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Track your sea service with ease using our downloadable Sea Time Calculator.
This Excel-based tool allows mariners to log vessel details, calculate total days onboard, and automatically convert time served into USCG-equivalent sea service days — even accounting for 12-hour workdays.
Perfect for license upgrades, application prep, or maintaining personal records.
Track your sea service with ease using our downloadable Sea Time Calculator.
This Excel-based tool allows mariners to log vessel details, calculate total days onboard, and automatically convert time served into USCG-equivalent sea service days — even accounting for 12-hour workdays.
Perfect for license upgrades, application prep, or maintaining personal records.