# The Dockyard Port of Plymouth Order 1999, Paragraph 4: Special navigation regulations


No merchant or other private vessel shall navigate—
(a) within 50 metres of the walls, slipways and boundaries of HM Naval Base and Crown Establishments;
(b) within 50 metres of any of Her Majesty’s vessels (save for submarines) or foreign warships or auxilliaries; or
(c) within 100 metres of submarines berthed alongside HM Naval Base.

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Source: https://www.legislation.gov.uk/uksi/1999/2029/schedule/1/paragraph/4 (the official version)
Page: https://openlegislation.uk/dockyard-port-of-plymouth-order-1999/schedule-1/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.