Regulation 5
Regulation 3 does not prohibit at the nuclear installation at Devonport—
(a)
flight by a helicopter for the purpose of landing at or taking off from HM Naval Base Plymouth Weston Mill Lake Helicopter Landing Site with the permission of Flag Officer Sea Training and in accordance with any conditions to which that permission is made subject; or
(b)
flight by a helicopter for the purpose of landing at or taking off from any ship within the Devonport Dockyard with the permission of Flag Officer Sea Training and in accordance with any conditions to which that permission is made subject.