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Modern ships are most commonly built in a series of pre-fabricated, complete hull sections rather than around a single keel. The event recognized as the keel laying is the first joining of modular components, or the lowering of the first module into place in the building dock. It is now often called
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Keel-related traditions from the times of wooden ships are said to bring luck to the ship during construction and to the captain and crew during her later life. They include placing a newly minted coin under the keel and constructing the ship over it, having the youngest apprentice place the coin,
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or the president of a private company. The ship's prospective name, without the "USS", is mentioned in the invitation, if known; otherwise her type and number are given, e.g., DD 2217. For submarines, they do not have a keel to be laid, instead, the initials of the
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211:"keel authentication", and is the ceremonial beginning of the ship's life, although some modules may have been started months before that stage of construction.
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and when the ship is finished, presenting the owners with the oak block on which the keel is laid. The tradition of the placement of coins derives from the
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The first milestone in the history of a ship is the generally simple ceremony that marks the laying of the keel. Invitations to the ceremony are issued by
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In earlier times, the event recognized as the keel laying was the initial placement of the central timber making up the backbone of a vessel, called the
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are welded on a steel plate during the ceremony. The plate will be mounted in a place of honor on the submarine once built.
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laying is one of the four specially celebrated events in the life of a ship; the others are
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officials, and the ceremony is conducted by them. The builder may be the commander of a
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custom of placing coins under the mast and is believed to date back to
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351:"Keel laying ceremony for two Ro-Ro special ships for DFDS A/S"
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470:"GDEB Lays Keel of Submarine District of Columbia (SSBN 826)"
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373:"Aker Philadelphia Shipyard Holds Ceremonial Keel Laying"
167:, 2005. Note the pre-fabricated module in the background.
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Formal recognition of the start of a ship's construction
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Office of the Chief of Naval
Operations (15 Jun 2001).
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OPNAVINST 1710.7A – Social Usage and
Protocol Handbook
396:"Mast Stepping: A Mariner's Tradition | Navy Live"
334:"Australia: Austal Holds Keel-Laying Ceremony..."
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429:. Washington, DC. p. 9-1. Archived from
236:" to convey the souls of the dead across the
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178:is the formal recognition of the start of a
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394:Lenzini, Heidi (January 25, 2013).
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379:. 7 May 2009. Archived from
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308:"Ship Building Milestones"
377:American Shipping Company
159:Keel laying ceremony for
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232:and were intended to "
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143:Laying of the keel of
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121:Driving the first or
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507:Nautical terminology
361:on October 22, 2013.
436:on 25 February 2013
383:on 14 October 2013.
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135:s keel laying, 1941
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283:"Shipbuilding 101"
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176:laying down
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65:Fitting out
46:Keel laying
496:Categories
474:Naval News
319:2013-06-05
293:2013-06-06
265:References
238:River Styx
215:Traditions
70:Sea trials
57:Naming and
450:cite book
190:launching
161:USS
59:launching
51:Float-out
18:Laid down
250:shipyard
147:Mariposa
129:Missouri
405:May 16,
163:Freedom
151:in 1943
125:during
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440:4 June
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41:Order
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