Container ship

A container ship (also called boxship or spelled containership) is a cargo ship that carries all of its load in truck-size intermodal containers, in a technique called containerization. Container ships are a common means of commercial intermodal freight transport and now carry most seagoing non-bulk cargo.

Two Maersk Line container ships
Class overview
NameContainer ship
Subclasses
  • (1) Geared or gearless (as per cargo-handling type)
  • (2) Freighter or pure container (as per passenger carrier-type)
  • (3) Feeder or world-wide foreign-going vessel (as per trade)
  • (4) Panamax or post-Panamax vessel (as per breadth of vessel < or > than 32.2m respectively)
Built1956–present
In service9,535 ships as of 2010
General characteristics
PropulsionTypically diesel since 1990
SpeedTypically 16–25 knots (30–46 km/h) (19-29 mph)
CapacityUp to 24,000 TEU
NotesReduced superstructure, containers stacked on deck, bulbous bow

Container ship capacity is measured in twenty-foot equivalent units (TEU). Typical loads are a mix of 20-foot (1-TEU) and 40-foot (2-TEU) ISO-standard containers, with the latter predominant.

Today, about 90% of non-bulk cargo worldwide is transported by container ships, and the largest modern container ships can carry up to 24,000 TEU (e.g., Ever Ace).

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