# 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): Helicopters operated under IFR or at night, or when required by the applicable airspace requirements, shall be equipped with radio communication equipment that, under normal radio propagating conditions, shall be capable of:

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

(1) conducting two-way communication for aerodrome control purposes;
(2) receiving meteorological information;
(3) conducting two-way communication at any time during flight with those aeronautical stations and on those frequencies prescribed by the appropriate authority; and
(4) providing for communication on the aeronautical emergency frequency 121,5 MHz.

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Source: https://www.legislation.gov.uk/eur/2012/965/annex/VI/division/subpart+d/division/section+2/division/nccideh245/division/a (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-965/annex-VI/division-subpart+d/division-section+2/division-nccideh245/division-a
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.