Paragraph 14
No person shall use a whistle within the harbour except—
(a)
as a signal of distress;
(b)
to prevent collision;
(c)
in the case of fog; or
(d)
with the prior permision of the harbour master, for the purpose of—
(i)
the management of a race or any similar event;
(ii)
the training of a person in the use of a small vessel; or
(iii)
testing the whistle.