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How Glider Pilots Misread the FLARM Collision Alerting Display

How Glider Pilots Misread the FLARM Collision Alerting Display During the last decade, glider pilots have been provided with new tools toassist them in their task of seeing and avoiding other traffic: low-costcollision alerting systems (CASs). However, the display of the popular FLARM CASlacks indications about the system’s limitations. To analyze whetherglider pilots are aware of these limitations, a laboratory study with 43 gliderpilot participants was performed. The results showed that errors in the initialsearch direction for traffic increased whenever the ownship did not fly straightand level. These errors are attributed to a misunderstanding of thesystem’s indications. Three recommendations are made with the goal ofreducing future misinterpretations when using the system. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aviation Psychology and Applied Human Factors American Psychological Association

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Publisher
American Psychological Association
Copyright
Copyright © 2014 Hogrefe Publishing
ISSN
2192-0923
eISSN
2192-0931
DOI
10.1027/2192-0923/a000060
Publisher site
See Article on Publisher Site

Abstract

During the last decade, glider pilots have been provided with new tools toassist them in their task of seeing and avoiding other traffic: low-costcollision alerting systems (CASs). However, the display of the popular FLARM CASlacks indications about the system’s limitations. To analyze whetherglider pilots are aware of these limitations, a laboratory study with 43 gliderpilot participants was performed. The results showed that errors in the initialsearch direction for traffic increased whenever the ownship did not fly straightand level. These errors are attributed to a misunderstanding of thesystem’s indications. Three recommendations are made with the goal ofreducing future misinterpretations when using the system.

Journal

Aviation Psychology and Applied Human FactorsAmerican Psychological Association

Published: Nov 17, 2014

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