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Maritime Glossary

Source-cited definitions for shipping, engineering, navigation, and regulatory terminology. Confidence-scored and verified against primary IMO, IHO, and industry sources.

UN/LOCODELOCODE · UN Location Code
A UN/LOCODE is a code from the United Nations Code for Trade and Transport Locations, a five-character reference that uniquely identifies ports and other transport locations worldwide. It provides a standard shorthand for places in shipping and logistics documents and systems.
portsgeographystandardshigh confidence
UNCLOSUnited Nations Convention on the Law of the Sea · Law of the Sea Convention
UNCLOS is the United Nations Convention on the Law of the Sea, the international treaty that defines the rights and responsibilities of states in their use of the world's oceans. Often called the constitution for the oceans, it sets out maritime zones and freedoms of navigation.
regulationlegalinternational-lawhigh confidence