1. Crew members shall carry out the orders given to them by the boatmaster in the performance of his duties. They shall assist in complying with the requirements of these regulations and of any other provisions applicable.
2. All other persons on board are required to comply with the orders given to them by the boatmaster in the interest of safe navigation or of good order on board.
3. Members of the crew and other persons on board who temporarily determine the vessel’s course and speed themselves shall also be responsible in that respect for ensuring compliance with the requirements of these regulations.
4. The faculties of crew members on duty and other persons on board who participate temporarily in the navigation of the vessel shall not be impaired as a result of a state of fatigue or intoxication.