C-180 [Seafarers’ Hours of Work and the Manning of Ships]



1. The limits on hours of work or rest shall be as follows:

a. maximum hours of work shall not exceed:

i. 14 hours in any 24-hour period; and

ii. 72 hours in any seven-day period; or

b. minimum hours of rest shall not be less than:

i.  10 hours in any 24-hour period; and

ii. 77 hours in any seven-day period.

2. Hours of rest may be divided into no more than two periods, one of which shall be at least six hours in length, and the interval between consecutive periods of rest shall not exceed 14 hours.

3. Musters, fire-fighting and lifeboat drills, and drills prescribed by national laws and regulations and by international instruments shall be conducted in a manner that minimizes the disturbance of rest periods and does not induce fatigue.

4. In respect of situations when a seafarer is on call, such as when a machinery space is unattended, the seafarer shall have an adequate compensatory rest period if the normal period of rest is disturbed by call-outs to work.

5. If no collective agreement or arbitration award exists or if the competent authority determines that the provisions in the agreement or award in respect of paragraph 3 or 4 are inadequate, the competent authority shall determine such provisions to ensure the seafarers concerned have sufficient rest.

6. Nothing in paragraphs 1 and 2 shall prevent the Member from having national laws or regulations or a procedure for the competent authority to authorize or register collective agreements permitting exceptions to the limits set out. Such exceptions shall, as far as possible, follow the standards set out but may take account of more frequent or longer leave periods or the granting of compensatory leave for watch keeping seafarers or seafarers working on board ships on short voyages.

7. The Member shall require the posting, in an easily accessible place, of a table with the shipboard working arrangements, which shall contain for every position at least:

a. the schedule of service at sea and service in port; and

b. the maximum hours of work or the minimum hours of rest required by the laws, regulations or collective agreements in force in the flag State.

8. The table referred to in paragraph 7 shall be established in a standardized format in the working language or languages of the ship and in English.

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