(1) For the purpose of performing his or her principal functions a harbour master may direct the owner, master, or person in charge of a vessel to do any or all of the following ¾

(a) to ensure that the vessel does not enter the port;

(b) to navigate the vessel in a specified manner while it is in the port;

(c) to moor the vessel in the port at a specified place and in a specified manner;

(d) to move the vessel out of the port or to another place in it;

(e) to take any action specified by the harbour master in relation to the means by which the vessel is moored in the port.

(2) When the safety of people or valuable property is in danger from a vessel in a port and no other direction is reasonable in the circumstances, the harbour master may direct the owner, master, or person in charge of the vessel to scuttle it immediately.