Seabed Constructor
{{short description|American vessel}}
{{Use dmy dates|date=October 2018}}
{{Use British English|date=October 2018}}
| {{Infobox ship begin
|infobox caption= |display title= ital }} {{Infobox ship image |Ship image=Seabed Constructor.jpg |Ship image size= |Ship caption= }} {{Infobox ship career |Hide header= |Ship country= |Ship name= * Olympic Athene
|Ship owner= Olympic Ship Swire Seabed |Ship operator= Ocean Infinity |Ship registry=Bergen, {{flag|Norway|civil}} |Ship ordered= |Ship builder= Kleven Verft AS |Ship original cost= |Ship yard number= |Ship laid down= |Ship launched= 2013 |Ship completed= 2014 |Ship christened= |Ship in service= |Ship out of service= |Ship identification= {{IMO|9682148}} |Ship fate= |Ship status= Operational |Ship notes= }} {{Infobox ship characteristics |Hide header= |Header caption= |Ship class= MT6022 MK II subsea support and construction vessel |Ship type= |Ship tonnage= * {{GT|7883}}
|Ship displacement= |Ship length= {{convert|115.4|m|ft|abbr=on}} |Ship beam= {{convert|22|m|ft|abbr=on}} |Ship height= |Ship draught= {{convert|7.135|m|ft|abbr=on}} |Ship depth= |Ship decks= 7 |Ship ice class= ICE-C |Ship power= 5 x Caterpillar 2230 ekW |Ship propulsion= Electric |Ship speed= {{cvt|12.5|kn}} service {{cvt|16|kn}} max |Ship crew= |Ship notes= }} |
Seabed Constructor is a multipurpose offshore vessel owned by Swire Seabed and contracted since December 2016 to British-owned hydrographic survey company Ocean Infinity, based in Houston, Texas, United States.{{cite web|url=https://subseaworldnews.com/2016/12/07/swire-seabed-secures-work-for-its-new-subsea-vessel/|title=Swire Seabed Secures Work for Its New Subsea Vessel|website=Subseaworldnews.com|date=7 December 2016 |accessdate=8 January 2018}}{{cite news |last1=Kleinman |first1=Mark |title=Revealed: City tycoon funds 'final' search for doomed MH370 |url=https://news.sky.com/story/revealed-city-tycoon-funds-final-search-for-doomed-mh370-11224409 |accessdate=18 November 2018 |work=Sky News |publisher=Sky UK |date=27 January 2018}} Previously known as Olympic Athene and originally Olympic Boa, the ship was launched in 2013 and is flagged in Norway.{{csr|register=MSI|id=9682148|accessdate=14 November 2018}} The ship is designed to conduct geophysical and geotechnical surveys of the seabed, support the construction or demolition of underwater structures, conduct trenching and excavation operations, and serve as a ROV platform for the company's autonomous underwater vehicles and unmanned surface vehicles. The ship is {{convert|114|m|ft}} in length, with a {{convert|22|m|ft}} beam, a gross tonnage of 7,883, and deadweight tonnage of 6,480 metric tons. Its maximum speed is {{convert|14.1|kn|lk=in}}.{{cite web|url=http://www.marinetraffic.com/en/ais/details/ships/shipid:305289/mmsi:257224000/imo:9682148/vessel:SEABED_CONSTRUCTOR|title=Vessel details for: SEABED CONSTRUCTOR (Offshore Supply Ship) - IMO 9682148, MMSI 257224000, Call Sign LFIP3 Registered in Norway - AIS Marine Traffic|website=MarineTraffic.com}}
Seabed Constructor participated in the search for Malaysia Airlines Flight 370.{{cite web|url=https://www.swireseabed.com/assets/vessels/seabed-constructor|title=Seabed Constructor - Swire Seabed|website=Swireseabed.com|accessdate=8 January 2018|archive-date=14 February 2018|archive-url=https://web.archive.org/web/20180214014616/https://www.swireseabed.com/assets/vessels/seabed-constructor|url-status=dead}}{{cite web|url=http://www.news.com.au/travel/travel-updates/incidents/the-mindblowing-technical-capabilities-of-new-mh370-search-vessel-seabed-constructor/news-story/1b57123c6ad8408ed6667cdf809e1fcb|title='Underwater drones' to probe seabed for lost plane|website=News.com.au|accessdate=8 January 2018}} It was operated by Ocean Infinity on a 90-day search contract for the missing aircraft; the mission ended unsuccessfully in mid-June 2018.{{Cite web|url=https://www.scmp.com/news/asia/southeast-asia/article/2144321/mh370-us-search-team-extends-indian-ocean-mission-after|title=US team extends ocean search mission after failing to find MH370|date=2 May 2018|website=South China Morning Post}}
Seabed Constructor was then contracted by the Argentine Navy to search for the missing submarine ARA San Juan. On 17 November 2018, Seabed Constructor found San Juan a year and two days after the submarine's disappearance. The submarine lies on the seabed at a depth of {{convert|920|m|ft}} below sea level.{{cite news|url=https://www.bbc.com/news/world-latin-america-46245686|title=Argentina submarine: ARA San Juan found|date=17 November 2018|website=BBC.com|accessdate=7 July 2020}}
On 22 July 2019, the French government announced that drones launched from Seabed Constructor had found the {{ship|French submarine|Minerve|S647|6}}, lost at sea in 1968.{{cite web|url=https://twitter.com/florence_parly/status/1153217210036490240?s=09|title=Tweet of Florence Parly, Ministre de la Défense|website=twitter.com|accessdate=22 July 2019}}
On 4 December 2019, search teams from Seabed Constructor located the wreckage of {{SMS|Scharnhorst}}, the flagship of the German Empire's East Asia Squadron during World War I, at a depth of {{cvt|1610|m}}, some {{cvt|98|nmi}} southeast of the Falkland Islands.{{cite news|title=German WWI wreck Scharnhorst discovered off Falklands|publisher=BBC News|url=https://www.bbc.co.uk/news/world-latin-america-50670743|date=5 December 2019|access-date=5 December 2019}}