AvRegs Canada

← Canadian Aviation Regulations

History — 605.31

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FIRST SEENsnapshot of 2026-03-01 · consolidation amended to 2025-12-09
Text as first captured
605.31 (1) No person shall operate an unpressurized aircraft unless it is equipped with sufficient oxygen dispensing units and oxygen supply to comply with the requirements set out in the table to this subsection. TABLE Oxygen Requirements for Unpressurized Aircraft Column I Column II Item Persons for Whom Oxygen Supply Must Be Available Period of Flight and Cabin-Pressure-Altitude 1 All crew members and 10 per cent of passengers and, in any case, no less than one passenger Entire period of flight exceeding 30 minutes at cabin-pressure-altitudes above 10,000 feet ASL but not exceeding 13,000 feet ASL 2 All persons on board the aircraft (a) Entire period of flight at-cabin-pressure altitudes above 13,000 feet ASL (b) For aircraft operated in an air transport service under the conditions referred to in paragraph (a), a period of flight of not less than one hour (2) No person shall operate a pressurized aircraft unless it is equipped with sufficient oxygen dispensing units and oxygen supply to provide, in the event of cabin pressurization failure at the most critical point during the flight, sufficient oxygen to continue the flight to an aerodrome suitable for landing while complying …