Malaysia Airlines Flight 370

===2018 search===
On 17 October 2017, Dutch-based [[Fugro]] and American company [[Ocean Infinity]] offered to resume the search for the aircraft.<ref>{{cite news|url=https://www.theguardian.com/world/2017/oct/17/mh370-companies-approach-malaysia-restarting-new-search-for-plane|title=MH370: three companies approach Malaysia over restarting search for plane|agency=Reuters|date=17 October 2017|work=The Guardian|access-date=17 October 2017|url-access=registration|archive-date=17 October 2017|archive-url=https://web.archive.org/web/20171017045944/https://www.theguardian.com/world/2017/oct/17/mh370-companies-approach-malaysia-restarting-new-search-for-plane|url-status=live}}</ref> In January 2018, Ocean Infinity announced that it was planning to resume the search in the narrowed {{convert|25000|sqkm|abbr=on}} area. The search attempt was approved by the Malaysian government, provided that payment would be made only if the wreckage were<!--subjunctive--> found.<ref name="auto"/><ref name="auto1"/> Ocean Infinity chartered the Norwegian ship ''[[Seabed Constructor]]'' to perform the search.<ref name="economist.com"/>

In late January, it was reported that the [[Automatic identification system|AIS tracking system]] had detected the vessel reaching the search zone on 21&nbsp;January. The vessel then started moving to {{coord|-35.6|92.8|type:landmark_scale:10000000|name=CSIRO crash area}}, the most likely crash site according to the drift study by the [[Commonwealth Scientific and Industrial Research Organisation]] (CSIRO).<ref name="star23"/> The planned search area of "site&nbsp;1", where the search began, was {{convert|33012|sqkm|abbr=on}}, while the extended search area covered a further {{convert|48500|sqkm|abbr=on}}.<ref name="InfinityWeek1">{{cite web|title=MH370 Operational Search Update #1|url=https://oceaninfinity.com/wp-content/uploads/MH370-Search-Weekly-Report-1.pdf|website=oceaninfinity.com|publisher=Government of Malaysia|access-date=15 February 2018|archive-date=8 February 2018|archive-url=https://web.archive.org/web/20180208174245/https://oceaninfinity.com/wp-content/uploads/MH370-Search-Weekly-Report-1.pdf|url-status=dead}}</ref> In April, a report by Ocean Infinity revealed that "site&nbsp;4", farther northeast along the 7th arc,{{efn|name="7th arc"|The 7th arc is a line on the map of possible positions where the aircraft went down due to fuel exhaustion.<ref>{{cite web |url=https://www.atsb.gov.au/mh370-pages/the-search/maps/ |title=The Search – Maps – The Seventh Arc |work=[[Australian Transport Safety Bureau]] |access-date=2 October 2019 |archive-date=2 October 2019 |archive-url=https://web.archive.org/web/20191002203401/https://www.atsb.gov.au/mh370-pages/the-search/maps/ |url-status=live }}</ref><ref>{{cite web |url=https://www.flightglobal.com/news/articles/new-analysis-helps-refine-mh370-search-area-419681/ |title=New analysis helps refine MH370 search area |date=3 December 2015 |first=Ellis |last=Taylor |website=[[FlightGlobal]] |access-date=2 October 2019 |archive-date=2 October 2019 |archive-url=https://web.archive.org/web/20191002204516/https://www.flightglobal.com/news/articles/new-analysis-helps-refine-mh370-search-area-419681/ |url-status=live }} 7th arc is indicated in Figure 1 (by a pink line).</ref> It corresponds to the seventh and final handshake with the tracking satellite at 08:19.<ref>{{cite web |url=https://www.atsb.gov.au/mh370-pages/the-search/faqs/ |title=Frequently asked questions: Why is the seventh satellite handshake' or arc so important? |work=[[Australian Transport Safety Bureau]] |quote=The seventh handshake was the last communications MH370 had with the satellite... we are confident that the point where the aircraft ran out of fuel lies on the arc delineated by the seventh handshake. |access-date=2 October 2019 |archive-date=2 October 2019 |archive-url=https://web.archive.org/web/20191002203401/https://www.atsb.gov.au/mh370-pages/the-search/faqs/ |url-status=live }}</ref>}} had been added to the search plan.<ref name="InfinityWeek12">{{cite web|title=MH 370 Operational Search Update #12|url=https://oceaninfinity.com/wp-content/uploads/MH370-Search-Weekly-Report-12.pdf|website=oceaninfinity.com|publisher=Government of Malaysia|access-date=20 April 2018|archive-date=23 April 2018|archive-url=https://web.archive.org/web/20180423170022/https://oceaninfinity.com/wp-content/uploads/MH370-Search-Weekly-Report-12.pdf|url-status=dead}}</ref> By the end of May 2018, the vessel had searched a total area of over {{convert|112000|sqkm|abbr=on}}, using eight [[autonomous underwater vehicle|AUVs]];<ref name="InfinityWeek5"/><ref name="conclusion"/> all areas of "site&nbsp;1" (including areas beyond that originally planned for "site&nbsp;1"), "site&nbsp;2", and "site&nbsp;3" had been searched.<ref name="InfinityWeek18">{{cite web|title=MH 370 Operational Search Update #18|url=http://mh370.gov.my/en/mh370-underwater-search-2018?download=150:29-may-2018-english-version|website=mh370.gov.my|publisher=Government of Malaysia|access-date=29 May 2018|archive-date=20 September 2019|archive-url=https://web.archive.org/web/20190920215828/http://mh370.gov.my/en/mh370-underwater-search-2018?download=150:29-may-2018-english-version|url-status=dead}}</ref> The final phase of the search was conducted in "site&nbsp;4" in May 2018,<ref name="InfinityWeek18"/> "before the weather limits Ocean Infinity's ability to continue working this year."<ref>{{cite web |url= https://oceaninfinity.com/update-search-missing-malaysian-airlines-flight-mh370 |title= Update on search for Missing Malaysian Airlines Flight MH370 |work= OceanInfinity.com |date= 30 April 2018 |access-date= 30 July 2018 |archive-date= 12 June 2018 |archive-url= https://web.archive.org/web/20180612140738/https://oceaninfinity.com/update-search-missing-malaysian-airlines-flight-mh370/ |url-status= dead }}</ref> Malaysia's new transport minister [[Loke Siew Fook]] announced on 23&nbsp;May 2018 that the search for MH370 would conclude at the end of the month.<ref name="loke">{{cite news |url=https://edition.cnn.com/2018/05/23/asia/mh370-search-to-end-intl/index.html |title=MH370 search to end on May 29 after four years |first=Angela |last=Dewan |work=CNN |date=23 May 2018 |access-date=24 May 2018 |archive-date=23 May 2018 |archive-url=https://web.archive.org/web/20180523202136/https://edition.cnn.com/2018/05/23/asia/mh370-search-to-end-intl/index.html |url-status=live }}</ref> Ocean Infinity confirmed on 31&nbsp;May that its contract with the Malaysian government had ended,<ref name=perthnow>{{cite web|url=https://www.perthnow.com.au/news/transport/mh370-hunt-continues-for-few-more-days-ng-s-1864235|title=MH370 hunt continues for few more days|date=1 June 2018|access-date=30 July 2018|archive-date=12 June 2018|archive-url=https://web.archive.org/web/20180612142250/https://www.perthnow.com.au/news/transport/mh370-hunt-continues-for-few-more-days-ng-s-1864235|url-status=live}}</ref><ref>{{cite web |url=https://www.news.com.au/travel/travel-updates/incidents/mh370-search-ship-seabed-constructor-not-ready-to-stop-yet/news-story/d20ba9dc35fddf95e8a92770c5fe5ffe?from=rss-basic |title=MH370 search: It's not over till it's over |access-date=30 July 2018 |archive-date=4 December 2021 |archive-url=https://web.archive.org/web/20211204112133/https://www.news.com.au/travel/travel-updates/incidents/mh370-search-ship-seabed-constructor-not-ready-to-stop-yet/news-story/d20ba9dc35fddf95e8a92770c5fe5ffe?from=rss-basic |url-status=live }}</ref> and it was reported on 9&nbsp;June 2018 that the Ocean Infinity search had come to an end.<ref name="ended">{{cite web |url=https://changingtimes.media/2018/06/09/mh370-ocean-infinity-search-ends-amid-calls-for-new-disclosures-and-further-investigation/ |title=MH370: Ocean Infinity search ends amid calls for new disclosures and further investigation |date=8 June 2018 |access-date=30 July 2018 |archive-date=12 June 2018 |archive-url=https://web.archive.org/web/20180612142211/https://changingtimes.media/2018/06/09/mh370-ocean-infinity-search-ends-amid-calls-for-new-disclosures-and-further-investigation/ |url-status=live }}</ref> Ocean-floor mapping data collected during the search have been donated to the [[Nippon Foundation]]–[[General Bathymetric Chart of the Oceans|GEBCO]] Seabed 2030 Project, to be incorporated into the global map of the ocean floor.<ref>{{cite web |url= https://www.marinetechnologynews.com/news/ocean-infinity-donates-seabed-561884 |title= Ocean Infinity Donates Data to Seabed Mapping Project |date= 21 June 2018 |access-date= 30 July 2018 |archive-date= 21 June 2018 |archive-url= https://web.archive.org/web/20180621201418/https://www.marinetechnologynews.com/news/ocean-infinity-donates-seabed-561884 |url-status= live }}</ref><ref>{{cite web|url=https://seabed2030.gebco.net/resources_for_journalists/documents/ocean_infinity_press_release.pdf|title=Ocean Infinity donates 120,000 square kilometres of data from search for missing Malaysian airliner to The Nippon Foundation-GEBCO Seabed 2030 Project|date=21 June 2018|publisher=[[Nippon Foundation]]|format=press release|access-date=22 June 2018|archive-date=22 June 2018|archive-url=https://web.archive.org/web/20180622192734/https://seabed2030.gebco.net/resources_for_journalists/documents/ocean_infinity_press_release.pdf|url-status=dead}}</ref>

In March 2019, in the wake of the fifth anniversary of the disappearance, the Malaysian government stated that it was willing to look at any "credible leads or specific proposals" regarding a new search.<ref>{{cite web|url=https://www.theguardian.com/world/2019/mar/07/mh370-search-glimmer-of-hope-remains-with-malaysia-open-to-fresh-hunt|title=MH370: relatives call for 'serious commitment' from Malaysia to find plane|first=Naaman|last=Zhou|date=7 March 2019|work=The Guardian|url-access=registration|access-date=23 March 2019|archive-date=7 March 2019|archive-url=https://web.archive.org/web/20190307045422/https://www.theguardian.com/world/2019/mar/07/mh370-search-glimmer-of-hope-remains-with-malaysia-open-to-fresh-hunt|url-status=live}}</ref> Ocean Infinity stated that it was ready to resume the search on the same no-find, no-fee basis, believing that it would benefit from the experience that it had gained from its search for the wreck of Argentinian submarine [[ARA San Juan (S-42)|ARA ''San Juan'']] and [[bulk carrier]] ship ''[[Stellar Daisy]].'' Ocean Infinity believed that the most probable location was still somewhere along the 7th arc around the area identified previously and upon which its 2018 search was based.<ref>{{cite web|url=https://www.airlineratings.com/news/mh370-ocean-infinity-stands-ready-resume-search/|title=MH370: Ocean Infinity stands ready to resume search|first=Steve|last=Creedy|date=4 March 2019|access-date=23 March 2019|archive-date=23 March 2019|archive-url=https://web.archive.org/web/20190323111055/https://www.airlineratings.com/news/mh370-ocean-infinity-stands-ready-resume-search/|url-status=live}}</ref>