NTSB CAROL · Event
Event NYC95LA112
Aircraft involved
Probable cause & findings
Failure of the engine fuel pump, which resulted in fuel starvation and loss of engine power over an unsuitable landing area. Factors relating to the accident were: the airplane manufacture did not list the use of the installed electric boost pumps, nor did the pilot turn on the boost pump, once the engine lost power.
Factual narrative
On May 18, 1995, at 1915 eastern daylight time, a Helio H-250, N5460E, was substantially damaged during a forced landing after takeoff from the Para-Tech Airport, Clarkson, New York. The private pilot received minor injuries and the three passengers were not injured. Visual meteorological conditions prevailed, for the personal flight that originated from the Para-Tech Airport (8NY8). No flight plan had been filed for the flight conducted under 14 CFR Part 91. In the NTSB Form 6120.1/2, the pilot stated the purpose of the flight was to demonstrate the capabilities of the H-250 to a parachute organization, and the right door and seat were removed for the evaluation flight. The pilot and passengers boarded the airplane, and the engine start and run-up were normal. The pilot taxied out for takeoff, applied power, and takeoff occurred "just over 40 MPH." The engine began to lose power as the airplane flew over the end of the runway, at 60 MPH, and about 50 to 75 feet above the ground. The pilot initiated a turn back to the runway due to trees ahead of his flight path. The pilot further stated: ...The turn went well, but when I tried to level off before flare, I could not pick the right wing up. No matter what pressure I applied, the wing would not come up, and we were mushing-in. In the Federal Aviation Administration Inspector's report, he stated that examination of the wreckage revealed fuel in the line from the wing tanks to the engine driven fuel pump. No fuel was detected in the line from the fuel pump to the carburetor, or in the carburetor bowl. He estimated the wing tanks contained about 30 gallons of fuel. The FAA Inspector examined two electrical fuel boost pumps installed in the airplane. The outboard pump was inoperative, while the inboard pump was operational. The engine mechanical fuel pump was also examined. When the mechanical pump was tested, it did not pump fuel. In the pilot's statement, he said that he did not have either of the fuel boost pumps [on], and that the Helio Courier Owner's Manual did not state that they should be [on]. A review of the Owner's Manual revealed that the boost pumps were only described as a component of the fuel system. The use of the pumps during normal and emergency procedures are not discussed. On September 21, 1995, the engine driven fuel pump was examined at the Textron-Lycoming Aircraft Engine Facility, Williamsport, Pennsylvania, in the presence of an NTSB Air Safety Investigator (ASI). The examination revealed the engine pump was manufactured prior to 1978. The ASI's report stated that the internal components of the pump appeared normal up to the slot in the pull rod. The report further sated: The slot in the pull rod, which holds the link, showed evidence of wear. There was a 'shinny' spot on the rod slot. Additionally, the link 'hook' showed wear. Several attempts to reinstall the rod onto the link were unsuccessful. The rod became dislodged from the link each time, and jammed the pump. THE PILOT DEPARTED ON A LOCAL FLIGHT WITH THREE PASSENGERS. THE ENGINE START, TAXI, AND INITIAL TAKEOFF WERE NORMAL. AS THE AIRPLANE FLEW OVER THE END OF THE RUNWAY AT 50 TO 75 FEET, THE ENGINE LOST POWER. THE PILOT INITIATED A TURN BACK TO THE AIRPORT, DUE TO TREES DIRECTLY AHEAD. AT THE COMPLETION OF THE TURN, THE RIGHT WING STRUCK THE GROUND. AN EXAMINATION REVEALED THE ENGINE FUEL PUMP, MANUFACTURED PRIOR TO 1978, HAD FAILED DUE TO A WORN ROD SLOT AND LINK ARM. THE AIRPLANE WAS EQUIPPED WITH AN ELECTRIC BOOST PUMP; HOWEVER, THE AIRPLANE MANUAL DID NOT DIRECT OR DISCUSS THE USE OF THE BOOST PUMP, AND THE BOOST PUMP HAD NOT BEEN TURNED ON FOR THIS FLIGHT. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1995_NYC95LA112.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 (stall, fuel starvation). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
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- arXiv 2023 · arXiv preprint
Polycrystallinity enhances stress build-up around ice
Damage caused by freezing wet, porous materials is a widespread problem, but is hard to predict or control. Here, we show that polycrystallinity makes a great difference to the stress build-up process…
- arXiv 2022 · arXiv preprint
Enhanced Prediction of Three-dimensional Finite Iced Wing Separated Flow Near Stall
Icing on three-dimensional wings causes severe flow separation near stall. Standard improved delayed detached eddy simulation (IDDES) is unable to correctly predict the separating reattaching flow due…
- Embry-Riddle Scholarly Commons 2021 · Journal article (JAAER)
Analysis on the Negative Emotional, Physiological, and Cognitive Responses Elicited from of the Activation of a Stall Alarm
Failing to identify an aerodynamic stall can lead to the inability of an aircraft to sustain flight. To warn pilots of an impending or fully-developed stall, many aircraft have safety devices installe…
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