Aviation: Colour Vision Deficiency
The question
To ask the Secretary of State for Transport, pursuant to the Answer of 9 March 2026 to Question 116584 on Aviation: Colour Vision Deficiency, what assessment she has made of the effectiveness of the published evidence and legal findings relating to operational colour vision assessments in other jurisdictions.
Answered by Keir Mather
While some national aviation authorities have begun to explore operational colour vision assessments, the UK Civil Aviation Authority (CAA) is not aware of any peer‑reviewed evidence demonstrating their validation or safety equivalence to established testing methods.
The UK CAA does liaise with other regulators that have implemented operational colour vision assessments. This includes discussions on their experience with these assessments, which will be taken into consideration to inform future UK CAA policy.
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