SPO.IDE.H.125 Operations under IFR – flight and navigational instruments and associated equipment

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.