Deck General · Watchkeeping — Hours of Rest
Under STCW/MLC, the minimum hours of rest for a watchkeeper is generally:
- A6 hours in any 24-hour period
- BNo minimum applies
- C4 hours in any 24-hour period
- D10 hours in any 24-hour period (and 77 hours in any 7-day period)✓ Correct
Explanation
Watchkeepers must receive at least 10 hours of rest in any 24-hour period and 77 hours in any 7-day period. The 10 hours may be split into no more than two periods, one of at least 6 hours, with no gap over 14 hours—to combat fatigue.
Authority: STCW; MLC 2006
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