Paragraph 4 Prohibited areas
A merchant vessel or other private vessel must not navigate within—
(a)
50 metres of the walls, slipways or boundaries of the Naval Base or any Crown Establishment;
(b)
50 metres of one of Her Majesty’s vessels or auxiliaries, or a foreign warship or auxiliary; or
(c)
100 metres of a submarine that is berthed alongside the Naval Base or secured to any buoy in the dockyard port.