What is the applicable standard for a passenger oxygen mask assembly, continuous flow, under ETSO-C64b, and how must it be modified?

The applicable standard is SAE AS8025A, Passenger Oxygen Mask, dated (revised) January 1999, modified as specified in Appendix 1 to ETSO-C64b.

Which sections of SAE AS8025A are to be disregarded under ETSO-C64b?

Section 1 (SCOPE), Paragraph 3.2 (Deviations), and Paragraph 3.11 (Identification Markings) are to be disregarded.

What material and fire propagation requirements apply to the construction of the passenger oxygen mask under ETSO-C64b?

The device, including packaging, must be constructed of materials that will not contribute significantly to fire propagation and that comply with CS 25.853(a). Mask materials typically used should meet CS-25 Appendix F, Part I(a)(1)(ii) and/or Part I(a)(1)(iv).

What cleaning and sterilizing requirements are specified for the oxygen mask under ETSO-C64b?

The material of the oxygen mask shall permit cleaning and sterilizing without adverse effects and without major disassembly. The cleaning method must be either manufacturer-recommended or according to SAE ARP 1176. Cleaning and sterilizing procedures shall be included in the CMM.

What must be included in the CMM regarding elastomer components of the oxygen mask?

Life limits and inspection procedures for elastomer components shall be included in the CMM.

What marking requirements apply to the oxygen mask under ETSO-C64b?

Marking requirements are specified in paragraph 4 of ETSO-C64b; SAE AS8025A Paragraph 3.11 is disregarded.

What standard must flow indication comply with under ETSO-C64b?

Flow indication must comply with AS 916B, Oxygen Flow Indicators, as applicable.

Appendix 1 to ETSO-C64b - MPS for Passenger Oxygen Mask Assembly, Continuous Flow

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Appendix 1 to ETSO-C64b – MPS for Passenger Oxygen Mask Assembly, Continuous Flow

ED Decision 2016/029/R

The applicable standard is SAE AS8025A, Passenger Oxygen Mask, dated (revised) January 1999 and shall be modified as follows:

SAE AS8025A Paragraph	Action
Section 1, SCOPE	To be disregarded.
Paragraph 3.2, Deviations	To be disregarded.
Paragraph 3.3.1, General	Shall be revised: ‘Construct the device, including packaging, of materials that will not contribute significantly to fire propagation and that comply with CS 25.853(a). Mask materials typically used should meet CS-25 Appendix F, Part I(a)(1)(ii) and/or Part I(a)(1)(iv).’
Paragraph 3.3.3, Cleaning and sterilization	Shall be revised: ‘Cleaning and Sterilizing: The material of the oxygen mask shall permit cleaning and sterilizing without adverse effects, and without major disassembly. The cleaning method must be either manufacturer-recommended, or according to SAE ARP 1176, Oxygen System Component Cleaning and Packaging. Cleaning and sterilizing procedures shall be included in the CMM.’
Paragraph 3.3.4, Elastomer Components	The following sentence shall be added: ‘Life limits and inspection procedures shall be included in the CMM.’
Paragraph 3.11, Identification Markings	To be Disregarded. Marking requirements are specified in paragraph 4 of this ETSO.
Paragraph 4.5.2	Flow indication must comply with AS 916B, Oxygen Flow Indicators, as applicable

[Amdt ETSO/12]

Details

Source-Title: Appendix 1 to ETSO-C64b - MPS for Passenger Oxygen Mask Assembly, Continuous Flow View latest amendments

Erulesid: ERULES-1963177438-9257 Compare versions

Domain: Initial airworthiness

Amendedby: Amendment 12

Applicabilitydate: 19 December, 2016

Entryintoforcedate: 19 December, 2016

Regulatorysource: ED Decision 2016/029/R Navigate

Regulatorysubject: CS-ETSO

Typeofcontent: CS (Certification specification)

Parentir: ETSO-C64b

Origin: EASA

Category: EAR