S.L. 499.1 · sl/499.1 (S.L. 499.1)
S.L. 499.1 Art. 25Use of ship’s whistle or siren.
PART III
No person may sound any whistle, siren or foghorn within a port save with the permission of the Authority except for the purposes of navigation, or to give a fire alarm, or in accordance with the provisions of these regulations.