NTSB CAROL · Event
Event LAX95LA255
Aircraft involved
Probable cause & findings
the captain's decision to taxi across a non-movement aircraft parking area instead of using the designated taxi lane to exit the ramp. A factor in the accident was the dark night environmental lighting conditions.
Factual narrative
On July 17, 1995, at 2155 hours Pacific daylight time, a Embraer EMB-120RT, N268UE, collided with a parked Boeing 767-222, N612UA, on the United Airlines maintenance ramp at Los Angeles International Airport, Los Angeles, California. The airplane was being operated by West Air Commuter Airlines, Inc., dba United Express, as a scheduled domestic passenger flight under 14 CFR Part 135. The commuter airplane was substantially damaged. There were no injuries to the three crewmembers or to the three passengers. The flight was destined for Palm Springs, California. Night visual meteorological conditions prevailed. The ramp area lease holder is United Airlines. United Airlines allocates space to United Express to operate a Commuter Air Terminal and park their aircraft. According to agreements with the airport authorities, movement of aircraft within the leasehold is the responsibility of the operator and is done without air traffic control clearance or guidance. A taxiway was designated by the lease holder for the movement of United Express aircraft to the edge of the ramp area at taxiway 27K and taxiway 19K. The leasehold taxiway provided clearance for United Express aircraft while gaining access to airport taxiways and runways. The taxiway was marked with yellow centerline and taxiway edge stripping. The width of the taxiway was sufficient for a towed Boeing 737 aircraft to clear other aircraft parked in designated numbered spots. A diagram of the taxiway was provided by the leaseholder, United Airlines, to United Express and to Los Angeles International Airport operations. The captain of the Embraer EMB-120RT elected to taxi in a non- movement area and did not use the designated taxiway. The United Express captain told the Safety Board her decision was based on avoiding a delay as a result of encountering a possible conflict with any aircraft being towed for maintenance while gaining access at taxiway 19K. A construction project had closed the taxiway 27K, which was normally used to exit the ramp. The captain planned to use taxiway 23K further to the east by taxiing behind a row of Boeing 737 aircraft. The captain was taxing behind the row of parked Boeing 737 aircraft, between the row and an airport access road. A Boeing 767 was parked at the east end of the row near the area where the taxiway joins the ramp. The captain indicated the Embraer's right wing was close to the access road. After the nose of the Embraer cleared the tail of the Boeing 767, the captain turned left towards the Boeing 767 and away from the access road. The left horizontal stabilizer of the Embraer then collided with the bottom of the right elevator on the Boeing 767, twisting the vertical stabilizer on the Embraer about 30 degrees counterclockwise. UNITED EXPRESS UTILIZES A PORTION OF A UNITED AIRLINES MAINTENANCE RAMP AS A COMMUTER TERMINAL. AFTER LOADING PASSENGERS FOR A SCHEDULED COMMUTER FLIGHT, THE AIRCRAFT COLLIDED WITH A PARKED BOEING 767-222 WHILE TAXIING ON THE MAINTENANCE RAMP TOWARD A TAXIWAY WHICH GOES TO THE ASSIGNED DEPARTURE RUNWAY. UNITED HAD ESTABLISHED A TAXI LANE IN THE MAINTENANCE AREA WITH A YELLOW GUIDANCE LINE WHICH PROVIDES CLEARANCE FROM ALL PARKED AIRCRAFT. THE CAPTAIN OF THE EMBRAER STATED THAT IN ORDER TO AVOID A POSSIBLE DEPARTURE DELAY SHE ELECTED NOT TO USE THE DESIGNATED TAXI LANE, BUT RATHER GO DIRECTLY ACROSS A NON-MOVEMENT AIRCRAFT PARKING AREA TO THE ACTIVE TAXIWAY. THERE WAS INSUFFICIENT CLEARANCE FOR THE EMBRAER ALONG THE CAPTAIN'S PLANNED TAXI ROUTE AND THE VERTICAL STABLIZER STRUCK THE HORIZONTAL STABILIZER OF THE PARKED BOEING 767. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1995_LAX95LA255.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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