To ask the Secretary of State for Defence (1) what minimum separation distance was authorised for fixed wing aircraft participating in the fighter evasion exercise held in the vicinity of Llanwrtyd Wells, Powys, from 18 to 22 January;(2) what minimum separation distance was authorised for fixed wing aircraft participating in the fighter evasion exercise held in the vicinity of Llanwrtyd Wells, Powys, from 2 to 5 November 1987;
(3) what minimum separation distance was authorised for fixed wing aircraft participating in Exercise Border Baron and Regal Burst, held in Yorkshire in July 1986;
(4) what minimum separation distance was authorised for fixed wing aircraft participating in the fighter evasion exercise held in the vicinity of Holsworthy, Devon, on 14 October 1987.
[holding answer 22 February 1988]: The authorised minimum separation distance for fixed wing aircraft participating in all the exercises referred to was 250 ft.