Weight estimations are administered by an IMO Convention (International Convention on Tonnage Measurement of Ships, 1969 (London-Rules)), which applies to all boats that worked after July 1982.

We have house Surveyors who are able to lead Tonnage Measurements for the sake of the Administration to encourage the issuance of the accompanying authentications:

1. International tonnage certificate
2. International load line certificate
3. International load line exemption certificate
4. GMA(Grenada Maritime Authority) load line certificate
5. GMA(Grenada Maritime Authority) load line exemption certificate