NTSB CAROL · Event
Event SEA06CA097
Aircraft involved
Probable cause & findings
The pilot's failure to put the nose wheel landing gear down for landing.
Factual narrative
On May 5, 2006, at approximately 1100 Pacific daylight time, a Rupp, Rutan Defiant, N726RD, was substantially damaged during a landing attempt at Coeur d'Alene Air Terminal, Coeur d'Alene, Idaho. The airline transport pilot, the sole occupant in the aircraft, was not injured. The pilot/owner was operating the airplane under Title 14 CFR Part 91. Visual meteorological conditions prevailed for the personal, local flight which had originated approximately 15 minutes before the accident. A flight plan had not been filed. The pilot said that he had recently purchased the airplane and had very little flight time in it. He said that he was airborne to practice landings. On the first landing, the airplane landed on its rudder, which is mounted beneath the nose adjacent to the nose wheel landing gear. He said that he thought he put the nose wheel landing gear down [in this airplane, only the nose wheel landing gear retracts]. The airplane's maintenance records indicated that the airplane has landed on its rudder on two previous occasions during the airplane's 18 years of existence. The pilot said that he is in the process of having the landing-gear mechanism inspected. The pilot said that he had recently purchased the airplane and had very little flight time in it. He said that he was airborne to practice landings. On the first landing, the airplane landed on its rudder, which is mounted beneath the nose adjacent to the nose wheel landing gear. He said that he thought he put the nose wheel landing gear down [in this airplane, only the nose wheel landing gear retracts], but the airplane's maintenance records indicated that this has happened on two previous occasions during the airplane's 18 years of existence. The pilot said that he is in the process of having the landing-gear mechanism inspected. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2006_SEA06CA097.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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