To twist, roll, stroke or poke? A study of input devices for menu navigation in the cockpit.

Stanton, Neville A., Harvey, Catherine, Plant, Katherine L. and Bolton, Luke (2013) To twist, roll, stroke or poke? A study of input devices for menu navigation in the cockpit. Ergonomics, 56 (4), 590-611. (doi:10.1080/00140139.2012.751458). (PMID:23384222)

Abstract

Modern interfaces within the aircraft cockpit integrate many flight management system (FMS) functions into a single system. The success of a user's interaction with an interface depends upon the optimisation between the input device, tasks and environment within which the system is used. In this study, four input devices were evaluated using a range of Human Factors methods, in order to assess aspects of usability including task interaction times, error rates, workload, subjective usability and physical discomfort. The performance of the four input devices was compared using a holistic approach and the findings showed that no single input device produced consistently high performance scores across all of the variables evaluated. The touch screen produced the highest number of ‘best’ scores; however, discomfort ratings for this device were high, suggesting that it is not an ideal solution as both physical and cognitive aspects of performance must be accounted for in design.

Practitioner summary: This study evaluated four input devices for control of a screen-based flight management system. A holistic approach was used to evaluate both cognitive and physical performance. Performance varied across the dependent variables and between the devices; however, the touch screen produced the largest number of ‘best’ scores.

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Contributors

Author: Neville A. Stanton

Author: Katherine L. Plant

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