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|national origin= United States
|manufacturer= [[Boom Technology]]
|first flight= 22 March 2024<ref name="march222024Boom" />
|introduced=
|retired=
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The '''Boom XB-1''' "Baby Boom" is a one-third-scale [[trijet]] supersonic demonstrator designed by [[Boom Technology]] ([[doing business as|dba]] "Boom Supersonic"<ref>{{cite press release |url= https://www.prnewswire.com/news-releases/boom-supersonic-to-roll-out-historic-xb-1-demonstrator-oct-7-301088708.html |title= Boom Supersonic to Roll Out Historic XB-1 Demonstrator Oct. 7 |publisher= Boom Supersonic |date=Jul 8, 2020}}</ref>) as part of development of the [[Boom Overture]] supersonic transport airliner. Powered by three [[General Electric J85]]s,<!--ref name=AvWeek10Jul2018/--> it is planned to maintain Mach 2.2, with over {{convert|1000|nmi|lk=in}} of range.<!--<ref name=AW161115>--> Taxi tests began in December 2022
==Development==
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In January 2022, Boom began conducting engine run-ups using the XB-1, in preparation for taxi tests and the first flight later in 2022.<ref>{{Cite tweet|title=Plane spotters: Spied anything new on APA/KAPA's taxiways lately? Engine runs on our supersonic demonstrator are underway.|user=boomaero |number=1484996055993311239|date=22 January 2022}}</ref> In May 2022, ground testing was completed with engine run up done on all three engines. Undercarriage and flight systems were tested and deemed ready. Taxi runs and actual flight runs were expected in late 2022.<ref name=simpleflying11may2022>{{Cite web |last=Bailey |first=Joanna |date=2022-05-11 |title=Supersonic Revival: Boom's XB-1 Is Already 80% Through Pre-Flight Testing |url=https://simpleflying.com/boom-supersonic-xb-1-flight-testing/ |website=Simple Flying |language=en-US}}</ref> Further delays {{as of|February 2023|lc=y}} pushed the expected first flight to mid-2023.<ref name="HIBT">{{cite podcast|last=Scholl|first=Blake|title=How I Built This -Transcript|url=https://steno.ai/how-i-built-this-with-guy/hibt-lab-boom-supersonic-blake-scholl|date=February 23, 2023|time=29:06|access-date=March 11, 2023}} " We're going to take it down to the [[Mojave Desert]] for flight test probably around the middle of this year."</ref>
In August 2023, the aircraft received its experimental certification of airworthiness from the [[Federal Aviation Administration|FAA]].<ref>{{cite web |url=https://aviationweek.com/air-transport/safety-ops-regulation/faa-clears-boom-supersonic-xb-1-flight-tests |title=FAA Clears Boom Supersonic For XB-1 Flight Tests |publisher=Aviation Week |date=August 24, 2023 |access-date=2024-02-27}}</ref> Medium-speed taxi testing was performed in November 2023, with the aircraft reaching a top speed of 94 knots.<ref>{{cite web|url=https://web.archive.org/web/20240219143917/https://boomsupersonic.com/xb-1 |title=Boom - XB-1 |access-date=2024-02-27}}</ref> Following testing, in January 2024 Boom delayed the first test flight to early 2024 to implement safety improvements.<ref>{{cite web | url=https://boomsupersonic.com/xb-1 | title=Boom - XB-1 }}</ref><ref>{{cite web |url=https://simpleflying.com/boom-supersonic-xb-1-taxi-tests-planned/ |title=Boom’s Supersonic Demonstrator XB-1 Missed 2023 Flight Goal But Taxi Tests Planned |date=4 January 2024 |access-date=2024-02-27}}</ref> The three improvements identified were upgrading the landing gear for increased reliability, optimizing engine intakes for improved resistance to engine stall, and adjusting the aircraft's dampers for improved stability and control. The XB-1 finally made it's first flight on 22 March 2024, flown by Chief Test Pilot Bill "Doc" Shoemaker from [[Mojave Air and Space Port]].<ref name="march222024Boom">{{cite web |title=Boom Announces Successful Flight of XB-1 Demonstrator Aircraft |url=https://boomsupersonic.com/flyby/inaugural-first-flight-xb1-supersonic-demonstrator?utm_source=TW&utm_medium=static&utm_campaign=XB1FF&utm_content=xb1_firstflight |website=Boom Supersonic |publisher=Boom Technology |access-date=22 March 2024 |date=22 March 2024}}</ref>
==Design==
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