DOWNTIME Maintenance Notice: Saturday, May 3rd, between 8:00 AM and 6:00 PM UTC-5: Online Services will be unavailable during this time: Reserve Vessel Name, Pay an Invoice, Vessel Transcripts, and Crew Verification.
A certificate stating the size of a vessel expressed in tons; not necessarily based on weight. “National Tonnage Certificates” are issued to vessels under 24 metres and “International Tonnage Certificates” are issued to vessels 24 metres and over.
