# 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 NCC.IDE.H.125: Operations under IFR — flight and navigational instruments and associated equipment

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

Helicopters operated under IFR shall be equipped with:
(a) a means of measuring and displaying the following:
(1) magnetic heading;
(2) time in hours, minutes and seconds;
(3)barometric altitude;
(4) indicated airspeed;
(5) vertical speed;
(6) slip;
(7) attitude;
(8) stabilised heading; and
(9) outside air temperature;
(b) a means of indicating when the supply of power to the gyroscopic instruments is not adequate;
(c) whenever two pilots are required for the operation, an additional separate means of displaying the following:
(1)barometric altitude;
(2) indicated airspeed;
(3) vertical speed;
(4) slip;
(5) attitude; and
(6) stabilised heading;
(d) a means of preventing malfunction of the airspeed indicating systems required in (a)(4) and (c)(2) due to condensation or icing;
(e) an alternate source of static pressure;
(f) a chart holder in an easily readable position that can be illuminated for night operations; and
(g) an additional means of measuring and displaying attitude as a standby instrument.

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Source: https://www.legislation.gov.uk/eur/2012/965/annex/VI/division/subpart+d/division/section+2/division/nccideh125 (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-965/annex-VI/division-subpart+d/division-section+2/division-nccideh125
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.