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Journal Article

Citation

de Voogt AJ, Hummel Hohl C, Kalagher H. Aerosp. Med. Hum. Perform. 2021; 92(7): 593-596.

Copyright

(Copyright © 2021, Aerospace Medical Association)

DOI

10.3357/AMHP.5801.2021

PMID

unavailable

Abstract

INTRODUCTION: Accidents with aircraft standing are more likely with helicopters than fixed-wing aircraft due to the common presence of off-airport landings and the possibility of the rotor system to strike objects in its immediate surroundings.

METHODS: A total of 115 accidents involving helicopters characterized as standing as a broad phase of flight were selected from the NTSB online database for the period 1998 until 2018.

RESULTS: Accidents reporting fatal (8.7) or serious injuries (7.8) were significantly less likely to occur when the aircraft was substantially damaged (84.3) or destroyed (5.2). The majority of the cases occurred after off-airport landings (57.4), which were reported significantly more often in Alaska (N= 15). A main rotor strike with an individual was at the basis of each of the 10 fatal accidents in the dataset and in 8 of these cases the cause of the accident was attributed to the victim. None of the accidents occurred in instrument meteorological conditions, but, in particular, high winds and gusts proved a main cause of accident (18.3).

CONCLUSION: Pilot, passengers, and crew endangered themselves when they were outside the aircraft while the rotors were still turning. Helicopter operating manuals should highlight the limitations and dangers for wind and wind gusts not only during takeoff and flight, but specifically when standing.de Voogt AJ, Hummel C, Kalagher H. Fatality and operational specificity of helicopter accidents on the ground. Aerosp Med Hum Perform. 2021; 92(7):593596.


Language: en

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