Document ID: chunk:federal_register_of_legislation:F2024C01173:reg:3:p3
Version: federal_register_of_legislation:F2024C01173
Segment Type: reg
Provision Reference: reg 3 (pt 3/3)
Character Range: 262644–264275

of only 25 000 ft or below; and
 (b) the aeroplane is able to safely descend within 4 minutes to a cabin pressure altitude of 13 000 ft;
then the supplemental oxygen supply requirements in table 11.40 may be reduced as mentioned in subsection (2B).
 (2B) For subsection (2A):
 (a) for a person mentioned in column 1 of item 2 of the table (required cabin crew members)—to a supply for each required cabin crew member for the entire period when the cabin pressure altitude is between 10 000 ft and 13 000 ft; and
 (b) for a person mentioned in column 1 of item 3 of the table (passengers and crew not covered by item 1 or 2 of the table)—to a supply for 10% of the passengers and those crew, for the entire period when the cabin pressure altitude is between 10 000 ft and 13 000 ft.
 (3) For a person mentioned column 1 of an item in the table, supplemental oxygen must be made available through an oxygen dispensing unit in accordance with the supply requirements mentioned for the item in column 2.
 (4) Each flight crew member and assisting crew member must use the supplemental oxygen that is made available to each of them in accordance with the supply requirements mentioned in column 2 of item 1 of the table.

Table 11.40—Supplemental oxygen: requirements for pressurised aeroplanes
Item                                                                      Column 1                                                                Column 2

                                                                          Person                                                                  Supplemental oxygen supply requirements