When an accident occurs the following persons associated with the ship must notify the Chief Inspector of Marine Accidents (or any Deputy Chief Inspector) as soon as is practicable following the accident and by the quickest means available:
(a) the master or, if the master has not survived, the senior surviving officer; and (b) the ship’s owner unless they have ascertained to their satisfaction that the master or senior surviving officer has reported the accident in accordance with the Regulations.