NTSB CAROL · Event
Event MIA04LA036
Aircraft involved
Probable cause & findings
Inadequate maintenance by company maintenance personnel, which resulted in operation of the airplane with a deflated nose landing gear strut, which resulted in the nose gear failing to lock in position, gear collapse, and damage to the airplane during landing rollout.
Factual narrative
On December 21, 2003, about 1300 eastern standard time, a Cessna 310P, N5811M, registered to and operated by Crystal Aero Group Inc., as a Title 14 CFR Part 91 instructional flight, had the nose gear collapse while landing at Crystal River Airport, Crystal River, Florida. Visual meteorological conditions prevailed, and no flight plan was filed. The commercial-rated flight instructor and dual student were not injured, and the airplane incurred substantial damage. The flight originated minutes before the accident. The pilot stated that during takeoff/initial climb, at an altitude of about 500 feet, he placed the landing gear handle in the "UP" position, and during retraction, heard a loud bang, and the rudder pedals shuttered. He said he lowered the gear handle, and received a green light indication only the main gear. He then retarded the throttle levers to check for the landing gear warning horn, but the horn did not activate. He said he then performed the emergency gear extension procedure, but the nose gear did not extend, so he performed a low altitude "fly-by" to permit observers on the ground to visually examine the landing gear. According to the pilot, the observers reported to him that the nose gear appeared to be "down." The pilot said he then made a normal approach to land, and the landing rollout, as the airspeed decreased the nose gear collapsed, and the airplane skidded to a halt on the runway. Examination of the airplane's maintenance records showed that maintenance had been performed on the airplane's nose gear 11 hours prior to the accident, and 5 hours prior to the accident the airplane had received an annual inspection. Postaccident examination of the airplane's nose landing gear by an FAA licensed mechanic who had not previously maintained the airplane, revealed that the damage was consistent with the nose gear strut not receiving proper service, having deflated, and being out of alignment. The pilot stated that during takeoff/initial climb, at an altitude of about 500 feet, he placed the landing gear handle in the "UP" position, and during retraction, heard a loud bang, and the rudder pedals shuttered. He said he lowered the gear handle, and received a green light indication only the main gear. He then retarded the throttle levers to check for the landing gear warning horn, but the horn did not activate. He said he then performed the emergency gear extension procedure, but the nose gear did not extend. During subsequent landing rollout, as the airspeed decreased the nose gear collapsed, and the airplane skidded to a halt on the runway. Examination of the airplane's maintenance records showed that maintenance had been performed on the airplane's nose gear 11 hours prior to the accident, and 5 hours prior to the accident the airplane had received an annual inspection. Postaccident examination of the airplane's nose landing gear revealed that the damage was consistent with the nose gear strut not receiving proper service, having deflated, and being out of alignment. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2003_MIA04LA036.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
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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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