7th December 2004 Official Report (Commons Hansard), Vol.428, Col. 420W,

Air Passengers (Chemical Exposure)

Mr. Tyler: To ask the Secretary of State for Transport whether the Civil Aviation Authority records incidents of UK pilots flying with (a) headaches, (b) eye, nose and throat irritation, (c) concentration difficulties and (d) dizziness and nausea. [202743]

Charlotte Atkins: The CAA has a Mandatory Occurrence Reporting (MOR) system in place and any form of incident leading to incapacitation while on duty has to be reported by the pilot.