The Air Navigation (General) Regulations 1993
These Regulations consolidate the Air Navigation (General) Regulations 1981, as amended. In addition to some minor and drafting amendments, the only changes are to bring performance group B public transport aeroplanes within the weight and performance requirements for performance group A aeroplanes (regulation 7) to provide weight and performance requirements for performance group F aeroplane (regulation 11) and to exclude helicopters flying under and in accordance with a police air operator’s certificate from the application of the provisions in regulations 20 and 21 (regulations 20 and 21).