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Standard

Oxygen System Maintenance Guide

2023-08-23
CURRENT
AIR1392A
This document is intended to give general instructions and directions for personnel performing maintenance and modification work on Oxygen Systems.
Standard

Minimum General Standards for Oxygen Systems

2023-05-10
CURRENT
AS861C
This standard covers all types of oxygen breathing equipment used in non-military aircraft. It is intended that this standard supplements the requirements of the detail specification or drawings of specific components or assemblies (e.g., regulators, masks, cylinders, etc.). Where a conflict exists between this standard and detail specifications, detail specifications shall take precedence.
Standard

Oxygen Considerations for High Elevation Airport Operations (HEAO)

2021-08-26
CURRENT
AIR6829
This document covers information concerning the use of oxygen when flying into and out of high elevation airports for both pressurized and non-pressurized aircraft. Oxygen requirements for pressurized aircraft operating at high altitudes have for decades emphasized the potential failures that could lead to a loss of cabin pressurization coupled with the potential severe hypoxic hazard that decompressions represent. This document is intended to address the case where the relationship between cabin and ambient pressures are complicated by operations at high terrestrial altitudes. Operators who fly into these high-altitude airports should address the issues related to this environment because it carries the potential for insidious hypoxia and other conditions which can affect safety. It provides information to consider in developing operational procedures to address hypoxia concerns consistent with regulatory mandates.
Standard

Aircraft Oxygen Replenishment Coupling for Civil Transport Aircraft (Design Standard)

2021-03-09
WIP
AS1219B
This SAE Aerospace Design Standard defines a coupling, which is installed in a high pressure (1850 to 2000 psig) oxygen system of a civil transport aircraft for the purpose of mating to ground oxygen replenishment facilities. Dimensions developed from AND10089, Detail Specification Sheet for Fitting End, Design Standard, For Cone Connection.
Standard

Oxygen System and Component Cleaning

2020-10-19
CURRENT
ARP1176B
This SAE Aerospace Recommended Practice (ARP) provides recommended practices for the cleaning of aircraft oxygen equipment, both metallic and non-metallic articles, such as oxygen lines (tubes, hoses, etc.), components (including regulator and valve parts), cylinders, and ground-based equipment that may be used to support aircraft oxygen systems. This document also specifies work area details, methods for selecting suitable cleaning agents, cleaning methods, and test methods for verifying levels of cleanliness. The cleanliness coding scheme specified in this document provides a method for documenting minimum cleanliness level requirements and for identifying compliance.
Standard

Aircraft Oxygen Replenishment Coupling for Civil Transport Aircraft (Design Standard)

2020-02-28
CURRENT
AS1219A
This SAE Aerospace Design Standard defines a coupling, which is installed in a high pressure (1850 to 2000 psig) oxygen system of a civil transport aircraft for the purpose of mating to ground oxygen replenishment facilities. Dimensions developed from AND10089, Detail Specification Sheet for Fitting End, Design Standard, For Cone Connection.
Standard

Oxygen Cylinder Installation Guide

2019-04-11
CURRENT
ARP5021B
This document provides guidance for oxygen cylinder installation on commerical aircraft based on airworthiness requirements, and methods practiced within aerospace industry. It covers considerations for oxygen systems from beginning of project phase up to production, maintenance, and servicing. The document is related to requirements of DOT-approved oxygen cylinders, as well to those designed and manufactured to standards of ISO 11119. However, its basic rules may also be applicable to new development pertaining to use of such equipment in an oxygen environment. For information regarding oxygen cylinders itself, also refer to AIR825/12.
Standard

Oxygen Flow Indication

2019-01-10
CURRENT
AS916C
This SAE Aerospace Standard (AS) defines the overall requirements applicable to oxygen flow indication as required by Airworthiness Requirements of CS/FAR 25.1449 to show that oxygen is being delivered to the dispensing equipment. Requirements of this document shall be applicable to any type of oxygen system technology and encompass “traditional” pneumatic devices, as well electric/electronic indication.
Standard

Oxygen System and Component Cleaning

2018-10-18
HISTORICAL
ARP1176A
This SAE Aerospace Recommended Practice (ARP) provides recommended practices for cleaning aircraft oxygen equipment such as tubing, pieces, parts (including regulator and valve parts), cylinders and ground-based equipment that may be used to support aircraft oxygen systems. This revision introduces a cleanliness coding scheme that can be referenced as a requirement, and/or referenced to identify compliance to meeting such a requirement. These methods may apply to gaseous and liquid oxygen equipment. This document specifies work area details, methods to select suitable cleaning agents, cleaning methods, test methods to verify cleanliness level, and methods of packaging the components and parts after cleaning. Technicians designated to clean oxygen equipment must be qualified and trained to clean oxygen equipment. This ARP is applicable to metallic and non-metallic parts.
Standard

Oxygen Cylinder Quality, Serviceability, Maintenance Transfilling and Marking

2017-05-19
HISTORICAL
AIR1059E
This document provides guidance concerning the maintenance and serviceability of oxygen cylinders beginning with the quality of oxygen that is required, supplemental oxygen information, handling and cleaning procedures, transfilling and marking of serviced oxygen assemblies. This document attempts to outline in a logical sequence oxygen quality, serviceability, and maintenance of oxygen cylinders. Content of this document can also be used for refilling of oxygen cylinder while installed on aircraft, directly or through an intermediate charging port.
Standard

Oxygen Cylinder Installation Guide

2016-11-18
HISTORICAL
ARP5021A
This document provides guidance for oxygen cylinder installation on commercial aircraft based on rules and methods practiced in aerospace industry and applicable in other associations. It covers considerations for oxygen systems from beginning of project phase up to production, maintenance, and servicing. The document is focused on requirements regarding DOT approved oxygen cylinders. However, its basic rules may also be applicable to new development pertaining to use of such equipment in an oxygen environment. For information regarding oxygen cylinders itself, reference should be made to AIR825/12 also.
Standard

Automatic Presentation of Supplemental Oxygen Masks

2012-04-12
HISTORICAL
ARP4287
This SAE Aerospace Recommended Practice (ARP) provides design, operation, construction, test and installation recommendations for equipment that automatically presents supplemental oxygen masks to cabin occupants in the event of loss of cabin pressure. It specifically covers automatic presentation for transport category aircraft that operate above 30,000 ft (9144 m) altitude, although it also provides guidance for similar equipment used in non-transport category aircraft, or aircraft operated below 30,000 f (9144 m) altitude.
Standard

Oxygen Cylinder Quality, Serviceability, Maintenance Transfilling and Marking

2010-10-14
HISTORICAL
AIR1059C
This document provides guidance concerning the maintenance and serviceability of oxygen cylinders beginning with the quality of oxygen that is required, supplemental oxygen information, handling and cleaning procedures, transfilling and marking of serviced oxygen assemblies. This document attempts to outline in a logical sequence oxygen quality, serviceability and maintenance of oxygen cylinders.
Standard

Aerospace Information Report for Continuous Flow Oxygen Hose Disconnect Fittings

2009-08-27
HISTORICAL
AIR1358B
This Aerospace Information Report (AIR) indicates those dimensions, deemed critical by the manufacturer to assure proper mating of disconnect hose fittings. The dimensions are critical, but not necessarily complete, in defining these fittings since there are other criteria which must also be met.
Standard

Transfilling and Maintenance of Oxygen Cylinders

2008-11-17
HISTORICAL
AIR1059B
The purpose of this document is to list the best available information and guidelines for the qualification of personnel who are responsible for the filling of fixed or portable aircraft oxygen cylinders.
Standard

Oxygen Cylinder Installation Guide

2005-10-24
HISTORICAL
ARP5021
This document provides guidance for oxygen cylinder installation on commercial aircraft based on rules and methods practiced in aerospace industry and as far as applicable in other associations. It covers considerations to be taken for oxygen systems from beginning of project phase up to production, maintenance, and servicing. The document is focused on requirements regarding DOT approved oxygen cylinders. However, its basic rules may also be applicable to new development pertaining to use of such equipment in an oxygen environment. For information regarding oxygen cylinders itself, reference should be made to AIR825/12 also.
Standard

Oxygen System Integration and Performance Precautions

2002-04-01
HISTORICAL
AIR825/12
Oxygen system integration and performance precautions are in particularly dependent on applicable sections of airworthiness requirements per FAR/JAR 25. In this document information will be provided on common principles and good practices regarding design criteria, installation, manufacturing, safety aspects and system handling during maintenance and inspection.
Standard

Cleaning Methods and Procedures for Breathing Oxygen Equipment

2001-06-01
CURRENT
AS13591A
The purpose of this document is to provide minimum requirements for cleaning aircraft breathing oxygen systems and components, inspection methods and packaging after cleaning, and guidelines for oxygen equipment cleaning areas. Applicability: When this standard is specified in an acquisition document, the applicable requirements of this standard that apply to the acquisition document shall be identified. Application guidance: Certain provisions of this standard and the manufacturer's cleaning inspection and packaging procedures may differ due to oxygen equipment complexity of construction, material, etc. These differences shall be identified in the acquisition document with a determination of what is acceptable; the provisions of this standard, the manufacturer's procedure, or a specified acceptable alternate, as applicable.
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