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Pilot workload during approaches: Comparison of simulated standard and noise-abatement profiles

Elmenhorst, E.-M. and Vejvoda, M. and Maaß, H. and Wenzel, J. and Plath, G. and Schubert, E. and Basner, M. (2009) Pilot workload during approaches: Comparison of simulated standard and noise-abatement profiles. Aviation, Space and Environmental Medicine, 80 (4), pp. 364-370. Aerospace Medical Association. DOI: 10.3357/ASEM.2382.2009

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Introduction: A new noise-reduced landing approach was tested – a Segmented Continuous Descent Approach (SCDA) - with regard to the resulting workload on pilots. Methods: Workload of 40 pilots was measured using physiological (heart rate, blood pressure, blink frequency, saliva cortisol concentration) and psychological (fatigue, sleepiness, tension and task load) parameters. Approaches were conducted in A320 and A330 full-flight simulators during night shift. SCDA was compared to the standard Low Drag Low Power (LDLP) procedure as reference. Results: Mean heart rate and blood pressure during the SCDA were not elevated, partly even significantly reduced (on average by 5 bpm and 4 mmHg regarding the flying Captain). Cortisol levels did not change significantly with mean values of 0.9 to 1.2 ng/ml. Landing was the most demanding segment of both approaches as indicated by significant increases in heart rate and decreases in blink frequency. Subjective task load was low. Discussion: Both approach procedures caused a similar workload level. Interpreting the results, methodological limitations have to be considered, e.g. the artificial and controlled airspace situation in the flight simulator. Nevertheless, it can be concluded that under these ideal conditions, the SCDA is operable without a higher workload for pilots compared to the common LDLP.

Item URL in elib:https://elib.dlr.de/60631/
Document Type:Article
Title:Pilot workload during approaches: Comparison of simulated standard and noise-abatement profiles
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Elmenhorst, E.-M.eva-maria.elmenhorst (at) dlr.deUNSPECIFIED
Vejvoda, M.martin.vejvoda (at) dlr.deUNSPECIFIED
Maaß, H.hartmut.maaß (at) dlr.deUNSPECIFIED
Wenzel, J.juergen.wenzel (at) dlr.deUNSPECIFIED
Plath, G.gernot.plath (at) dlr.deUNSPECIFIED
Schubert, E.TU BerlinUNSPECIFIED
Basner, M.mathias.basner (at) dlr.deUNSPECIFIED
Date:April 2009
Journal or Publication Title:Aviation, Space and Environmental Medicine
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Volume:80 (4)
DOI :10.3357/ASEM.2382.2009
Page Range:pp. 364-370
Publisher:Aerospace Medical Association
Keywords:blood pressure, heart rate, eye blinks, saliva cortisol, sleepiness, fatigue, tension, flight simulator, SCDA, LDLP
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:L VU - Air Traffic and Environment (old)
DLR - Research area:Aeronautics
DLR - Program:L VU - Air Traffic and Environment
DLR - Research theme (Project):L - Quiet Air Traffic (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Flight Physiology
Deposited By: Mawet, Louise
Deposited On:01 Dec 2009 14:24
Last Modified:24 Jun 2015 03:03

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