Document ID: chunk:federal_register_of_legislation:F2024C01173:reg:3:p1
Version: federal_register_of_legislation:F2024C01173
Segment Type: reg
Provision Reference: reg 3 (pt 1/4)
Character Range: 274500–277425

3                                                                           Passengers and crew members not covered by item 2 of this table                1. For any period when the cabin pressure altitude is above 13 000 ft, there must be supply for each of the persons for the entire period.
                                                                                                                                                           2. For any period exceeding 30 minutes when the cabin pressure altitude is above 10 000 ft but not above 13 000 ft, there must be supply for the entire period for at least 10% of the the persons mentioned in column 1.

       11.42  Oxygen masks usage requirements—pressurised aeroplane above FL 250
        (1) This section applies for a flight of a pressurised aeroplane that is flown above FL 250 at any time during the flight.
 (2) At least one pilot occupying a pilot seat:
 (a) must be wearing a sealed oxygen mask (securely worn) that:
 (i) is being supplied with supplemental oxygen; or
 (ii) automatically supplies supplemental oxygen when the cabin pressure altitude is at or above 14 000 ft; or
 (b) must have access to a quick-donning mask that is supplied with supplemental oxygen when the mask is donned.
 (3) During the period when the aeroplane is flown above FL 450 during the flight, at least one pilot occupying a pilot seat must be wearing one of the following that is being supplied with supplemental oxygen:
 (a) a sealed oxygen mask (securely worn);
 (b) a quick-donning mask.

11.43  Oxygen dispensing units for passengers in a pressurised aeroplane
 (1) Subsection (2) applies for a pressurised aeroplane that:
 (a) is of a type that was first issued with either of the following, on or after 9 November 1998:
 (i) a certificate of airworthiness; or
 (ii) an authorisation (however described) equivalent to a certificate of airworthiness issued by the national aviation authority of a Contracting State; and
 (b) either:
 (i) is flown at or above FL 250 at any time during the flight; or
 (ii) if flown below FL 250—cannot safely descend from its flight level to a cabin pressure altitude of less than 13 000 ft within a period of 4 minutes in the event of a cabin depressurisation.
 (2) For the passengers mentioned in item 3 of table 11.40:
 (a) the oxygen dispensing units must be automatically deployable; and
 (aa) the units must be immediately available to each passenger on the flight, wherever seated; and
 (b) the number of dispensing units must exceed the number of passenger seats by 10% (additional units); and
 (c) the additional units must be evenly distributed throughout the passenger compartment.

11.44  Protective breathing equipment—flight crew members
 (1) When an aeroplane begins a flight, it must be carrying protective breathing equipment (PBE) for each flight crew member in accordance with this section.
 (2) The PBE:
 (a)