SIGNALS LIGHTS SHAPES
KNOTS & SEAMANSHIP
VESSEL TONNAGE TYPES
Bulk Carrier – Handysize About 20/35,000 dwt
Handymax About 35/50,000 dwt
Panamax About 50/78,000 dwt
(Capable of transiting the Panama Canal)
Capesize About 79,000 dwt plus
All these vessels are single deckers with a varying number of holds for the carriage of bulk cargoes such as grain, iron ore, coal, steel etc.
Tanker – VLCC/ULCC About 200/500,000 dwt
Suezmax About 120/200,000 dwt
Aframax About 80/120,000 dwt
Panamax About 60/80,000 dwt
Handysize About 10/60,000 dwt
Cargoes include crude oil and refined dirty products, refined clean products, chemicals and gas.
OO- Ore/Oil carrier: capable of taking either ore or oil on a specific voyage.
OBO- Ore/Bulk/Oil carrier: capable of taking one of the three types of cargo on a specific voyage.
Tweendecker/MPP: A vessel of two or more decks for the carriage of general cargo including bagged and/or mixed general cargoes and containers. Most tweendeckers are also suitable for bulk cargoes.
Reefer: Specialist refrigerated ship, for fruit, vegetables, fish, meat, etc.
Ro-Ro-Roll on-Roll off vessel: with ramps for wheeled/tracked cargo. Also for the carriage of unitised/palletised cargo, and forest products.
PCC/PCTC – Pure car and pure car/truck carrier: multi-deck drive on/drive-off vessels used specifically for carrying passenger cars, light commercial vehicles and trucks.
Containership: Carrying general cargo including high-value cargo in containers (boxes), some of which may be refrigerated. Capacity is expressed as the equivalent number of TEUs (twenty foot equivalent units) or FEUs (forty foot equivalent units). Some container ships are fitted with cells.
LNG: Liquified Natural Gas Carriers
LPG: Liquified Petroleum Gas Carriers
Source: Baltic Exchange