What Are Work and Rest Hours Regulations?
Work and rest hours regulations are mandatory requirements established under both the Maritime Labour Convention (MLC 2006) and the STCW Convention that govern how long seafarers can work and how much rest they must receive. Under the standard MLC limits, seafarers must not work more than 14 hours in any 24-hour period or more than 72 hours in any 7-day period. Alternatively, the regulations require a minimum of 10 hours of rest in any 24-hour period, which may be divided into no more than two periods — one of which must be at least 6 hours long — and a minimum of 77 hours of rest in any 7-day period. Flag states choose which standard to apply, but the effect is to ensure seafarers receive adequate rest to perform their duties safely.
Enforcement and Port State Inspection
Work and rest hours compliance is a major focus area for port state control inspections worldwide. Inspectors review work/rest hour records for the previous 30 days and can issue deficiencies or even detain vessels when systematic non-conformities are found. The consequences of violations extend beyond regulatory penalties — fatigue is a leading contributing factor in maritime accidents, and companies with poor work/rest hour records face increased scrutiny, higher insurance premiums, and reputational damage. Watchkeeping schedules must be posted in an accessible location onboard and maintained in a standardized format that allows inspectors to verify compliance efficiently.
Software-Driven Compliance
Manual recording of work and rest hours using paper forms or spreadsheets is error-prone and makes it difficult to detect violations before they occur. Crew management software automates the process by allowing seafarers to log their hours digitally, automatically calculating compliance against both MLC and STCW limits, and flagging potential violations in real time so that watch schedules can be adjusted before rest period limits are breached. The software generates the standardized records required for port state inspections and provides fleet-wide dashboards that give shore-based managers visibility into work/rest hour compliance across all vessels.
Effective work and rest hour management is particularly challenging during port calls, cargo operations, and emergency situations when operational demands can conflict with rest requirements. Advanced crew management platforms model these scenarios, support exception logging for force majeure situations as permitted under the regulations, and ensure that compensatory rest is properly scheduled and tracked following any permitted deviations from standard limits.