United States Department of Transportation
i
Adapting the FAA-HF-STD-010A Standard Color Palette to Daytime Illumination
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2024-02-01
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[PDF-5.90 MB]
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Abstract:This project demonstrated that the color palette specified in FAA-HF-STD-010A (2020) can be used unaltered in air traffic control (ATC) towers during bright daytime conditions. The FAA palette introduced standard colors for coding ATC displays. It was developed to accommodate controllers who have mild-to-moderate color-vision deficiencies without compromising usability for color normals. The test conditions were dark, which represents the majority of ATC environments, but that choice left the palette’s suitability for use in towers during daytime unknown. We have shown that, under worst-case ambient illumination, controllers with normal and deficient color-vision can be expected to perform almost perfectly with the new Standard Terminal Automation Replacement System (STARS) Tower Display Monitors if they are allowed to adjust the display’s luminance. We provide an equation that predicts the peak luminance requirement for any candidate display that uses the FAA standard palette.
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