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.
|Title:||Pilot workload during approaches: Comparison of simulated standard and noise-abatement profiles|
|Journal or Publication Title:||Aviation, Space and Environmental Medicine|
|In Open Access:||No|
|In ISI Web of Science:||Yes|
|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|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L VU - Air Traffic and Environment|
|DLR - Research theme (Project):||L - Quiet Air Traffic (old)|
|Institutes and Institutions:||Institute of Aerospace Medicine > Flight Physiology|
|Deposited By:||Louise Mawet|
|Deposited On:||01 Dec 2009 14:24|
|Last Modified:||26 Mar 2013 13:12|
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