies.
- Semantic Scholar 2024 · Article (International Conference on Networking and Services) Risk Assessment of Loss of Control In-Flight Trajectories for Urban Air Mobility Safety
In Urban Air Mobility (UAM), maintaining a minimum separation between aircraft is a safety requirement, which becomes challenging amidst congested air traffic and off-nominal conditions, such as Loss …
- NTSB Aircraft Accident Reports 2022 · Accident report Loss of Control on Takeoff in Icing Conditions — Citation 560XL
Cessna Citation 560XL fatal takeoff icing accident, March 2018. Investigation of a Citation 560XL loss-of-control takeoff accident in icing conditions.
- Semantic Scholar 2021 · Article (Aviation) ANALYSIS OF GENERAL AVIATION FIXED-WING AIRCRAFT ACCIDENTS INVOLVING INFLIGHT LOSS OF CONTROL USING A STATE-BASED APPROACH
Inflight loss of control (LOC-I) is a significant cause of General Aviation (GA) fixed-wing aircraft accidents. The United States National Transportation Safety Board’s database provides a rich source…
- NASA NTRS 2021 · Presentation Use of Design of Experiments in Determining Neural Network Architectures for Loss of Control Detection
Abstract—We describe empirical methods for selecting a neural network architecture to implement belief state inference on generic commercial transport aircraft.