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A rutter is a mariner's handbook of written sailing directions. Before the advent of nautical charts , rutters were the primary store of geographic information for maritime navigation . It was known as a periplus ("sailing-around" book) in classical antiquity and a portolano ("port book") to medieval Italian sailors in the Mediterranean Sea .
binnacle list A ship's sick list. The list of men unable to report for duty was given to the officer or mate of the watch by the ship's surgeon. The list was kept at the binnacle. bird farm United States Navy slang for an aircraft carrier. bite Verb used in reference to a rudder, as in "the rudder begins to bite". When a vessel has steerageway ...
A 1976 United States NOAA chart of part of Puerto Rico A nautical chart of the Warnemünde harbor shown on OpenSeaMap. A nautical chart or hydrographic chart is a graphic representation of a sea region or water body and adjacent coasts or banks.
Running rigging is the rigging of a sailing vessel that is used for raising, lowering, shaping and controlling the sails on a sailing vessel—as opposed to the standing rigging, which supports the mast and bowsprit. Running rigging varies between vessels that are rigged fore and aft and those that are square-rigged.
For many sailing craft, the arc spanning 45° on either side of the wind is a "no-go" zone, [44] where a sail is unable to mobilize power from the wind. [45] Sailing on a course as close to the wind as possible—approximately 45°—is termed "close-hauled". At 90° off the wind, a craft is on a "beam reach".
Generally, a rudder is "part of the steering apparatus of a boat or ship that is fastened outside the hull, " denoting all types of oars, paddles, and rudders. [1] More specifically, the steering gear of ancient vessels can be classified into side-rudders and stern-mounted rudders, depending on their location on the ship.
A monohull's keel is made effective by a combination of weight, depth, and length. Sailing yacht with a fin keel. Most modern monohull boats have fin keels, which are heavy and deep, but short in relation to the hull length. More traditional yachts carried a full keel which is generally half or more of the length of the boat.
Catamaran with full-length battens on the mainsail. On sailboats, a sail batten is a flexible insert in a sail, parallel to the direction of wind flow, that helps shape its qualities as an airfoil. [1] Battens are long, thin strips of material, historically wooden but today usually fiberglass, vinyl, or carbon fiber, used to support the roach ...