# Commission Regulation (EU) No 965/2012 of 5 October 2012 laying down technical requirements and administrative procedures related to air operations pursuant to Regulation (EC) No 216/2008 of the European Parliament and of the Council, Division (a): All pressurised aeroplanes and those unpressurised aeroplanes with an MCTOM of more than 5 700 kg or having an MOPSC of more than 19 seats shall be equipped with protective breathing equipment (PBE) to protect the eyes, nose and mouth and to provide for a period of at least 15 minutes:

Extent: E+W+S+N.I.

(1)oxygen for each flight crew member on duty in the flight crew compartment;
(2)breathing gas for each required cabin crew member, adjacent to his/her assigned station; and
(3)breathing gas from a portable PBE for one member of the flight crew, adjacent to his/her assigned station, in the case of aeroplanes operated with a flight crew of more than one and no cabin crew member.

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Source: https://www.legislation.gov.uk/eur/2012/965/annex/IV/division/subpart+d/division/section+1/division/catidea245/division/a (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-965/annex-IV/division-subpart+d/division-section+1/division-catidea245/division-a
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.