# 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): The following helicopters shall be equipped with an FDR that uses a digital method of recording and storing data and for which a method of readily retrieving that data from the storage medium is available:

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

(1)helicopters with an MCTOM of more than 3 175 kg and first issued with an individual CofA on or after 1 August 1999;
(2)helicopters with an MCTOM of more than 7 000 kg, or an MOPSC of more than nine, and first issued with an individual CofA on or after 1 January 1989 but before 1 August 1999.

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Source: https://www.legislation.gov.uk/eur/2012/965/annex/IV/division/subpart+d/division/section+2/division/catideh190/division/a (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-965/annex-IV/division-subpart+d/division-section+2/division-catideh190/division-a
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.