Civil Aviation Order 108.26 - System specification - Oxygen systems (12/12/2004) (Cth)

Civil Aviation Order 108.26 (as amended)

made under subregulations 207 (2) and (3) of the Civil Aviation Regulations 1988. This compilation was prepared on 2 November 2007 taking into account amendments up to Civil Aviation Order 108.26 Amendment Order (No. 1) 2007. Prepared by the Legislative Drafting Branch, Legal Services Group, Civil Aviation Safety Authority, Canberra.

Contents System specification — oxygen systems

Page 1 Application 2 Abbreviations 3 Oxygen specifications 4 System arrangements 5 Dispensing units 6 Minimum mass flow of supplemental oxygen 7 Protective breathing equipment Appendix II Notes to Civil Aviation Order 108.26

Section 108.26

System specification — oxygen systems

1 Application 1.1This section of Civil Aviation Orders contains specifications for aircraft oxygen systems intended for operation at altitudes up to 40 000 feet and is applicable in such circumstances as may be specified by CASA or an authorised person under the Civil Aviation Regulations 1988. Note Specifications for oxygen systems in aircraft intended for operations at altitudes above 40 000 feet are subject to separate determination by CASA.

2 Abbreviations BTPD means body temperature and pressure dry. BTPS means body temperature and pressure saturated. STPD means standard temperature and pressure dry. (0C. at 760 mm Hg, dry)

3 Oxygen specifications 3.3 (1) Oxygen used in gaseous oxygen systems must comply with a specification acceptable to CASA. The following specifications are acceptable: C.I.G. Gas Code 420 or 430; RAAF Specification G172; U.K. Ministry of Defence DEF STAN 68-2 1/1; U.S. Military Specification MIL-0-272 10. (2) Oxygen produced by chemical means in an aircraft oxygen system must comply with a specification acceptable to CASA. The following specifications are acceptable: U.S. Military Specification MIL-E-83252; Scott Engineering Report 1024.