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ASD-STAN PREN 4856

Rotorcraft - Emergency Breathing Systems (EBS) - Requirements, testing and marking

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Organization: ASD-STAN
Publication Date: 1 September 2017
Status: active
Page Count: 30
scope:

This technical standard specifies requirements for Emergency Breathing Systems (EBS) for use by helicopter crew and passengers in the event of a ditching or water impact, to ensure minimum levels of performance. It applies to EBS for use by adults only.

Two categories of EBS are addressed by this standard; Category A EBS capable of being successfully deployed underwater and Category B EBS capable of being successfully deployed in air but not underwater.

This technical standard is applicable to compressed air, rebreather and hybrid rebreather designs of EBS.

Document History

PREN 4856
June 1, 2022
Aerospace series — Rotorcraft Emergency Breathing Systems (EBS) — Requirements, testing and marking
This document specifies requirements for Emergency Breathing Systems (EBS) for use by helicopter crew and passengers in the event of a ditching or water impact, to ensure minimum levels of...
ASD-STAN PREN 4856
September 1, 2017
Rotorcraft - Emergency Breathing Systems (EBS) - Requirements, testing and marking
This technical standard specifies requirements for Emergency Breathing Systems (EBS) for use by helicopter crew and passengers in the event of a ditching or water impact, to ensure minimum levels of...
PREN 4856
September 1, 2017
Rotorcraft - Emergency Breathing Systems (EBS) - Requirements, testing and marking
This technical standard specifies requirements for Emergency Breathing Systems (EBS) for use by helicopter crew and passengers in the event of a ditching or water impact, to ensure minimum levels of...

References

This document references:
EN 12021 - Respiratory equipment - Compressed gases for breathing apparatus
Published by CEN on April 1, 2014
This European Standard specifies requirements for the quality of compressed gas supplied for mixing or use in respiratory protective devices and hyper- and hypobaric operations. Account is taken of...
This document references:
EN 14143 - Respiratory equipment - Self-contained re-breathing diving apparatus
Published by CEN on July 1, 2013
This European Standard specifies minimum requirements for self-contained re-breathing diving apparatus to ensure a minimum level of safe operation of the apparatus. It applies to the following: - a...
This document references:
EN 250 - Respiratory equipment - Open-circuit self-contained compressed air diving apparatus - Requirements, testing and marking
Published by CEN on April 1, 2014
This European Standard specifies minimum requirements for self-contained open-circuit compressed air underwater breathing apparatus and their sub-assemblies to ensure a minimum level of safe...
This document references:
EN ISO 12894 - Ergonomics of the Thermal Environment - Medical Supervision of Individuals Exposed to Extreme Hot or Cold Environments
Published by CEN on June 1, 2001
A description is not available for this item.
This document references:
EN ISO 15027-3 - Immersion suits - Part 3: Test methods
Published by CEN on November 1, 2012
This part of ISO 15027 specifies the test methods for constant wear suits, including helicopter transit suits, and abandonment suits. Requirements for constant wear suits are given in ISO...
This document references:
EN ISO 9227 - Corrosion tests in artificial atmospheres - Salt spray tests
Published by CEN on November 1, 2022
This document specifies the apparatus, the reagents and the procedure to be used in conducting the neutral salt spray (NSS), acetic acid salt spray (AASS) and copper-accelerated acetic acid salt...
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