NTSB CAROL · Event
Event ANC93LA083
Aircraft involved
Probable cause & findings
THE PILOT'S IMPROPER DECISION TO LAND ON A ROUGH AIRSTRIP.
Factual narrative
On June 7, 1993, at 0730 Alaska daylight time, a Beech BE56TC airplane, N9194Q, had its nose landing gear collapse on landing at a turf and gravel strip at Chistochina, Alaska, approximately 33 miles northeast of Gulkana. The flight had originated at Merrill Field, Anchorage, Alaska, at approximately 0600 and was conducted in visual meteorological conditions under 14 CFR Part 91 for personal reasons. No flight plan was filed for the 90 minute flight to Chistochina. The private pilot and his passenger were not injured and the airplane received substantial damages. The pilot stated that following traffic pattern approach and normal touchdown, the nose gear collapsed and the aircraft's nose "kept going down until it hit the ground." He said that prior to touchdown, indications were normal and he had a manual and electrical indication of a landing gear system that was down and locked; as well as a visual indication of a safe gear from the reflection in a mirror mounted on the side of his engine nacelles. The pilot said that the "nose gear came off in a small indentation across the runway" and that the nose of the aircraft and propellers had been damaged upon contact with the grass and gravel covered runway. He related that the aircraft had a record of a previous nose gear failure on landing. In a telephone interview with the NTSB, the pilot said that "during storage over the winter, the maintenance place had towed my airplane using a rope around my nose gear." The pilot provided information to the NTSB investigator that his current address was 3605 Arctic Blvd., Suite 322; Anchorage, AK 99503. The FAA FSDO-03 reportedly asked the pilot to produce, for their examination, the nose strut and the airplane logbooks. The FAA FSDO inspector assigned to assist the NTSB reported that the airplane's logbooks had an endorsement made by an IA inspector during the last annual inspection to the effect that "the airplane was inspected and found not to be airworthy." DURING LANDING ON A ROUGH, UNEVEN RUNWAY, THE NOSE GEAR COLLAPSED. THE PILOT REPORTED THAT DURING RECENT WINTER STORAGE THE AIRPLANE HAD BEEN TOWED BY A LINE AROUND THE NOSE GEAR STRUT. HE ALSO RELATED THAT THE AIRPLANE HAD A RECORD OF A PREVIOUS NOSE GEAR FAILURE ON LANDING. DURING THE LAST ANNUAL INSPECTION THE AIRPLANE WAS DETERMINED NOT TO BE AIRWORTHY. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1993_ANC93LA083.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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