Conbulker. This is a type of vessel that can carry containers on one leg of a voyage and bulk cargo on the return leg. The structure of the vessel permits the cargoes to be changed easily.


Collision Liability. Around the middle of the 19th century, hull underwriters decided to extend the hull and machinery policy to embrace legal liabilities incurred by the assured in consequence of collision between the insured ship and any other ship or vessel. Liabilities resulting from contract with anything other than another ship or vessel were excluded from the cover, as were loss of life or personal injury.

Charterparty bills of lading. In "Charterers' bills of lading" (above)' emphasis was laid on the identity of the carrier and whether this person was the charterer. The charterparty and the bill of lading are also connected usually by incorporation of charterparty terms and conditions into the bill of lading.

Cleaning. When an oil tanker or chemical tanker carries one cargo, it must usually be cleaned before the next cargo and also to reduce the "clingage" and residues on the parts of the ship's structure inside the cargo spaces.

Consol. This expression is an abbreviation found in sailing schedules and advertisements of liner services.

Colliery. A "colliery" is a coal mine and in voyage charters for the carriage of coal the laytime agreed may depend on the working hours of the mine, if the coal cargo has to be delivered to the vessel. The word is connected to expressions that affect laytime.


Calendar month. A vessel may be fixed on a time charter basis, either for the period occupied by a certain voyage; e.g., "for one voyage from the UK and/or Continent to Australia via port or ports in charterers' option" or for the term of ". . . calendar months, commencing from time of delivery at . . ." the port agreed upon.

Charterparty. This is the document that contains the details of the charter or contract. While the shipowner and charterer are called the "parties to the charter", the word "party" in "charterparty" originates from the old Latin phrase for the contract to use a ship.

Container flow management (CFM). This expression is related to container logistics. This approach to logistics involved the management of the fleet of containers themselves, not the fleet of container vessels and the spaces (or “slots”) on board the vessels. The management also involves the movement of a container from one point to another without consideration of the actual mode of transport. The traditional carrier thus becomes a true “transport organiser”.


Centre of buoyancy (B). This is the geometric centre of the under water shape or volume of a floating object. The buoyancy force provided by the liquid in which the object floats acts vertically upwards through B.


Class surveyors’ assistance to vessel. If a vessel has sustained damage to such an extent that her seaworthiness may be affected, the master will contact the surveyor of the classification society, in order to ascertain what repairs have to be carried out for the maintenance of class.

Contamination. If a cargo which is sensitive for some reason is damaged by the nature of another cargo or substance, the former is “contaminated”. This would be the situation if one grade of oil, e.g., a clean oil product on board a tanker, was loaded into a tank that was insufficiently cleaned.

Paramount clause. (Also termed Clause Paramount.) This clause is generally found in a bill of lading but can also be found in a charterparty. The main purpose of such a clause is to incorporate the terms and conditions of the Hague or Hague-Visby Rules (or the Hamburg Rules) into the document which is (or which evidences) the contract of carriage of goods by sea. The Paramount clause can also incorporate particular legislation, such as the United States Carriage of Goods by Sea Act 1936.


Container leasing. Containers may be offered for carriage of goods by the carriers themselves or the carriers may not actually own the containers, rather leasing them from lessors. Other parties, such as shippers, may also wish to lease a container. Therefore the containers can be owned by the ocean carriers, the lessors and also other transport operators, such as railway companies, shippers C themselves and large freight forwarders.

Contractual liabilities. Liabilities incurred under contracts necessary for the normal operation of a ship, such as towage contracts, indemnities to port authorities, indemnities to stevedoring companies.