Paragraph 9 Swimming Underwater and Diving
Save with the permission of the Queen’s Harbour Master, no person who is wearing or equipped with clothing or apparatus designed or adapted for swimming underwater or diving shall swim underwater or dive or fish—
(a)
within the Harbour or in any of the creeks or lakes adjoining the Harbour; or
(b)
elsewhere in the Dockyard Port—
(i)
within 100 metres of the walls, slipways, or boundaries of a Crown Establishment;
(ii)
within 150 metres of any of Her Majesty’s vessels; or
(iii)
where anchorage is prohibited.