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A single-deck ship having two longitudinal bulkheads and a double bottom throughout the cargo region and intended for carriage of ore cargoes in the centre holds or oil cargoes in the centre holds and wing tanks.
ORE/OIL CARRIER
A ferry with cabin space for all passengers and large public spaces with restaurants, lounges, bars, etc.
CRUISE FERRY
A shuttle ferry with propellers at both ends, featuring an identical fore and aft body.
DOUBLE-ENDED FERRY
Various vessels in the 600 – 1000 dwt capacity range, with a service speed well above 30 knots.
FAST FERRIES
Ferries with passenger facilities suitable for longer routes. They have a full length superstructure to accommodate the passenger cabins and public spaces.
PaxCar ferries
Described a vessel carrying passengers or cargo on short trips across rivers or harbours or coastwise to inland.
FERRIES
Ferries with large ro-ro decks and limited passenger facilities. This type often has a lower hold, the main deck and upper deck for ro-ro cargo.
RoPax ferries
Are tankers intended to carry different liquefied gases used for energy purposes (petroleum gases, natural gases), in the chemical industry
GAS CARRIERS
Very large longhaul vessels have created a parallel need for fast, cost effective vessels as feeders and for regional distribution. Feeder containerships are often geared, their deck cranes facilitate cargo handling in ports with limited infrastructure.
FEEDERS
A most notable characteristic of liquefied gas carriers is:
Being equipped with special cargo handling installations designed to keep gas products in
a liquefied state.
Specialized ships capable of transporting non-standardized heavy cargoes.
Heavy lift ships
Created by reduce turnaround time in port and cargo handling costs by eliminating the need to remove and replace covers, and to fit and remove twistlocks and lashing the deck containers.
Hatchcoverless container ship
Ships intended exclusively for the carriage of containers and equipped with the appropriate facilities.
CONTAINER SHIPS
Gases can be liquefied by using one of the following methods:
Pressurization under normal temperature.
Refrigeration and pressurization.
Refrigeration under atmospheric temperature.
The design and operation of liquefied gas carriers is principally governed by
International Gas Carrier Code (IGC Code).
Are characterized by the full-length sidewalls protecting the cargo area. The cargo can be loaded by float-in/float-out by submersing the ship until the dock deck is under water, lift-on/lift-off, using cranes, roll-on/roll-off over the ship stern ramp.
DOCK SHIPS
Vessels that are horizontally submersible until their main deck is under water to a depth of 6 to 14m and large cargoes can be loaded using the float-on/float-off method. In this case, the load must be barge-mounted or able to float itself.
Semi-submersible ships
A vessel used for keeping a navigable passage open through ice. Icebreakers are grouped in ice classes according to the thickness of the ice to be broken.
ICEBREAKER
A gas carrier built for the transportation of petroleum gases in bulk.
LPG TANKER
A vessel mapping out geological structures in the seabed by firing air guns transmitting sound waves into the bottom of the sea.
Seismic Survey Ship
Are multi-purpose offshore vessels able to support the construction and maintenance of offshore structures such as Oil & Gas offshore platforms or Marine Renewable Energy sub-stations.
Construction Support Vessels
Ro-ro type vessels with the superstructure positioned fore.They are designed for transport of large modules, fully-erected container cranes, etc, on a large open cargo deck, accessible with a full width stern ramp.
Open deck cargo ships
Combines a number of functions in a single hull. These include handling the anchors and mooring chains for drilling rigs, towing of rigs and platforms together with subsequent positioning on site, and platform supply duties.
Anchor Handling Tug Supply Vessel (AHTS)
Is designed for supplying offshore drilling rigs and production platforms with necessary equipment, stores and drilling consumables. These are typically cement, baryte and bentonite transported as dry powders; drill water; oil or water based liquid mud, methanol and chemicals for specialized operations.
Platform Supply Vessel (PSV)
Relatively small ships, often with a large box- shaped hold, used for carrying small machinery, port equipment, locomotives, knocked down cranes, small boats and yachts.
Project cargo ships