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Careening (also known as "heaving down") is a method of gaining access to the hull of a sailing vessel without the use of a dry dock. It is used for cleaning or repairing the hull. It is used for cleaning or repairing the hull.
To careen a ship, it was grounded on a steep beach at high tide. As the tide ebbed, the hull would be exposed so that work could be done. Careening has numerous disadvantages not the least of which is that work is interrupted after only a few hours by the return of the tide. Graving docks are an ancient alternative to careening. A basin was dug ...
Copper sheathing is a method for protecting the hull of a wooden vessel from attack by shipworm, barnacles and other marine growth through the use of copper plates affixed to the surface of the hull, below the waterline. It was pioneered and developed by the Royal Navy during the 18th century. In antiquity, ancient Chinese used copper plates ...
It may be intentional, as in beaching to land crew or cargo, and careening, for maintenance or repair, or unintentional, as in a marine accident. In accidental cases, it is commonly referred to as "running aground". When unintentional, grounding may result simply in stranding, with or without damage to the submerged part of the ship's hull.
In the age of sail, wharves and capstan-houses were often built for the purpose of careening at yards with no dock: a system of pulleys and ropes, attached to the masthead, would be used to heel the ship over giving access to the hull. 18th-century storehouse, 19th-century dry dock and 20th-century warship preserved at Chatham
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Carina is the Latin word for "keel" and is the origin of the term careen (to clean a keel and the hull in general, often by rolling the ship on its side). An example of this use is Careening Cove, a suburb of Sydney, Australia, where careening was carried out in the early colonial days.
An image of an excavator near the boulders that crashed down the side of the mountain on Monday along State Route 168 in Fresno County, California.