Document ID: chunk:federal_register_of_legislation:F2005B00777:body:0:p1
Version: federal_register_of_legislation:F2005B00777
Segment Type: other
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Character Range: 0–2842

Civil Aviation Amendment Order
(No. R3) 2004

I, WILLIAM BRUCE BYRON, Director of Aviation Safety, on behalf of CASA, issue the following Civil Aviation Order under subregulation 207 (2) of the Civil Aviation Regulations 1988.

[Signed Bruce Byron]

Bruce Byron
Director of Aviation Safety and
   Chief Executive Officer

2 December 2004

__________________

1 Name of Order
  This Order is the Civil Aviation Amendment Order (No. R3) 2004.
2 Commencement
  This Order commences on gazettal.
       3                       Replacement of section 20.4 of the Civil Aviation Orders
  Section 20.4 of the Civil Aviation Orders is omitted and a new section substituted as set out in Schedule 1.
Schedule 1 Substitution of section 20.4 of the Civil Aviation Orders

SECTION 20.4

PROVISION AND USE OF OXYGEN AND PROTECTIVE BREATHING EQUIPMENT
1 APPLICATION
1.1 This section applies to all Australian aircraft.
2 INTERPRETATION
2.1 In this section:
 cabin attendant means a crew member, other than a flight crew member, who is qualified in the execution of emergency procedures in accordance with section 20.11 of the Civil Aviation Orders.
 cabin pressure altitude, in relation to aircraft with pressurised cabins, means the pressure altitude corresponding to the pressure in the cabin of the aircraft.
 emergency descent safety period, in relation to an aircraft, means the period determined by doubling the time specified by its manufacturer as the time required for the aircraft to descend from its maximum operating altitude to 10 000 feet.
 first aid oxygen means oxygen provided for emergency medical care from an aircraft storage system.
 high-capacity aircraft means an aircraft with a passenger seating capacity exceeding 38 passenger seats or a payload capacity exceeding 4 200 kgs.
 maximum operating altitude, in relation to an aircraft, means the highest altitude, according to its manufacturer, at which the aircraft may be operated.
 protective breathing equipment means equipment used to protect crew members from the effects of smoke and toxic fumes and gases, being equipment that complies with the requirements of:
 (a) section 108.26 of the Civil Aviation Orders; or
 (b) TSO C116.
2.2 Where, in calculating the number of passengers for the purposes of subparagraphs 6.4 (a) and (b), 7.5 (a) and (b), 8.8 (a) and paragraph 9.1, the number calculated is, or includes, a fraction of a whole number, that fraction is to be disregarded and the number is to be taken to be, or is to be increased by, 1, as the case requires.
2.3 Where this section requires an amount of supplemental oxygen to be provided to flight crew members on flight deck duty, then for the purposes of determining that amount, the amount of oxygen provided at flight crew member duty stations for protective breathing purposes may be taken into account in