Sea-time logger

Log every voyage — sign-on date, sign-off date, vessel, rank, flag — and the page tallies your accumulated sea time. Combined with the certificates from /my-certificates, the forecaster projects when each STCW refresher is due based on the standard 12-months-in-5-years rule.

Everything is stored only in this browser's local storage. There is no account, no server, no sync. Clearing browser data clears the log. Export to CSV (for offline backup) or to .ics (calendar reminders for upcoming refreshers).

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See also

• · My certificates — track expiry dates separately.
• · Help: STCW revalidation — the rules in plain English.
• · Career pathways — sea-time required per rank.
• · STCW overview — the convention itself.