Canadian Aviation Regulations

801.01 (1) No person shall act as an air traffic controller or a flight service specialist

• (a) within eight hours after consuming alcohol;

• (b) while under the influence of alcohol; or

• (c) while under the influence of any drug or other substance that impairs the person’s faculties to the extent that aviation safety is affected.

(2) No air traffic controller shall issue an air traffic control clearance or an air traffic control instruction except

• (a) in the case of domestic airspace, in accordance with the Canadian Domestic Air Traffic Control Separation Standards; and

• (b) in the case of international airspace in respect of which Canada has accepted, by means of a regional air navigation agreement, the responsibility of providing air navigation services, in accordance with the standards contained in Chapter 3 of Annex 11 to the Convention.