IRImplementing rule
NCC.IDE.H.125Operations under IFR – flight and navigational instruments and associated equipment
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.
IR · NCC.IDE.H.125 — Regulation (EU) No 965/2012 · Regulation (EU) 2019/1384 · Air OPS Easy Access Rules · EAR revision 27 Mar 2026