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Appendix 1 to ETSO-C89a - MPS for Crew Member Oxygen Generators, Demand

Available versions for ERULES-1963177438-9235

ED Decision 2016/013/R found in: CS-ETSO Amdt 17 - European Technical Standard Orders (Oct 2026)

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###### Appendix 1 to ETSO-C89a – MPS for Crew Member Oxygen Generators, Demand

*ED
Decision
2016/013/R*

The applicable standard is SAE AS8027, Crew Member Oxygen Regulator,
Demand, dated 1 June 2004. It shall be modified as follows:

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AS
			8027 section:
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Action:
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Paragraph
			1.1, Scope
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Shall
			be disregarded
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			3.1.1
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To
			be revised:

Materials
			of a type, grade and quality shall be used where experience and/or
			tests have shown their suitability for the purpose.
Materials
			contaminating oxygen or materials that are adversely affected by
			continuous service with oxygen must not be used. Except for small
			parts like knobs, triggers, fasteners, seals, and electrical parts
			that do not contribute significantly to fire propagation,
			materials including packaging must comply with CS 25.853,
			Appendix F, Part 1 (a)(1)(iv).
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			3.1.2
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To
			be revised:
Filters
			have to be provided at oxygen inlet ports to prevent entrance of
			particles, which may be hazardous to the user or impair the
			function of the device. Filters must be equivalent to that of a
			200 mesh screen.
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Paragraph
			3.1.3
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To
			be revised:

For
			Class B, D, and E devices (diluter demand) an air inlet port has
			to be provided.
The
			port shall be designed to prevent entrance of particles, which may
			impair performance of the device. A 100 mesh screen or equivalent
			filter shall be used.
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Paragraph
			3.2.1.2
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To
			be revised:
Outlet
			Proof Pressure (Class A and B except Type IV)
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Paragraph
			3.2.1.3
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To
			be revised:
Outlet
			Proof Pressure (Class C, D and E except Type IV)
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Paragraph
			3.4,
Applicability
			Matrix, Table 7
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To
			be revised:

3.2.1.2
			Outlet Proof Pressure (Except Type IV)

3.2.1.3
			Outlet Proof Pressure (Except Type IV)
3.2.8
			Relief Valve (Except Type IV)
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			4.5.1
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To
			be revised:

High-temperature
			exposure:
The
			device shall be soaked for 12 hours at not less than 160° F
			(71.1 °C). Then the device shall be transferred to 70° F
			(21.1 °C), ambient temperature. Within 30 minutes of doing
			this, the device shall be tested to the requirements of paragraphs
			4.4.3 through 4.4.9.
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			4.5.2
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To
			be revised:

Low
			temperature exposure:
The
			device shall be soaked for 2 hours at not less than -65° F
			(-54°C). Then the device shall be transferred to 0° F (-17.8°C)
			for 2 hours to stabilise it. After this, the device shall be
			transferred to 70° F (21.1 °C), ambient temperature.
			Within 30 minutes of doing this, the device shall be tested to the
			requirements of paragraphs 4.4.3 through 4.4.9.
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Paragraph
			5.1, Identification
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To
			be disregarded.
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[Amdt ETSO/11]