# 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): For the purpose of (a) and for cabin crew training and qualifications, the operator shall determine:

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

(1) each aircraft as a type or a variant taking into account, where available, the relevant elements defined in the mandatory part of the operational suitability data established in accordance with Regulation (EU) No 748/2012 for the relevant aircraft type or variant; and
(2)variants of an aircraft type to be different types if they are not similar in the following aspects:
(i)emergency exit operation;
(ii)location and type of portable safety and emergency equipment;
(iii)type-specific emergency procedures.

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Source: https://www.legislation.gov.uk/eur/2012/965/annex/III/division/subpart+cc/division/section+2/division/orocc250/division/b (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-965/annex-III/division-subpart+cc/division-section+2/division-orocc250/division-b
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.