89. Aircraft operating under VFR

An AOC holder must ensure that a relevant aircraft that is to be flown in accordance with the Visual Flight Rules is equipped with a means of measuring and displaying —

magnetic heading;

the time in hours, minutes and seconds;

barometric altitude;

indicated airspeed;

mach number, if the speed limitation prescribed by the aircraft flight manual is expressed in terms of mach number; and

turn direction and rate of turn, if the aircraft is a helicopter.