Division NCO.IDE.H.105 Minimum equipment for flightF1
United Kingdom
A flight shall not be commenced when any of the helicopter’s instruments, items of equipment or functions required for the intended flight are inoperative or missing, unless:
- (a)
the helicopter is operated in accordance with the MEL, if established; or
- (b)
the helicopter is subject to a permit to fly issued in accordance with the applicable airworthiness requirements.