(1) A crew member of an aircraft for a flight contravenes this subregulation if:
(a) the crew member is, or is likely to be, unfit to perform a duty:
(i) that is a required duty for the crew member to perform during the flight; and
(ii) that is related to the safety of the aircraft or of the persons on the aircraft or cargo on the aircraft; and
(b) the crew member begins to carry out the crew member's duties for the flight.
(2) A crew member of an aircraft for a flight contravenes this subregulation if:
(a) the crew member carries out a duty for the flight; and
(i) the crew member consumes alcohol at any time during the period of 8 hours ending when the flight begins; or
(ii) if a test of a body sample of the crew member to determine the level of alcohol in the sample was taken at the time of carrying out the duty--the test would reveal that the permitted level for alcohol (within the meaning of Part 99) is exceeded.
(3) A crew member of an aircraft for a flight contravenes this subregulation if the crew member consumes alcohol while on board the aircraft.
(4) The operator of an aircraft for a flight contravenes this subregulation if:
(a) the operator believes on reasonable grounds that a crew member is unfit to perform a duty on the flight; and
(b) the duty relates to the safety of the aircraft or of the persons on the aircraft or cargo on the aircraft; and
(c) the operator assigns the crew member to duty for the flight.
(5) A person commits an offence of strict liability if the person contravenes subregulation (1), (2) or (3).
(6) A person commits an offence if the person contravenes subregulation (4).
(7) Strict liability applies to paragraphs (4)(b) and (c).
(8) Without limiting subregulation (1) or (4), a crew member is taken to be, or is taken to be likely to be, unfit to perform a duty if:
(a) the crew member is fatigued to the extent that the crew member's ability to safely perform the duty is reduced or likely to be reduced; or
(b) the crew member's ability to safely perform the duty is
impaired, or likely to be impaired, because the crew member has consumed, used
or absorbed a psychoactive substance.