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Shipbuilding
Order
Keel laying
Float-out
Naming and launching
Fitting out
Sea trials
Delivery and commissioning
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Titanic departing Belfast during her sea trials
A sea trial is the testing phase of a watercraft (including boats, ships, and submarines). It is also referred to as a "shakedown cruise" by many naval personnel. It is usually the last phase of construction and takes place on open water, and it can last from a few hours to many days.
Sea trials are conducted to measure a vessel's performance and general seaworthiness. Testing of a vessel's speed, maneuverability, equipment and safety features are usually conducted. Usually in attendance are technical representatives from the builder (and from builders of major systems), governing and certification officials, and representatives of the owners. Successful sea trials subsequently lead to a vessel's certification for commissioning and acceptance by its owner.
Although sea trials are commonly thought to be conducted only on new-built vessels (referred by shipbuilders as 'builders trials'), they are regularly conducted on commissioned vessels as well. In new vessels, they are used to determine conformance to construction specifications. On commissioned vessels, they are generally used to confirm the impact of any modifications.
Sea trials can also refer to a short test trip undertaken by a prospective buyer of a new or used vessel as one determining factor in whether to purchase the vessel.
A seatrial is the testing phase of a watercraft (including boats, ships, and submarines). It is also referred to as a "shakedown cruise" by many naval...
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fishing boat despite her large size. On 7 December 2015, Zumwalt began her seatrial preparatory to joining the Pacific Fleet. The ship was commissioned in...
January 2004. The transformed ship completed her seatrials in July 2013 and first STOBAR aviation trials in September 2013. She was commissioned on 16 November...
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of the Seas and the steel cutting ceremony. The LNG-tanks were built by Wärtsila and delivered in November 2022. The ship started her seatrials on 7 May...
needed]. The vessel was floated out on 19 June 2015, began her first seatrials on 10 March 2016, and was delivered to Royal Caribbean on 12 May 2016...
Mike Pence. On 7 May, the ship put to sea for seatrials before her annual patrol. After the short seatrials, Ronald Reagan returned to port, then left...
handed development of Sea Hunter to the Office of Naval Research (ONR). On 22 June 2016, Sea Hunter completed initial performance trials, meeting or surpassing...
familiarization with their new ship. Before commissioning, the new ship undergoes seatrials to identify any deficiencies needing correction. The preparation and readiness...
March 2021, Meyer Werft announced the start of seatrials in the North Sea, and she finished her trials on 25 March 2021. Due to the COVID-19 pandemic...
Mattarella, with his daughter serving as the ship's godmother. The first seatrial took place on August 12, 2021, off the coast of La Spezia. Three Fincantieri...
relocated in a drydock towards the sea. MSC World Europa was floated out in December 2021, and completed her first seatrials using LNG in the Atlantic during...
undergoing seatrials and entered service on 21 December 2013. A third Borei-class boat (Vladimir Monomakh) was launched and began trials in early 2013...
and was handed over to the navy on 10 July 2014 after completing her seatrials. The ship was officially commissioned by Prime Minister Narendra Modi...
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