NTSB CAROL · Event
Event LAX96LA143
Aircraft involved
Probable cause & findings
fuel system contamination and the pilot's intentional operation of a known unairworthy aircraft.
Factual narrative
On March 23, 1996, at 1330 hours Pacific standard time, a Cessna 172, N7044T, collided with ground obstructions during a forced landing in a rock quarry near the Cable airport, Upland, California. The forced landing was precipitated by a total loss of power during the takeoff initial climb. The aircraft was owned and operated by the pilot and was on an non-FAA sanctioned ferry flight. Visual meteorological conditions prevailed at the time and no flight plan was filed. The aircraft sustained substantial damage in the collision sequence. The commercial pilot sustained serious injuries. The flight was originating at the time of the accident and was destined for Chino, California. The pilot reported that he recently purchased the aircraft and was in the process of getting it into flyable condition so it could be moved to a maintenance facility at Chino. The pilot stated that after draining and refilling the fuel system several times, he believed that all water had been purged from the system. After a high speed taxi test the pilot decided to try one pattern circuit. Shortly after the takeoff, the engine quit completely. The aircraft had insufficient altitude to return to the airport and the pilot landed in a rock quarry. The Cable airport manager said in a telephone interview that the aircraft had been parked on the airport for 6 years and to his knowledge had not flown in that time. The pilot purchased the aircraft 2 weeks prior and had been observed draining the fuel tanks, running the engine on the ground, and preparing the aircraft for flight. The pilot told the fuel facility staff while he was purchasing 15 gallons of aviation gasoline in metal cans that he had "drained alot of water from the tanks and was still getting some." FAA inspectors examined the aircraft records. No records have been found of any annual inspection or other maintenance activity by aircraft mechanics on the aircraft since 1991. The FAA had not issued a ferry permit to move the aircraft. The pilot reported that he recently purchased the aircraft and was in the process of getting it into flyable condition so it could be moved to a maintenance facility at another airport. The pilot stated that after draining and refilling the fuel system several times, he believed that all water had been purged from the system. After a high speed taxi test the pilot decided to try one pattern circuit. Shortly after the takeoff, the engine quit completely. The aircraft had insufficient altitude to return to the airport and the pilot landed in a rock quarry. The airport manager said that the aircraft had been parked on the airport for 6 years, and to his knowledge had not flown in that time. The pilot told the fuel facility staff while he was purchasing 15 gallons of aviation gasoline in metal cans that he had drained a lot of water from the tanks and was still getting some. No records have been found of any annual inspection or other maintenance activity by aircraft mechanics on the aircraft since 1991. The FAA had not issued a ferry permit to move the aircraft. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1996_LAX96LA143.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
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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.
- NASA NTRS 2019 · Conference Paper
Crash Testing and Simulation of a Cessna 172 Aircraft: Pitch Down Impact Onto Soft Soil
During the summer of 2015, NASA Langley Research Center conducted three full-scale crash tests of Cessna 172 (C-172) aircraft at the NASA Langley Landing and Impact Research (LandIR) Facility.
- NASA NTRS 2019 · Technical Memorandum (TM)
Simulating the Impact Response of Three Full-Scale Crash Tests of Cessna 172 Aircraft
During the summer of 2015, a series of three full-scale crash tests were performed at the Landing and Impact Research Facility located at NASA Langley Research Center of Cessna 172 aircraft.
- 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.
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