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S8C10 - DRY BREATHING OXYGEN SAFETY, QUALITY ASSURANCE AND MAINTENANCE

Table of Contents

INTRODUCTION

OXYGEN PUBLICATIONS

Maintenance and General Cleaning

Design

RESPONSIBILITIES

Base Dry Breathing Oxygen Quality Assurance Officer

Senior Maintenance Manager

ADF Aircraft and GSE Technicians

Contractor Aircraft and GSE Technicians

Unit Dry Breathing Oxygen Quality Assurance Representative

OXYGEN–RELATED SAFETY

LDBO QUALITY ASSURANCE REQUIREMENTS

OXYGEN COMPONENT REPAIR AND OVERHAUL MAINTENANCE FACILITIES REQUIREMENTS

WARNING - AAP 7001.059 TAREG VERSION

WARNING

The procedures in AAP7001.059-TAREG support compliance with AAP7001.053-Technical Airworthiness Regulations, which have been superseded.

Procedures supporting compliance with AAP8000.011-Defence Aviation Safety Regulations are contained in AAP 7001.059-DASR

An organisation’s exposition details which 059 version is applicable

INTRODUCTION

1. Dry Breathing Oxygen (DBO) is used in military aircraft for protection of crew members and passengers against the effects of hypoxia at cabin altitudes above 10 000 feet, and against the inhalation of toxic materials which may be present in the aircraft in an emergency. There are four means of providing DBO:

  1. Gaseous Dry Breathing Oxygen (GDBO)
  2. Liquid Dry Breathing Oxygen (LDBO)
  3. Chemical Oxygen Generators
  4. On-Board Oxygen Generation Systems.

2. DBO systems introduce hazards into the maintenance environment. Oxygen increases material flammability and LDBO can cause cryogenic burns. Meticulous attention to quality of both systems and the DBO supplies is essential to minimise the risk of fire or contamination of supplies. Exacting standards of cleanliness of oxygen systems in aircraft, ground maintenance facilities and replenishment equipment is vital. Maintenance practices also require special procedures to ensure cleanliness levels are preserved and hazards to personnel are minimised.

3. This chapter provides instructions for Approved Maintenance Organisations (AMO) responsible for the aircraft oxygen systems and/or facilities.

OXYGEN PUBLICATIONS

Maintenance and General Cleaning

4. The maintenance and general cleaning of all ADF aircraft oxygen systems, related GSE and aircraft oxygen maintenance facilities should be in accordance with the following publications unless the responsible SPO provides an authorised alternate:

  1. AAP 7002.023(AM1) - Dry Breathing Oxygen Technical Requirements and General Information
  2. AAP 7055.001–99(AM1) - Liquid and Gaseous Dry Breathing Oxygen Maintenance Instructions.

Design

5. AAP 7001.054 - Electronic Airworthiness Design Requirements Manual governs the design requirements for new and replacement aircraft oxygen systems.

RESPONSIBILITIES

Base Dry Breathing Oxygen Quality Assurance Officer

6. A Base Dry Breathing Oxygen Quality Assurance Officer (BDBOQAO) must be appointed by the Base Commander (or equivalent) for each ADF base or formation with aircraft DBO storage, replenishment or maintenance responsibilities. The BDBOQAO responsibilities are confined to aircraft oxygen and support systems and are defined in AAP 7002.023(AM1).

Senior Maintenance Manager

7. The Senior Maintenance Manager (SMM) or delegate is responsible for ensuring appropriately qualified and authorised personnel perform oxygen system maintenance in accordance with the applicable authorised maintenance data.

ADF Aircraft and GSE Technicians

8. Authorisation for ADF Aircraft and GSE Technicians to perform maintenance and inspection of aircraft oxygen systems and oxygen ground support equipment is restricted to those members who have completed training as defined in AAP 7002.023(AM1).

Contractor Aircraft and GSE Technicians

9. Authorisation for contractor Aircraft and GSE Technicians to perform maintenance and inspection of aircraft oxygen systems and oxygen ground support equipment is restricted to those members who have completed training as defined in DEF(AUST)9022 - Requirements for Civilian Personnel Maintaining State Aircraft and Aeronautical Product or equivalent as approved by DGTA–ADF.

Unit Dry Breathing Oxygen Quality Assurance Representative

10. A Unit Dry Breathing Oxygen Quality Assurance Representative (UDBOQAR) must be appointed by the SMM or CO for AMOs which have aircraft LDBO/GDBO storage, replenishment or maintenance responsibilities. The UDBOQAR will normally be a Junior Officer or Senior Non-Commissioned Officer (or civilian equivalent). The responsibilities of the UDBOQAR are defined in AAP 7002.023(AM1).

OXYGEN - RELATED SAFETY

11. All oxygen–related maintenance must conform to the appropriate safety requirements in AAP 7002.023(AM1).

LDBO QUALITY ASSURANCE REQUIREMENTS

12. LDBO quality assurance and base LDBO storage compounds must be maintained in accordance with AAP 7002.023(AM1).

OXYGEN COMPONENT REPAIR AND OVERHAUL MAINTENANCE FACILITIES REQUIREMENTS

13. Except where the responsible SPO determines that OEM or other authorised maintenance data requirements must be used, all oxygen component repair and overhaul maintenance must be carried out in oxygen workshop maintenance facilities that comply with the appropriate requirements defined in AAP 7002.023(AM1).

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