Comment Response Document: Carbon Monoxide in Piston Engine Aircraft

In February 2024 the CAA launched a four-week public consultation seeking stakeholder views on various topics associated with carbon monoxide (CO) in piston engine aircraft. The consultation asked nine technical questions and allowed for additional comments to be provided.

A total of 271 responses to the consultation were received. This Comment Response Document provides a summary of the responses received, the decisions made, as well as the next steps being taken.