# 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 (b): Notwithstanding (a) and except for parachute operations, short excursions of a specified duration above 13 000 ft without using supplemental oxygen on other-than-complex aeroplanes and helicopters may be undertaken with a prior approval of the CAA based on the consideration of the following:

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

(1) the duration of the excursion above 13 000 ft is not more than 10 minutes or, if needed for a longer period, the time strictly necessary to the accomplishment of the specialised task;
(2) the flight is not conducted above 16 000 ft;
(3) the safety briefing in accordance with SPO.OP.135 includes adequate information to crew members and tasks specialists on the effects of hypoxia;
(4) SOPs for the concerned operation reflecting (1), (2) and (3);
(5) the previous experience of the operator in conducting operations above 13 000 ft without using supplemental oxygen;
(6) the individual experience of crew members and task specialists and their physiological adaptation to high altitudes; and
(7) the altitude of the base where the operator is established or the operations are conducted from.

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Source: https://www.legislation.gov.uk/eur/2012/965/annex/VIII/division/subpart+b/division/spoop195/division/b (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-965/annex-VIII/division-subpart+b/division-spoop195/division-b
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.