Stability Study of the Accident of a General Aviation Aircraft
Publication: Journal of Aerospace Engineering
Volume 31, Issue 4
Abstract
In April 2014 an aircraft accident occurred at Jämijärvi aerodrome when a Comp Air 8 aircraft crashed into the woods. According to the scenario of the investigation report, the pilot reduced the engine power in such a way that the thrust became negative. Simultaneously the prop-washed kinetic pressure of the tail was reduced, which rapidly evoked a nose-down moment and a corresponding angular velocity. This led to a negative angle of attack and a large negative wing load and finally resulted in a wing strut buckling and the wing folding toward the aircraft’s body. In this study, six degree-of-freedom (6-dof) simulations are carried out for the aircraft to assess the supposed accident scenario. The simulations show that the proposed mechanism is possible, but there existed other potential courses of events after the thrust adjustment.
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Information & Authors
Information
Published In
Journal of Aerospace Engineering
Volume 31 • Issue 4 • July 2018
Copyright
©2018 American Society of Civil Engineers.
History
Received: Oct 20, 2015
Accepted: Jan 31, 2018
Published online: May 12, 2018
Published in print: Jul 1, 2018
Discussion open until: Oct 12, 2018
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