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Analysing and Improving Pilots' Auto Flight System Mode Awareness

Wies, Matthias (2016) Analysing and Improving Pilots' Auto Flight System Mode Awareness. Dissertation, Technische Universität Braunschweig.

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Abstract

This work deals with mode awareness problems of pilots. These are problems, where pilots have a poor awareness about how the Auto Flight System (Flight Director, Autopilot and Autothrust) controls the behaviour of the aircraft. In a first step, this work identifies mode awareness problems and their reasons by means of accidents, incidents and scientific studies reported in literature. The main reasons for mode awareness problems reported in literature include the poor feedback of the cockpit indications about the status of the auto flight system as well as the frequent non-observance by pilots of the available feedback about the status. In a second step, this work analyses the unexplained causes for the two reasons. The conducted analysis reveals and answers why the feedback of the cockpit indications is poor and why pilots do not always use the available feedback about the status. Conducted experiments with pilots in a flight simulator proof the correctness of the results of the analysis. In a third step, this work develops a new concept for the indication of information about the status of the auto flight system that bases on the gained insights of the analysis. Thereby, the new concept eliminates the shortcomings of the current indications. The new concept for the indication of status information was built and programmed in hardware as a new interface of the Auto Flight System and installed in the flight simulator. Further experiments with pilots show that the new concept significantly improves pilots’ mode awareness.

Item URL in elib:https://elib.dlr.de/111118/
Document Type:Thesis (Dissertation)
Title:Analysing and Improving Pilots' Auto Flight System Mode Awareness
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Wies, Matthiasmatthias.wies (at) dlr.dehttps://orcid.org/0000-0001-6514-3211
Date:2016
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Number of Pages:304
Status:Published
Keywords:Mode awareness, pilot, cockpit, auto flight system, flight mode annunciator, interface
Institution:Technische Universität Braunschweig
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:air traffic management and operations
DLR - Research area:Aeronautics
DLR - Program:L AO - Air Traffic Management and Operation
DLR - Research theme (Project):L - Human factors and safety in Aeronautics
Location: Braunschweig
Institutes and Institutions:Institute of Flight Control > Systemergonomy
Deposited By: Wies, Matthias
Deposited On:15 Feb 2017 10:55
Last Modified:15 Feb 2017 10:55

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