Division (b) Helicopters operated under VMC over water and out of sight of the land, or under VMC at night, or when the visibility is less than 1 500 m, or in conditions where the helicopter cannot be maintained in a desired flight path without reference to one or more additional instruments, shall be equipped, in addition to (a), with:F1
United Kingdom
- (1)
a means of measuring and displaying the following:
- (i)
attitude;
- (ii)
vertical speed; and
- (iii)
stabilised heading;
- (i)
- (2)
a means of indicating when the supply of power to the gyroscopic instruments is not adequate; and
- (3)
a means of preventing malfunction of the airspeed indicating system required in (a)(4) due to condensation or icing.