The eWRH software enables you to keep track of the work and rest hours on board. Proper use of the functionality of the work and rest hour system avoids port state control problems. Reduce non conformities while checking compliance with STCW 2010, the ILO MLC, US OPA 90 requirements. eWRH Calculates rest hours and automatically checks compliance with work and rest hours legislation - used by onboard crew and vessel watch keepers. Daily/monthly summary reports of complete crew hours and flagging of violations of rules available to vessel and fleet.