Document ID: chunk:federal_register_of_legislation:F2024C01173:reg:3:p2
Version: federal_register_of_legislation:F2024C01173
Segment Type: reg
Provision Reference: reg 3 (pt 2/3)
Character Range: 260036–262859

fitted with a public-address system, in accordance with this section, to enable crew members to address the passengers whether the aeroplane is in flight or on the ground.
 (2) The public-address system, other than handsets, headsets, microphones, selector switches and signalling devices, must operate independently of:
 (a) the flight crew intercommunication system; and
 (b) the crew interphone system (if any).
 (3) The public-address system must be readily accessible for use by each flight crew member from the flight crew member's seat in the flight crew compartment.
 (4) At each emergency exit with an adjacent cabin crew seat on the same level as a passenger compartment (a relevant location), there must be a handset or microphone operable by the cabin crew member while seated.
 (5) Despite subsection (4), a single handset or microphone may serve more than one relevant location, but only if the 2 relevant locations are so close as to allow unassisted verbal communication between the seated cabin crew members.
 (6) The public-address system must be operable within 10 seconds of activation by a cabin crew member at each relevant location.
 (7) Announcements made using the public-address system must be audible at all of the following:
 (a) passenger seats;
 (b) toilets;
 (c) galleys;
 (d) cabin crew stations;
 (e) crew rest areas.

Division 9—Oxygen equipment and oxygen supplies

11.39  Definitions for Division 9, Chapter 11
  In this Division:
assisting crew member means a crew member assisting a flight crew member with the flight crew member's duties.
quick-donning mask means an oxygen mask that:
 (a) is for a flight crew member's personal use; and
 (b) within 5 seconds of it being deployed and ready for use, the flight crew member can, with 1 hand, place over the face, secure and seal.
required cabin crew member means a cabin crew member required for the flight of an aeroplane under regulation 121.635 of CASR.
standard temperature and pressure means 0 degrees Celsius at a pressure of 760 mm Hg.
STPD means standard temperature and pressure dry.

11.40  Supplemental oxygen—pressurised aeroplanes
 (1) A pressurised aeroplane operated at a pressure altitude above 10 000 ft (a relevant aeroplane) must be fitted with, or carry, supplemental oxygen equipment capable of storing and dispensing supplemental oxygen to crew members and passengers.
 (2) Subject to subsection (2A), a relevant aeroplane must carry sufficient supplemental oxygen to meet the requirements set out in table 11.40.
 (2A) If:
 (a) the relevant aeroplane is certified to fly with a pressure altitude 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