NTSB CAROL · Event
Event ANC02LA022
Registry · N3527U
FAA Aircraft Registry record.
Make / Model
PIPER PA-31-350
Year of manufacture
1979 · 23 years old at event
Engine
LYCOMING TIO-540-J2BD (350 hp)
Seats / Engines
8 seats · 2 engines
Last airworthiness date
20080701
ADS-B equipped
Yes — Mode-S A3EF9B
Registrant of record
WARBELOWS AIR VENTURES INC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot's failure to complete his prelanding checklist, and a subsequent inadvertent wheels up landing.
Factual narrative
On March 13, 2002, about 1553 Alaska standard time, a Piper PA-31-350 airplane, N3527U, sustained substantial damage during an inadvertent wheels-up landing, at the Fairbanks International Airport, Fairbanks, Alaska. The airplane was being operated as a visual flight rules (VFR) scheduled passenger flight under Title 14, CFR Part 135, when the accident occurred. The airplane was operated by Warbelow Air Ventures, Inc., of Fairbanks, as Flight 605. The airline transport pilot and the eight passengers were not injured. Visual meteorological conditions prevailed, and the winds were light and variable at the time of the accident. A company VFR flight plan was active. The flight originated at the Fort Yukon Airport, Fort Yukon, Alaska, about 1503. During a telephone conversation with the National Transportation Safety Board (NTSB) investigator-in-charge (IIC), on March 14, the pilot said as he entered the pattern, he was told by the tower to cross over and enter right traffic for runway 1. The tower then told him he would have to extend downwind because of traffic. The pilot said he made a conscious decision not to put the landing gear down at the usual point because of the request to extend his pattern. He said as he started to extend his pattern, the tower asked him to expedite a base turn, and "keep it tight." The pilot said on the base leg, he again failed to complete his checklist. He said on the final leg of his approach, the airplane behind him said they were too close, and they were going to go around. In the confusion, he said he never completed his before landing checklist, and landed the airplane with the landing gear retracted. The pilot said that fatigue added to his confusion, which lead to the accident. During a telephone conversation with the IIC on March 14, the director of maintenance for the operator said the forward third of the longitudinal stringers and several bulkheads of the fuselage will have to be replaced, due to damage incurred during the accident. He noted that once the airplane was raised off of the runway, the landing gear functioned normally, and the three green landing gear warning lights illuminated. In a letter to the NTSB dated March 14, the pilot reiterated most of his earlier statements. He added that the landing gear warning horn did not activate because of the unusually high power setting used to, "keep it tight," as requested by the tower. He expounded on his earlier statement that fatigue added to his confusion, saying that he had not slept well the night before, and that annual training demands had added to his workload. Upon entering the pattern, the pilot was given instructions by the tower controllers he had not anticipated. In complying with the instructions, he altered his normal landing procedures, and failed to complete his before landing checklist. He subsequently landed the airplane with the landing gear retracted. The airplane sustained substantial damage to fuselage stringers and skin. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2002_ANC02LA022.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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