Maritime glossary

An A–Z index of the AIS, vessel and voyage terms used across ShipFinder. Select any term for a full explanation.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

Air Draft AIS (Automatic Identification System)

B

C

Course Over Ground(COG)

D

Deadweight Tonnage (DWT) Displacement Draught (Draft)

E

Economical Speed ETA (Estimated Time of Arrival)

G

Gross Tonnage (GT)

I

IMO (International Maritime Organization) IMO Number (International Maritime Organization Ship Identification Number)

L

Length Overall (LOA)

M

MMSI (Maritime Mobile Service Identity) Moulded Depth

N

Net Tonnage (NT)

S

Satellite AIS Speed Over Ground(SOG)

T

Terrestrial AIS

V