If you have been recording outings — in Log, in Chart, or in a navigation app you exported years ago — you have most of the evidence for a captain's licence sitting in a file. Log turns it into a ledger you can read, correct and hand over. It is free, and it is not a service that files anything on your behalf.
Open my sea serviceOne entry per calendar day, per boat. Every completed track and every written-log day is projected into the ledger. A date counts once, however many outings it held.
A day is credited at four or more counted hours, under 46 CFR 10.232(h)(3), which lets vessels under 100 GRT use a four-hour day rather than eight.
Counted hours are time making way at half a knot or better. That is deliberately more conservative than the regulation's "underway" — a night on the hook is under way by the regulation and is not counted here. The page says so under the totals, so you always know which way the number errs.
Waters are read against the boundary lines in 46 CFR part 7, where they are encoded — which is what decides whether a day is inland or near-coastal. Worth knowing before you count by hand: under part 7 the whole of Long Island Sound, Block Island Sound, Rhode Island Sound, Buzzards Bay, Cape Cod Bay and Boston Harbor are inland. A lot of people's "offshore" seasons are not.
Every figure on the page is computed from the entries in front of you, with the same code the server used to build them. Correct a day and the totals move immediately, and they can never quietly disagree with what was filed.
| Credential | Routes |
|---|---|
| OUPV ("six-pack") | Inland · Near-coastal · Great Lakes |
| Master under 100 GRT | Inland · Great Lakes · Near-coastal |
Pick the one you are working toward and the page counts against that rule, citing the section it is applying. It shows what you have, not a promise about what the Coast Guard will accept.
Most people's sea time is older than their tracking habit. Three ways in, all of them the same ledger:
Download the CG-719S lines for the credential you selected, and the whole ledger as CSV — every day, counted hours, boat, waters and whether it was credited. It is your record; it leaves in a format a spreadsheet and a human can both read.
Run against 245 recorded trips: 261 ledger entries, 658.43 counted hours, 52 credited days — and 47 written-log days still waiting on their owner to say how long they were. That last number is the honest part. The ledger tells you what it does not know.