Sailing ship accidents
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Sailing ships were (and are) frequently put in the way of difficult conditions, whether by storm or combat, and the crew frequently called upon to cope with accidents, ranging from the parting of a single line to whole destruction of the rigging, and from running aground to fire.
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[edit] Accidents to rigging
Running rigging is often subject to parting, especially during bad weather, or when attempting to carry too much sail in a strong wind. For instance, the brace on the weather side is under a considerable strain, and its parting would allow the entire yard to swing free, a rather ugly prospect for a spar up to 30 meters long. In general, for each line there is a procedure to a) reduce the forces at play, b) use other lines to bring loose items under control, and c) run a replacement line (retying is not usually an option, since the knot will not fit through the blocks). The most critical lines will sometimes have a backup in the form of a "preventer" line serving the same function.
Standing rigging is a structural element that holds up the masts, and loss of standing rigging puts them at risk of being sprung (cracked) or simply snapped off. By the end of the age of sail, most stays had preventers, and warships equipped themselves with "rigging stoppers" or "fighting stoppers", small lengths of rope arranged so they be attached to shrouds quickly and tightened.
In the days of wooden construction, sprung masts were a serious problem, because their structural integrity was compromised, and the next gust of wind could easily bring them down. Upper masts were usually just replaced by spares carried for the purpose. The usual recourse for the lower mast was to "fish" it by lashing a special set of spars to the mast along the cracked area.
If the mast was gone altogether, it had to be replaced with a jury rig assembled from whatever spars were available.
[edit] Accidents to the steering
The sailboat is particularly vunerable to capsizing or hiting a shoal or rock in the water when the steering fails. In heavy chop there is a lot of force on the rudder as it bashes in and out of the water pushing water violently. Many times sailors had to be rescued by Coast Guard when loss of steering occurs. If the ship is flying their Spinaker and they loss steering the boat will most likely broche (head up into wind). this wil on most boats cause a capsize in heavy weather. It is possible to sail small dingy without rudder by adjusting sails, CLR, CE and heel of the boat.
[edit] Leaks
[edit] Cargo shift
On a ship cargo must be stowed evenly so that the ship sits upright. All ships are vulnerable to cargo shifting, causing the ship to develop a list to one side. However sailing ships are particularly vulnerable because the ship naturally heels over in reaction to the force of the wind on the sails. If the cargo is not adequately secured the cargo may fall to the leeward side of the ship. Loose cargos (e.g. grain) flow downhill like water if not adequately secured (e.g. by shifting boards) and are particularly prone to shifting. If a large quantity of cargo shifts the ship may develop such a heavy list that she capsizes. A catastrophic cargo shift caused the loss of the tall ship Pamir in 1957.
[edit] Grounding
[edit] Capsize
The severity of a capsize depends on the size and design of a vessel. A small dinghy is designed to capsize and be righted by her crew. Yachts are typically built to right themselves even if heeled over beyond 90 degrees. However a large sailing ship will typically lose all stability at a smaller angle of heel, and will be vulnerable to downflooding and sinking if heeled beyond this point.
[edit] Fire
Fire is a serious threat to all ships, but to a ship made of wood, rope, and canvas, it was the greatest danger of all. Cooking fires in the galley were watched constantly, and put out instantly if the weather turned ugly, or an enemy ship appeared in the distance. Warships had an elaborate set of procedures for handling their gunpowder; the magazines were deep in the ship and the lanterns kept in another room, with a window between.
The introduction of steam power in the mid-1800s was attended by the use of "fire-engines" consisting of pumps and hoses. Even so, fire was fatal to a ship far more often than not.
[edit] References
- John Harland. (1984). Seamanship in the Age of Sail. Naval Institute Press. chap. 22
- Parrott, Daniel. (2003). Tall Ships Down - the last voyages of the Pamir, Albatross, Marques, Pride of Baltimore and the Maria Asumpta. McGraw Hill. ISBN 0-07-139092-8.
