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The after part of a vessel’s starboard side, or the relative direction abaft the starboard beam. As a structural location it lies towards the stern on the right when facing forward. As a lookout report, an object on the starboard quarter lies in the sector between approximately abeam and astern to starboard. The directional reference…
A tensioned part of the standing rigging that supports a mast, normally in a fore-and-aft direction. Forestays lead forward and backstays lead aft, while additional inner or intermediate stays can support particular sections of the mast or carry sails. Stays may be wire, rod, fibre or another engineered component appropriate to the rig. They work…
The compass positioned so that the person steering can maintain and alter the vessel’s heading. It is normally mounted where its heading can be read readily from the helm and where vibration, movement and magnetic interference can be controlled. The compass may be magnetic or form part of an electronic heading system, depending on the…
The principal structural member or formed edge at the foremost part of a hull where its sides meet. In traditional construction the stem is a timber or metal member joining the keel and forward planking or plating. In moulded or welded hulls it may be an integrated shape rather than a separate piece, and it…
The rear or aft-most part of a vessel. The stern is opposite the bow and includes the after end of the hull and associated structure. Its form may be transom, counter, canoe, cruiser or another design and influences resistance, buoyancy, handling, wake and usable deck or accommodation space. Steering gear, propulsion, boarding arrangements, navigation lights…
A white navigation light showing over an unbroken 135-degree arc centred directly astern. Under the collision regulations it is arranged to show from dead astern to 67.5 degrees on each side of the vessel. Its required visibility range, height and relationship to other lights depend on vessel type, length and status. A sternlight identifies an…
A knot formed in a line to prevent its end or another part from passing through a fitting or opening. Common examples include the figure-of-eight, double overhand and Ashley stopper, chosen according to rope construction, required bulk and ease of untying. A stopper knot may also provide a temporary handhold or mark, but those are…
A small strongly constructed headsail intended to help a sailing vessel retain controlled drive in severe weather. A storm jib uses heavy cloth, strong reinforcement and secure attachment and is normally set with a high clew to reduce wave impact. Its area and construction may be governed by a class rule, safety standard or vessel…
To place and secure an item in its assigned location for the vessel’s expected motion and operations. Proper stowage considers weight, access, ventilation, drainage, fire and flooding hazards, compatibility with neighbouring materials and the loads created by roll, pitch and impact. Some items require racks, chocks, lashings, latches or dedicated lockers rather than merely being…
To lower, furl or otherwise remove a sail from use. The instruction may mean lowering a sail onto the deck or boom, rolling it on a furler or bringing it aboard, according to the sail and rig. It differs from reefing, which reduces the working area while leaving the sail set. Crew should prepare halyards,…
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