Canadian Aviation Regulations (SOR/96-433)

705.72 No air operator shall operate a pressurized aircraft with passengers on board unless the aircraft is equipped with oxygen dispensing units and an undiluted supply of first aid oxygen sufficient to provide two per cent of the occupants, and in any case at least one person, with oxygen for one hour or the entire duration of the flight at a cabin pressure-altitude above 8,000 feet, after an emergency descent following cabin depressurization, whichever period is longer.

705.73 No person shall operate an aircraft unless the aircraft is equipped with an interphone system that can be operated independently of the public address system required by section 705.74, except for handsets, headsets, microphones, selector switches and signalling devices.

705.74 No person shall operate an aircraft with passengers on board unless the aircraft is equipped with a public address system that can be operated independently of the interphone system required by section 705.73, except for handsets, headsets, microphones, selector switches and signalling devices.

• 705.75 (1) Subject to subsection (2), no person shall operate an aircraft unless all pilot seats and seats for each flight attendant required pursuant to section 705.104 are equipped with a safety belt that includes dual upper torso straps with a single-point release.

• (2) Seats for each flight attendant required pursuant to section 705.104 on the HS 748 and on any aeroplane for which an initial type approval was issued before January 1, 1958 need not be equipped as specified in subsection (1) until June 1, 2000.

705.76 No person shall operate an aircraft unless

• (a) each lavatory in the aircraft is equipped with a smoke detector system or equivalent that provides

  • (i) a warning light in the cockpit, or

  • (ii) a warning light or audible warning in the passenger compartment that can be readily detected by a flight attendant, taking into consideration the positioning of flight attendants throughout the passenger compartment during the flight;

• (b) each lavatory in the aircraft is equipped with a built-in fire extinguisher for each waste disposal receptacle that is installed in the lavatory, and each extinguisher is designed to discharge automatically into the disposal receptacle on the occurrence of a fire in that receptacle;

• (c) a readily visible sign that clearly displays a symbol indicating that smoking is prohibited or the words “No Smoking” and “Défense de fumer” is installed above the door handle on both sides of the door to each lavatory in the aircraft;

• (d) a readily visible sign that clearly displays a symbol indicating that cigarette disposal is prohibited or the words “No Cigarette Disposal” and “Défense de jeter des cigarettes” is installed adjacent to the opening of each waste disposal receptacle that is located in a lavatory in the aircraft; and

• (e) a self-contained, removable ashtray is installed on or near the outside of the door to each lavatory in the aircraft or in some other location or locations where it is readily visible to the users of each lavatory from outside the lavatory.

705.77 No person shall operate an aeroplane for which an initial type certificate was issued after January 1, 1958 unless all passenger compartment seat cushions meet the standards respecting the fire protection of seat cushions set out in Chapter 525 of the Airworthiness Manual.