Under the UK Transport Act of 1985, Section 94, individuals in the following key aviation roles must not work under the influence of alcohol beyond the prescribed limits when performing their duties. 

The roles that fall under this mandate for drug and alcohol testing include:

  • Pilots
  • Flight Navigators
  • Flight Engineers
  • Flight Radio-Telephony Operators
  • Cabin Crew
  • Trainers and Supervisors (Anyone attending the flight deck during flight for training, tests, observation, or recording experience)
  • Air Traffic Controllers
  • Licensed Aircraft Maintenance Engineers
  • Ground crews, and other roles that are ancillary to the main aviation functions [4]