Progress
Your sea days against each credential
See your counted days by waters against the published numbers for the OUPV and the Master 25, 50 or 100 GRT credentials, with recent service and the tonnage your days point to.
Each line cites its section. Log trips on your sea time log. For which credential fits your boating, read OUPV vs Master sea time.
Reading your log from this browser.
The six credentials and their published numbers
Read from the regulations and the published guidance on 27 September 2026. Sea Time Ledger does not determine eligibility; the credentialing authority decides. The credentialing authority's current rules and its own evaluation of your records govern.
| Credential | Published number | Section |
|---|---|---|
| OUPV (six pack), near coastal | 360 days, at least 90 of them near coastal or ocean | 46 CFR 11.467(c) |
| OUPV (six pack), Great Lakes and inland | 360 days, at least 90 of them Great Lakes, on Great Lakes or inland waters | 46 CFR 11.467(d) |
| OUPV (six pack), inland | 360 days | 46 CFR 11.467(e) |
| Master 25, 50 or 100 GRT, near coastal | 720 days, at least 360 of them near coastal or ocean, Great Lakes or inland days count for at most 360 | 46 CFR 11.428(a) |
| Master 25, 50 or 100 GRT, Great Lakes and inland | 360 days, at least 90 of them Great Lakes | 46 CFR 11.455(a) |
| Master 25, 50 or 100 GRT, inland | 360 days | 46 CFR 11.455(a) |