(1) No person shall act as a crew member of an aircraft—
(a) whilst using any psychoactive substance which may affect his or her faculties in any manner that may jeopardise safety;
(b) within 24 hours following scuba diving by such flight crew member;
(c) within 72 hours following blood donation by such flight crew member;
(d) if the crew member knows or suspects that he or she is suffering from or, having due regard to the circumstances of the flight to be undertaken, is likely to suffer from fatigue to such an extent that it may endanger the safety of the aircraft or its occupants; or
(e) if the crew member is in any doubt of being able to accomplish his or her assigned duties on board the aircraft.
(2) No crew member shall—
(a) consume any alcohol less than 8 hours prior to commencing standby for operational duty or commencing operational duty, which operational duty shall be deemed to commence at the specified reporting time, if applicable;
(b) commence an operational duty period while the concentration of alcohol in his or her blood, is more than 0,02 g per 100 ml; or
(c) consume alcohol during flight duty or whilst on standby, or within eight hours after an accident or reportable incident involving the aircraft, unless the accident or incident was not related to his or her duties.
(3) No person shall act as a flight crew member of an aircraft if, prior to each flight, the expected flight time exceeds, or is likely to exceed, the permissible aggregate of—
(a) for all flying—
(i) for pilots not subject to an approved flight time and duty period scheme, 10 hours within a 24 hour period;
(ii) 400 hours, during the preceding 90 days;
(iii) 700 hours, during the preceding six months; or
(iv) 1000 hours, during the preceding 12 months;
(b) in the case of flight instructors conducting ab initio or any training towards an initial rating or licence, six hours within one calendar day: Provided that, for the purposes of computing flight time in meeting the limitation referred to in paragraph (a) (i), each flight hour spent in such training shall be deemed to be one and one-half (1½) hours flight time;
(c) as part of a multi-pilot crew for a flight to be undertaken wholly or partly under IFR—
(i) 120 hours, during the preceding 30 days; or
(ii) 300 hours, during the preceding 90 days; or
(d) as the sole pilot of an aircraft for a flight to be undertaken wholly or partly under IFR, 100 hours during the preceding 30 days.
(a) 400 hours, during the preceding 90 days;
(b) 700 hours, during the preceding six months; or
(c) 1000 hours, during the preceding 12 months.