Icon Design for Representing Safety-Critical Aircraft Functions to Support Supervisory Control of Remotely Piloted Aircraft Systems

Icon Design for Representing Safety-Critical Aircraft Functions to Support Supervisory Control of Remotely Piloted Aircraft Systems

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(1) Background: The transition from conventional to remote aircraft control will necessitate the development of novel human machine interfaces.When we consider the pilot interface, icons are traditionally used to associate meanings with functions on the flight deck, allowing the pilot to assimilate information effectively.Using established icon design principles, 18 icons, representing key safety-critical functions related to the operation of an aircraft, were designed for integration into a ground station.Pilots were then asked to evaluate these icons based on established icon characteristics.

(2) Method: In an online PVC Shade Mesh questionnaire study, 29 pilots rated the icons on the icon characteristics of concreteness, complexity, familiarity, meaningfulness, and semantic distance.Alongside these metrics, concept and name agreement were captured for the icon set.(3) Results: Analysis indicated good icon-function fit overall.The findings show that emphasizing concreteness and familiarity improves icon-function fit, as long as the Dishwasher Thermostat familiarity is directed at aviation-related artifacts.

Further, concept agreement appears to be a better measure of icon-function fit in comparison to name agreement.(4) Conclusion: Most of the designed icons were well suited to represent their intended meaning.However, this study emphasizes the need for dedicated standardized icon characteristic norms for aviation systems.