NTSB CAROL · Event
Event CEN20CA212
Registry · N533K
FAA Aircraft Registry record.
Make / Model
PIPER PA-28R-201T
Year of manufacture
1977 · 43 years old at event
Engine
CONT MOTOR TSIO-360 SER (225 hp)
Seats / Engines
4 seats · 1 engine
ADS-B equipped
Yes — Mode-S A6BC73
Registrant of record
GAUTIER TIMOTHY L
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot's failure to utilze the emergency landing gear extension procedure after a short-circuit within the normal landing gear system, which resulted in a landing gear collapse during landing.
Factual narrative
The commercial pilot reported that during a visual approach for landing at the destination airport, the landing gear position indicator did not indicate that the landing gear was down and locked after it was selected down. The pilot reported he requested a fly by the air traffic control tower, which confirmed the landing gear was extended and cleared the airplane to land. During landing rollout, the landing gear collapsed, and the airplane impacted the runway surface resulting in structural damage to the external longerons on the bottom of the fuselage. During recovery of the airplane, it was noted the landing gear circuit breaker was popped. The circuit breaker was reset, the master switch selected on, and the landing gear was lowered using the landing gear handle. A postaccident functional test of the landing gear using the normal and emergency extension procedures revealed the landing gear extended without incident. The pilot further reported that after maintenance personnel removed the cockpit multifunction displays, he found a piece of screw/nut on the contacts of the landing gear control handle behind the instrument panel, which most-likely created a short-circuit and caused the landing gear circuit breaker to pop. The pilot did not use the airplane's emergency landing gear extension procedure to extend the landing gear during the accident flight. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
NTSB Findings
Hierarchical cause / factor breakdown from the FAA bulk avdata database. Each finding tagged C (Cause) or F (Factor).
- — Aircraft-Aircraft systems-Landing gear system-Gear extension and retract sys-Malfunction
- — Personnel issues-Task performance-Use of equip/info-Use of checklist-Pilot
Verbatim from NTSB's published report. Source file
NTSB_2020_CEN20CA212.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.
Browse the full corpus — academia portal ↗