A cabin or berthing is an enclosed space generally on a

ship A ship is a large watercraft, vessel that travels the world's oceans and other Waterway, navigable waterways, carrying cargo or passengers, or in support of specialized missions, such as defense, research and fishing. Ships are generally disti ...

or an

aircraft An aircraft ( aircraft) is a vehicle that is able to flight, fly by gaining support from the Atmosphere of Earth, air. It counters the force of gravity by using either Buoyancy, static lift or the Lift (force), dynamic lift of an airfoil, or, i ...

. A cabin which protrudes above the level of a ship's deck may be referred to as a deckhouse.

Sailing ships

In sailing ships, the officers and paying passengers would have an individual or shared cabin. The captain or commanding officer would occupy the "great cabin" that normally spanned the width of the stern and had large windows. On a warship, it was a privileged area, separate from the rest of the ship, for the exclusive use of the captain. In large warships, the cabin was subdivided into day and night cabins (bedrooms) by movable panels, called '' bulk-heads'', that could be removed in time of battle to leave the cabin clear for the gunners to use the stern chasers several of which were usually stationed in the cabin. On large three decker warships in the

age of sail The Age of Sail is a period in European history that lasted at the latest from the mid-16th (or mid-15th) to the mid-19th centuries, in which the dominance of sailing ships in global trade and warfare culminated, particularly marked by the int ...

the captain's cabin was sometimes appropriated by the

Admiral Admiral is one of the highest ranks in many navies. In the Commonwealth nations and the United States, a "full" admiral is equivalent to a "full" general in the army or the air force. Admiral is ranked above vice admiral and below admiral of ...

. The captain would be consigned to the cabin below on the middle gun-deck.

Modern warships

In most modern

warship A warship or combatant ship is a naval ship that is used for naval warfare. Usually they belong to the navy branch of the armed forces of a nation, though they have also been operated by individuals, cooperatives and corporations. As well as b ...

s, the commanding officer has a main cabin—the in-port cabin, often adjacent to the ship's central control room ( operations room)—and a sea cabin adjacent to the

bridge A bridge is a structure built to Span (engineering), span a physical obstacle (such as a body of water, valley, road, or railway) without blocking the path underneath. It is constructed for the purpose of providing passage over the obstacle, whi ...

. Thus, when likely to be called from sleep or attending to administration, the commanding officer can go to the sea cabin and thereby be able to appear at the bridge or operations room immediately. The sea cabin is sparsely equipped, containing just a bunk, a desk, and basic toilet facilities. The in-port cabin is more lavishly furnished, with separate bedroom and combination sitting room/office, and more elaborate toiletry facilities. For ships intended to act as

flagship A flagship is a vessel used by the commanding officer of a group of navy, naval ships, characteristically a flag officer entitled by custom to fly a distinguishing flag. Used more loosely, it is the lead ship in a fleet of vessels, typically ...

s, like the former

United States Navy The United States Navy (USN) is the naval warfare, maritime military branch, service branch of the United States Department of Defense. It is the world's most powerful navy with the largest Displacement (ship), displacement, at 4.5 millio ...

aircraft carrier An aircraft carrier is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and hangar facilities for supporting, arming, deploying and recovering carrier-based aircraft, shipborne aircraft. Typically it is the ...

—now a

museum ship A museum ship, also called a memorial ship, is a ship that has been preserved and converted into a museum open to the public for educational or memorial purposes. Some are also used for training and recruitment purposes, mostly for the small numb ...

—the admiral also has a sea cabin (adjacent to the captain's sea cabin) and an in-port cabin, in addition to the captain's cabins. Officers normally have their own cabins—sometimes referred to as staterooms—which double as their offices. Some senior petty officers may have cabins for similar reasons. Sailors sleep in berthing spaces.

Passenger ships

In ships carrying passengers, they are normally accommodated in cabins, taking the terminology familiar to seafarers. First-class cabins were traditionally referred to as staterooms, and today many cruise lines now prefer to refer to passenger cabins as staterooms or suites.

Cabin crawl

cruise ship Cruise ships are large passenger ships used mainly for vacationing. Unlike ocean liners, which are used for transport, cruise ships typically embark on round-trip voyages to various ports of call, where passengers may go on Tourism, tours k ...

terms, a cabin crawl is an event where passengers tour the cabins of fellow passengers. A cruise ship may also offer a cabin crawl of cabins or suites which did not sell for a particular sailing. The purpose of a cabin crawl is to give passengers an idea of the space and layout of various cabin options for their next cruise. Cabin crawls are normally organized prior to a cruise, through cruise-fan websites.

Spacecraft

spacecraft A spacecraft is a vehicle that is designed spaceflight, to fly and operate in outer space. Spacecraft are used for a variety of purposes, including Telecommunications, communications, Earth observation satellite, Earth observation, Weather s ...

, cabins are required to fully supply food and

oxygen Oxygen is a chemical element; it has chemical symbol, symbol O and atomic number 8. It is a member of the chalcogen group (periodic table), group in the periodic table, a highly reactivity (chemistry), reactive nonmetal (chemistry), non ...

for their crew. On missions lasting a year or longer, the cabins have to be self-sustaining, i.e. replenish their own water and oxygen. The space cabin for any long-range crewed mission is expected to be reasonably spacious, with approximately 28 cubic metres allotted to each occupant. In addition, cabins have life support systems that should have the capability to meet a variety of off-nominal conditions, including cabin fires, depressurization, and component shutdown or failure. Frequently, these conditions occur so quickly that recovery can be provided only by automatic control systems. In the late 1960s, several experimental ground facilities were developed to evaluate regenerative life support systems for crewed space flight.

References