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.