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Port and starboard are nautical terms for watercraft and spacecraft, referring respectively to the left and right sides of the vessel, when aboard and facing the bow (front). Vessels with bilateral symmetry have left and right halves which are mirror images of each other.
Port: the left side of the ship, when facing forward (opposite of "starboard"). [1] Starboard: the right side of the ship, when facing forward (opposite of "port"). [1] Stern: the rear of a ship (opposite of "bow"). [1] Topside: the top portion of the outer surface of a ship on each side above the waterline. [1] Underdeck: a lower deck of a ...
2. A position half way between the port and starboard sides of a ship or boat, as in "helm amidships", when the rudder is in line with the keel. [13] ammunition ship A naval auxiliary ship specifically configured to carry ammunition, usually for combatant ships and aircraft. amphibious warfare ship
The port listed in a vessel's registration documents and lettered on her stern. Often used incorrectly as a synonym for home port, meaning the port at which the vessel is based, but it may differ from the port of registry. port tack When sailing with the wind coming from the port side of the vessel. Vessels on port tack must give way to those ...
The linear transverse (side-to-side or port-starboard) motion. This motion is generated directly either by the water and wind motion, particularly lateral wave motion, exerting forces against the hull or by the ship's own propulsion; or indirectly by the inertia of the ship while turning.
That is, the port side of the vessel always refers to the same portion of the vessel's structure, and does not depend on which way the observer is facing. The port side is the side to the left of an observer aboard the vessel and facing the bow, towards the direction the vehicle is heading when underway. The starboard side is thus to the right ...
Traditionally a boat is organized so that alternate rowers row on port and starboard (or strokeside and bowside), with stroke on port side (having their blade to their own right) (strokeside). This is sometimes reversed, so that stroke is on the other side (having their blade to their own left); such a boat is usually described as 'bow rigged'.
The angle of list is the degree to which a vessel heels (leans or tilts) to either port or starboard at equilibrium—with no external forces acting upon it. [1] If a listing ship goes beyond the point where a righting moment will keep it afloat, it will capsize and potentially sink.