LAX94LA239
1994-06-05 · CALIFORNIA CITY, California, United States · None · 1 aircraft · Status: Completed
Airport L71
Aircraft involved
Probable cause & findings
the pilot's inadequate compensation for the gusty wind conditions and his subsequent failure to maintain control of the helicopter.
Factual narrative
On June 5, 1994, at 1300 Pacific daylight time, an Enstrom 280C helicopter, N123MT, rolled over from a hover following a loss of control by the pilot at California City, California. Visual meteorological conditions prevailed at the time and no flight plan was filed for the operation. The helicopter sustained substantial damage. Neither the certificated private pilot nor his one passenger were injured. The flight was originating at the time of the mishap as a cross-country flight to the Whitman airport, Pacoima, California. In a verbal statement, the pilot reported that the helicopter was in a hover in preparation for takeoff when a strong wind gust caused him to lose control. The helicopter subsequently rolled over. The airport manager reported that the winds at the time were from 090 degrees at 20 knots, with gusts to 30 knots. The pilot refused to complete and submit a Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1/2. The pilot reported that the helicopter was in a hover in preparation for takeoff when a strong wind gust caused him to lose control. The helicopter subsequently rolled over. The airport manager reported that the winds at the time were from 090 degrees at 20 knots, with gusts to 30 knots. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1994_LAX94LA239.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
Matched on aircraft type or causal vocabulary (loss of control). All research papers
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- SKYbrary (Eurocontrol) 2024 · SKYbrary article Loss of Control In-Flight (LOC-I) — SKYbrary Knowledge Base
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- Semantic Scholar 2024 · Article (International Conference on Networking and Services) Risk Assessment of Loss of Control In-Flight Trajectories for Urban Air Mobility Safety
In Urban Air Mobility (UAM), maintaining a minimum separation between aircraft is a safety requirement, which becomes challenging amidst congested air traffic and off-nominal conditions, such as Loss …
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Cessna Citation 560XL fatal takeoff icing accident, March 2018. Investigation of a Citation 560XL loss-of-control takeoff accident in icing conditions.
- Semantic Scholar 2021 · Article (Aviation) ANALYSIS OF GENERAL AVIATION FIXED-WING AIRCRAFT ACCIDENTS INVOLVING INFLIGHT LOSS OF CONTROL USING A STATE-BASED APPROACH
Inflight loss of control (LOC-I) is a significant cause of General Aviation (GA) fixed-wing aircraft accidents. The United States National Transportation Safety Board’s database provides a rich source…
- NASA NTRS 2021 · Presentation Use of Design of Experiments in Determining Neural Network Architectures for Loss of Control Detection
Abstract—We describe empirical methods for selecting a neural network architecture to implement belief state inference on generic commercial transport aircraft.