A powerful, compact vessel designed to assist larger ships by towing or pushing them during berthing, unberthing, and manoeuvring in ports and confined waterways. Tugs also provide escort services, salvage operations, and offshore towing for barges and platforms.
Category: Ship Types & Classification
On The Maritime
The desks where this concept is measured.
Related terms
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Ro-RoRoll-on/Roll-off vessel designed for cargo that is driven on and off the ship on wheels, such as cars, trucks, trailers, and heavy machinery.SuezmaxThe largest vessel size capable of transiting the Suez Canal in a laden condition, typically between 120,000 and 200,000 DWT with a maximum beam of about 50 metres and a draft limit of approximately 20.1 metres.SupramaxA dry bulk carrier with a deadweight tonnage between 50,000 and 65,000 DWT, usually fitted with cranes capable of handling 30 tonnes or more.TankerA vessel designed to transport liquid cargo in bulk, including crude oil, refined petroleum products, chemicals, and vegetable oils.ULCCUltra Large Crude Carrier, the largest class of tanker with a deadweight tonnage exceeding 320,000 DWT.VLCCVery Large Crude Carrier, a tanker with a deadweight tonnage typically between 200,000 and 320,000 DWT, primarily used for transporting crude oil on long-haul routes.
Back to DictionaryEntry updated May 2026