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Wake Turbulence Evolution and Hazard Analysis for a General Aviation Takeoff Accident

Schwarz, Carsten and Fischenberg, Dietrich and Holzäpfel, Frank (2018) Wake Turbulence Evolution and Hazard Analysis for a General Aviation Takeoff Accident. In: 10th AIAA Atmospheric and Space Environments Conference, 2018. AIAA AVIATION 2018 Atmospheric and Space Environments Conference, 25.-29. Jun. 2018, Atlanta, GA, USA. DOI: 10.2514/6.2018-3019 ISBN 978-162410558-6

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Abstract

Wake turbulence is commonly a commercial aviation topic involving relatively heavy transport aircraft. However, wake turbulence is also safety relevant for business and general aviation flight operations. A detailed analysis has been conducted for a specific accident involving two aircraft of the wake turbulence category light. A four-seat aircraft with one ton maximum takeoff weight took off behind a biplane with 5.5 tons maximum takeoff weight. This led to a fatal accident. Based on available information and several assumptions the wake turbulence aspects for the specific accident scenario have been assessed. The roll axis was the dominating factor in this case. Accordingly, the wake induced rolling moment was analyzed and related to the assumed available roll control power. Furthermore, the wake vortex behavior was simulated and analyzed in detail. The results indicate that wake turbulence can be considered to be the cause for the accident. The theoretical results and the conclusions regarding the accident are also supported by the results of flight tests, which were conducted in the context of the accident investigation.

Item URL in elib:https://elib.dlr.de/121219/
Document Type:Conference or Workshop Item (Speech)
Title:Wake Turbulence Evolution and Hazard Analysis for a General Aviation Takeoff Accident
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schwarz, CarstenUNSPECIFIEDUNSPECIFIED
Fischenberg, DietrichUNSPECIFIEDUNSPECIFIED
Holzäpfel, FrankDLR, IPAhttps://orcid.org/0000-0003-3182-1832
Date:June 2018
Journal or Publication Title:10th AIAA Atmospheric and Space Environments Conference, 2018
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
DOI :10.2514/6.2018-3019
ISBN:978-162410558-6
Status:Published
Keywords:wake turbulence, general aviation, accident
Event Title:AIAA AVIATION 2018 Atmospheric and Space Environments Conference
Event Location:Atlanta, GA, USA
Event Type:international Conference
Event Dates:25.-29. Jun. 2018
Organizer:AIAA
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Systems and Cabin
Location: Braunschweig , Oberpfaffenhofen
Institutes and Institutions:Institute of Flight Systems > Flight Dynamics and Simulation
Institute of Atmospheric Physics > Transport Meteorology
Deposited By: Schwarz, Carsten Walter
Deposited On:07 Aug 2018 13:59
Last Modified:21 Nov 2018 12:37

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