# 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 VFR by day shall be equipped with a means of measuring and displaying the following:

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

(1) magnetic heading;
(2) time in hours, minutes and seconds;
(3)barometric altitude;
(4) indicated airspeed; and
(5) slip.

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Source: https://www.legislation.gov.uk/eur/2012/965/annex/VI/division/subpart+d/division/section+2/division/nccideh120/division/a (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-965/annex-VI/division-subpart+d/division-section+2/division-nccideh120/division-a
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.