SPO.IDE.H.125 Operations under IFR – flight
and navigational instruments and associated equipment
Regulation (EU) 2019/1384
Helicopters operated under IFR shall be equipped with:
(a) a means of measuring and displaying:
(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:
(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 system required by (a)(4) and (c)(2) due to condensation or icing;
(e) an additional means of measuring and displaying attitude as a standby instrument; and
(f) the following for complex motor-powered helicopters:
(1) an alternate source of static pressure; and
(2) a chart holder in an easily readable position that can be illuminated for night operations.
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