UK-CAAAlcohol and drugs
Notifying positive tests for alcohol or drugs to the CAA
Read the official ruleThe CAA requires operators to promptly report any positive tests for drugs or alcohol among flight and cabin crew. Operators must notify the CAA Medical Department via email, providing relevant personal details. Additionally, serious offenses related to drug or alcohol use while operating can lead to criminal charges, and suspected misuse should be reported to authorities.
Key points
- Operators must inform the CAA about any positive tests for psychoactive substances as soon as possible.
- Emails to the CAA should include the individual's name and CAA reference number or birth date.
- Cabin crew must have their medical status assessed by a medical practitioner after a positive test.
- It's illegal to fly under the influence of drugs or alcohol, and operators should report any suspected violations to the police.
- There are confidential methods for reporting any concerns about drug or alcohol misuse.
*Plain-English summary of UK Civil Aviation Authority guidance — always consult the official source (linked above) for current, authoritative requirements.*
This is an original plain-English explanation for training and reference, not legal advice and not for navigation. Always rely on the current official rule linked above. Last reviewed June 15, 2026.