Licences, fitness and medicalQuestion 169 of 351

Under which condition must a person not act as a crew member while using a drug?

  1. The drug was bought without a prescription
  2. The drug impairs the person’s faculties so that safety is endangered
  3. The drug has a label with a warning
  4. The drug is taken in the morning
Show answer

Correct answer: The drug impairs the person’s faculties so that safety is endangered

Paragraph 602.03(c) bans the use of a drug that impairs faculties to the extent that safety is endangered.

Source: Canadian Aviation Regulations (SOR/96-433), CAR 602.03 Alcohol or Drugs — Crew Members

Practice licences, fitness and medical

Questions last reviewed: 18 October 2026