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 | |
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Name | Container ship |
Subclasses |
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Built | 1956–present |
In service | 9,535 ships as of 2010 |
General characteristics | |
Propulsion | Typically diesel since 1990 |
Speed | Typically 16–25 knots (30–46 km/h) (19-29 mph) |
Capacity | Up to 24,000 TEU |
Notes | Reduced 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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