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Standard

Protective Breathing Equipment for Flight Deck and Cabin Crew Members
2023-01-26
CURRENT
AIR825/10A
This SAE Aerospace Information Report (AIR) provides general information to aircraft engineers, regarding the types of Protective Breathing Equipment (PBE) configurations which are available, the intended functions of such equipment, and the technical approaches which may be used in accomplishing these functions. The term "PBE" or "Protective Breathing Equipment" has been used to refer to various types of equipment, which are used in a variety of applications. This way of using the terminology has been a source of confusion in the aviation industry. One objective of this AIR is to assist the reader in distinguishing between the types of PBE applications. A further objective is to assist in understanding the technical approaches which can be used in each of the major applications. Principles of PBE design are reviewed briefly.
Standard

Closed-Cycle Protective Breathing Devices
2023-01-26
CURRENT
AIR825/11A
Closed-cycle protective breathing apparatus, commonly referred to as rebreathers, or CCBA provide trained aircrew members or ground personnel with eye and respiratory protection from toxic atmospheres.
Standard

Continuous Flow Oxygen Systems
2023-01-26
CURRENT
AIR825/8
This SAE Aerospace Information Report (AIR) provides general information on Continuous Flow Oxygen Systems which are available, principle functions of those systems and technical approaches to be taken into account during design and realization of systems. However, particular performance specifications and detailed information of manufacturing, testing and integration of such systems is beyond the scope of this document.
Standard

FAR - Regulatory Requirements Covering the Use of Breathing Oxygen in Aircraft
2022-06-27
CURRENT
AIR1389C
This report presents, paraphrased in tabular format, an overview of the Federal Aviation Regulations (FAR) for aircraft oxygen systems. It is intended as a ready reference for those considering the use of oxygen in aircraft and those wishing to familiarize themselves with the systems requirements for existing aircraft. This document is not intended to replace the oxygen related FAR but rather to index them in some order. For detailed information, the user is referred to the current issue of the relevant FAR paragraph referenced in this report.
Standard

Basic Aircraft Oxygen Systems Design
2021-08-11
CURRENT
AIR825/14
This slash document collects general reference material related to gaseous oxygen system flow requirements and sizing calculations. This document will assist oxygen system equipment designers and operators to establish systems and equipment requirements. The document consists of charts, tables, system schematics, system requirements, and sample calculations for system sizing.
Standard

Passenger Oxygen Mask
2021-08-11
CURRENT
AS8025A
This standard covers oronasal type masks which use a continuous flow oxygen supply. Each such mask comprises a facepiece with valves as required, a mask suspension device, a reservoir, or rebreather bag (when used), a length of tubing for connection to the oxygen supply source, and a means for allowing the crew to determine if oxygen is being delivered to the mask. The assembly shall be capable of being stowed suitably to meet the requirements of its intended use.
Standard

Location of Crew and Passenger Oxygen Masks, Portable Oxygen System, and Protective Breathing Equipment
2021-08-10
CURRENT
ARP6390
Various emergency situations may require the dispensing of oxygen to all occupants of aircraft during flight. During an emergency event, depending on the aircraft operational flight capability, all cabin occupants must be serviced by a mask presentation system connected to an operational oxygen source. Several regulations specify the functional characteristics and requirements of the oxygen systems for aircraft in support of different missions. These should be referred to for the exact functional performance requirements. It is not the intent of this document to ensure conformance with these regulations, but only to recommend general concepts for the location of the oxygen masks and oxygen system outlets for proper accessibility by the aircraft occupants, whether cabin occupants or crew members. Different requirements may apply when the mission of the pressurized aircraft or the operational altitude of the aircraft is not in excess of FL250.
Standard

Chemical Oxygen Systems
2021-08-09
CURRENT
AIR825/4A
This SAE Aerospace Information Report (AIR) provides an orientation regarding the general technology of chemical oxygen generators to aircraft engineers for assistance in determining whether chemical oxygen generators are an appropriate oxygen supply source for hypoxia protection in a given application and as an aid in specifying such generators. Information regarding the details of design and manufacture of chemical oxygen generators is generally beyond the scope of this document.
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

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 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

Continuous Flow Chemical Oxygen Generators
2014-06-24
CURRENT
AS1304B
This SAE Aerospace Standard (AS) applies to performance and testing of solid chemical oxygen generators which produce oxygen at essentially ambient pressure for use aboard aircraft whose cabin pressure altitude does not exceed 40,000 ft (about 12,200 m). Portable chemical oxygen devices are covered by AS1303.
Standard

Useful Life Determination for Chemical Oxygen Generators
2014-02-13
CURRENT
ARP1894B
The scope of this document is to provide a guideline for the preparation of a plan for testing of inservice chemical oxygen generators to confirm their design useful life. The test program should also allow determination with a sufficient level of confidence, whether generators are suitable for further use (i.e., life extension, or if the useful life limit has been reached).
Standard

Useful Life Determination for Chemical Oxygen Generators
2013-12-13
HISTORICAL
ARP1894A
The scope of this document is to provide a guideline for the preparation of a plan for testing of inservice chemical oxygen generators to confirm their design useful life. The test program should also allow determination with a sufficient level of confidence, whether generators are suitable for further use (i.e., life extension, or if the useful life limit has been reached).
Standard

CONTINUOUS FLOW CHEMICAL OXYGEN GENERATORS
2011-08-15
HISTORICAL
AS1304
This Aerospace Standard (AS) provides recommended design guidelines for composition formation, performance, testing and reliability of metal-chlorate-perchlorate class solid chemical oxygen generators, supplying oxygen at essentially ambient pressure, for aircraft whose cabin pressure altitude does not exceed 40,000 feet (12,192 m).
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