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Compagnie Générale Transatlantique
Compagnie Générale Transatlantique (CGT), known to travelers as the French Line, was a French shipping company founded in 1855, famous for liners like the Normandie on the Le Havre–New York route.
Concrete ship
A concrete ship is a vessel whose hull is built of concrete, usually steel-reinforced, built in large numbers during both World Wars amid steel shortages.
Consignee
A consignee is the party named in a contract of carriage or transport document as entitled to take delivery of the goods at destination, under the Hamburg and Rotterdam Rules.
Constellation-class frigate
The Constellation-class frigate (FFG 62) was a planned class of guided-missile frigates for the United States Navy based on the French and Italian FREMM design, canceled in November 2025.
Container ship
A container ship, also called a container vessel or boxship, is a cargo ship carrying standardized intermodal containers, pioneered by the Ideal X voyage in 1956.
Containerization
Containerization is a freight transport system that loads goods into standard steel containers moved between ships, trucks, and trains, beginning with Malcolm McLean's 1956 voyage.
Controllable-pitch propeller
A controllable-pitch propeller (CPP) is a marine or aircraft propeller whose blades rotate about their own axis, changing thrust without stopping or reversing the shaft.
Convention on Facilitation of International Maritime Traffic
The Convention on Facilitation of International Maritime Traffic, or FAL Convention, is a 1965 IMO treaty standardizing port formalities for ships; electronic exchange has been mandatory since 2019.
Convention on Limitation of Liability for Maritime Claims
The Convention on Limitation of Liability for Maritime Claims (LLMC) is a 1976 treaty, adopted in London, that caps shipowners' and salvors' liability for maritime incidents by ship tonnage.
Convention on the International Regulations for Preventing Collisions at Sea
The Convention on the International Regulations for Preventing Collisions at Sea, known as COLREG 1972, is an IMO treaty setting the rules of the road at sea.
Coracle
The coracle (Welsh cwrwgl) is a small, bowl-shaped boat with a basketwork frame and hide covering, used for fishing on Welsh rivers since the seventh century.
Corvette
A corvette is a small, heavily armed surface warship smaller than a frigate, typically displacing 500 to 3,000 tons and used for patrol, escort, and anti-submarine missions.
COSCO
COSCO, also known as China Ocean Shipping Company, is a Chinese state-owned shipping conglomerate formed in Shanghai in 2016, among the largest shipping enterprises in the world.
COSCO Shipping Energy
COSCO Shipping Energy (中远海运能源) is a Shanghai-based state-owned Chinese shipping company that transports crude oil, product oil, LNG, LPG, and chemicals, and operates the world's largest oil tanker fleet by capacity.
COSCO Shipping Lines
COSCO Shipping Lines is a Chinese container shipping company headquartered in Shanghai, formed in 2016 from COSCO and China Shipping's container businesses and ranked fourth worldwide in container fleet capacity.
COSCO Shipping Ports
COSCO Shipping Ports is a Hong Kong-listed port logistics company, part of China COSCO Shipping, operating 387 berths at 40 ports, including Piraeus and Chancay.
COSPAS-SARSAT
COSPAS-SARSAT is an international satellite search and rescue system founded in 1979 by the United States, Canada, France, and the Soviet Union, credited with rescuing tens of thousands.
Cost, insurance and freight
Cost, insurance and freight (CIF) is an Incoterms rule under which the seller pays cost, insurance, and freight to the destination port, though risk passes at shipment.
Costa Concordia
The Costa Concordia was an Italian cruise ship built in Genoa in 2006 that struck rocks off Giglio in 2012, killing 32 people; its wreck was later salvaged.
Costa Concordia disaster
The Costa Concordia disaster, also called the sinking of the Costa Concordia, occurred off Isola del Giglio, Italy, on 13 January 2012, killing 32 passengers and crew.
Costa Cruises
Costa Cruises, also known as Costa Crociere S.p.A., is an Italian cruise line founded in Genoa in 1854 and wholly owned by Carnival Corporation since 2000.
Costa Smeralda
Costa Smeralda is a 337-meter LNG-powered cruise ship operated by Italy's Costa Cruises, delivered in December 2019, carrying about 6,500 passengers and based in Savona.
Costamare
Costamare is a Monaco-headquartered international owner and operator of containerships, founded in 1975, whose fleet of 79 vessels is time chartered to major liner companies.
Countershading
Countershading is a common animal color pattern in which the back is darker than the belly, proposed by Abbott Thayer in 1896 as camouflage that conceals the body's shadow.
Crowley Maritime
Crowley Maritime is a privately held American maritime and logistics company founded by Thomas Crowley in San Francisco Bay in 1892, now based in Jacksonville, Florida.
Cruise ship
A cruise ship, also called a cruise liner, is a passenger ship built for pleasure voyages where the voyage itself, not transportation, is the purpose.
Cruiser
A cruiser is a fast, long-range surface warship operating independently or as a fleet escort, historically for scouting and commerce raiding, now a multi-mission escort for carrier strike groups like the retiring Ticonderoga class.
Cruising (maritime)
Cruising (maritime): leisure travel by boat, from private sailing-yacht cruising pioneered by MacGregor, McMullen, and Middleton to the commercial cruise industry begun with Prinzessin Victoria Luise in 1900; covers passage planning, SOLAS V/34, and boat selection.
CSS Virginia
CSS Virginia was a Confederate ironclad ram, rebuilt from the frigate USS Merrimack in 1862, that sank two Union ships before dueling USS Monitor to a draw.
Cunard Line
Cunard Line is a British cruise line founded in 1840 by Samuel Cunard of Halifax, Nova Scotia, and now owned by Carnival Corporation, with Queen Mary 2 as its flagship.