NTSB CAROL · Event
Event NYC98LA023
Aircraft involved
Probable cause & findings
The certificated flight instructor's inadequate supervision and failure to maintain directional control.
Factual narrative
On October 24, 1997, at about 1300 eastern standard time, a Hiller UH-12D, N62316, was substantially damaged during a simulated engine failure from a hover at the Allaire Airport, Farmingdale, New Jersey. The certificated flight instructor (CFI), and student pilot (SP) were not injured. Visual meteorological conditions prevailed, and no flight plan had been filed for the instructional flight conducted under 14 CFR Part 91. In a written statement the CFI stated: "...The [SP] was on the controls, hovering the helicopter forward, in preparation for another quick stop, when I announced 'simulated engine failure' and rolled the throttle to the idle position. The helicopter yawed to the left and pitched nose down. I came on the controls, pressed full right pedal, pulled aft cyclic and applied power to recover. The helicopter spun to the right with the tail rotor contacting the ground. I rolled the throttle back to idle and the helicopter settled onto the ground...." The CFI's reported total flight experience in helicopters was 2,958 hours, of which 286 hours were in make and model. The SP's reported total flight experience was 21 hours, all in make and model. Examination of the helicopter by a Federal Aviation Administration Inspector revealed no pre-impact failure of the airframe or engine. The student pilot was hover taxing when the certificated flight instructor (CFI) rolled the throttle to the idle position and announced a 'simulated an engine failure.' The helicopter yawed to the left and pitched nose down. The CFI took control of the helicopter . The helicopter then spun to right, and the tail rotor contacted the ground. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1997_NYC98LA023.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 (engine failure). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- arXiv 2022 · arXiv preprint
Multi-level Adaptation for Automatic Landing with Engine Failure under Turbulent Weather
This paper addresses efficient feasibility evaluation of possible emergency landing sites, online navigation, and path following for automatic landing under engine-out failure subject to turbulent wea…
- NASA NTRS 2019 · Conference Paper
Simulation of Liquid Rocket Engine Failure Propagation Using Self-Evolving Scenarios
Traditional probabilistic risk assessment approaches often require failure scenarios to be explicitly defined through event sequences that are then quantified as part of the integrated analysis.
- NASA NTRS 2019 · Conference Paper
Rocket engine failure detection using system identification techiques
The theoretical foundation and application of two univariate failure detection algorithms to Space Shuttle Main Engine (SSME) test firing data is presented.
- NASA NTRS 2019 · Conference Paper
Rocket engine failure detection using system identification techniques
The theoretical foundation and application of two univariate failure detection algorithms to Space Shuttle Main Engine (SSME) test firing data is presented.
- NASA NTRS 2019 · Technical Memorandum (TM)
A simulator investigation of engine failure compensation for powered-lift STOL aircraft
A piloted simulator investigation of various engine failure compensation concepts for powered-lift STOL aircraft was carried out at the Ames Research Center.
- Semantic Scholar 2019 · Article (AIAA Scitech 2019 Forum)
Impact of Engine Failure Constraints on the Initial Sizing of Hybrid-Electric GA Aircraft
Potential advantages of hybrid-electric aircraft are fuel savings, lower emissions, and reduced noise. Since these aircraft generally apply multiple power sources, they can also be designed to sustain…
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