SEA03LA174
2003-08-20 · Nampa, Idaho, United States · None · 1 aircraft · Status: Completed
Airport S67
Current FAA registration · N4816T
- Make / Model
- PIPER PA-28R-200
- Year of manufacture
- 1972 · 31 years old at event
- Engine
- LYCOMING I0360 SER (180 hp)
- Seats / Engines
- 4 seats · 1 engine
- Last airworthiness date
- 19720309
- ADS-B equipped
- Yes — Mode-S A5EF8C
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
Landing gear collapse for undetermined reasons during the landing roll. On ground collision with a runway light was a factor.
Factual narrative
On August 20, 2003, approximately 1230 mountain daylight time, a Piper PA-28-200R, N4816T, registered to and being flown by a private pilot, sustained substantial damage during a gear collapse on landing roll at Nampa, Idaho. The pilot was uninjured. Visual meteorological conditions existed and no flight plan had been filed. The flight, which was personal, was operated under 14CFR91, and originated from Kemmerer, Wyoming, approximately 0950 on the morning of the accident. The pilot reported that prior to executing an approach and landing to runway 29, he verified that he had a three green indication for the landing gear being down and locked. While rolling out on the 5,000 foot long asphalt runway and having decelerated to about 10 miles per hour, the right main landing gear began to collapse. As the aircraft departed the right side of the runway it impacted a runway light. The nose gear collapsed and the propeller struck the ground. An airframe and powerplant mechanic removed the aircraft from the accident site to the facility of Skyline Aircraft Maintenance, Nampa, Idaho. The mechanic reported that a retraction test was accomplished to the aircraft's gear system. The aircraft's landing gear was cycled using an electric power pack and Piper's automatic free-fall system. During the retraction tests, the aircraft's landing gear down-locks and micro switches were found set within manufacturer's limits. The mechanic further stated that in his opinion, "all areas of the landing gear system were in an airworthy condition and functioning properly." The pilot reported that he verified that he had a three green indication for the landing gear prior to touch down. During the landing roll, and having decelerated to about 10 miles per hour, the right main landing gear began to collapse. As the aircraft departed the right side of the runway, it impacted a runway light. The nose gear collapsed and the propeller struck the ground. During a post-accident inspection of the landing gear system, no evidence of a mechanical failure or malfunction was found. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2003_SEA03LA174.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 (maintenance). All research papers
- 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 2026 · Article (Reliability Engineering & System Safety) Understanding human error in military aviation maintenance: The role of Performance shaping factors, cognitive workload and error orientation
- 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.
- Semantic Scholar 2024 · Article (Defence Science Journal) Modelling of Human Factors in Aviation Maintenance Using HFACS ME Human Factors Analysis and Classification System Maintenance Extension and Bayesian Network
Aircraft maintenance is a complex task involving a skilled human workforce, spare parts, and various other resources. Human factors are an inherent element of the human workforce.
- 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 (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…