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{{Short description|Boeing advanced technology project}}
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'''Yellowstone''' is a [[Boeing Commercial Airplanes]] project to replace its entire civil aircraft portfolio with advanced technology aircraft. New technologies to be introduced include [[composite material|composite]] [[aerostructure]]s, more electrical systems (reduction of hydraulic systems), and more fuel-efficient [[turbofan]] engines (such as the [[Pratt & Whitney PW1000G]] Geared Turbofan, [[General Electric GEnx]], the [[CFM International CFM56|CFM International LEAP56]], and the [[Rolls-Royce Trent]] 1000). The term "Yellowstone" refers to the technologies, while "Y1" through "Y3" refer to the actual aircraft.<ref>[http://www.globalsecurity.org/military/systems/aircraft/civil-boeing-yellowstone.htm Boeing Y-class Yellowstone] ''GlobalSecurity.org''. Retrieved 13 May 2012.</ref>
[[Image:BCA Pax Capacity.png|thumb|A graph showing the passenger capacity of Boeing's existing civil aircraft compared to Yellowstone.]]


⚫
The '''Boeing Yellowstone Project''' was a [[Boeing Commercial Airplanes]] project to replace its entire civil aircraft portfolio with advanced technology aircraft. New technologies to be introduced include [[composite material|composite]] [[aerostructure]]s, more electrical systems (instead of hydraulic systems), and more fuel-efficient [[turbofan]] engines (such as the [[Pratt & Whitney PW1000G]], [[General Electric GEnx]], the [[CFM International CFM56]], and the [[Rolls-Royce Trent 1000]]). The term "Yellowstone" refers to the technologies, while "Y1" through "Y3" refer to the actual aircraft.<ref>{{cite web|url=http://www.globalsecurity.org/military/systems/aircraft/civil-boeing-yellowstone.htm|title=Boeing Y-class Yellowstone|website=GlobalSecurity.org|access-date=13 May 2012}}</ref>
The first of these projects, Y2, has entered service as the [[Boeing 787]].

The first of these projects, Y2, entered service as the [[Boeing 787]]. The second project, Y3, is expected to enter service as the [[Boeing 777X]]. The Y1 project was cancelled in favor of the re-engined [[Boeing 737 MAX]].


==Yellowstone projects==
==Yellowstone projects==
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<!-- Note Boeing Y1 and 737 MAX are not the same thing. The Y1 will be built further out in the future than the 737MAX. Please do not link 737 MAX wherever it says Boeing Y1.-->
<!-- Note Boeing Y1 and 737 MAX are not the same thing. The Y1 will be built further out in the future than the 737MAX. Please do not link 737 MAX wherever it says Boeing Y1.-->
* '''Boeing Y1''', to replace the [[Boeing 737]], [[Boeing 757|757]], and [[Boeing 767|767-200]] product lines.<ref>[https://www.flightglobal.com/news/articles/boeing-firms-up-737-replacement-studies-by-appointing-205223/ "Boeing firms up 737 replacement studies by appointing team"]. Flight Global. March 3, 2006.</ref> The Y1 covers the 100- to 250-passenger market, and is expected to be the second Yellowstone Project aircraft to be developed. Boeing submitted a patent application in November 2009, that was released to the public in August 2010, that envisions an elliptical composite fuselage, and likely signals the company's planning for the 737 successor.<ref>[http://ip.com/patapp/US20100200697 "Weight-Optimizing Internally Pressurized Composite-Body Aircraft Fuselages Having Near-Elliptical Cross Sections"]. ip.com, August 12, 2010.</ref><ref>Ostrower, John. [http://www.flightglobal.com/blogs/flightblogger/2010/09/boeing_patent_may_provide_glim/ Boeing patent may provide glimpse into 737 replacement plan]. Flightblogger on Flightglobal.com, September 24, 2010.</ref> In early 2011, Boeing outlined plans for a 737 replacement that would arrive in 2020.<ref>Cameron, Doug. [https://www.wsj.com/articles/SB10001424052748703293204576105722792053588 "Boeing Says 787 Still Profitable, Eyes 737 Revamp"]. ''[[The Wall Street Journal]]'', January 26, 2011.</ref><ref>Ostrower, Jon. [https://www.flightglobal.com/news/articles/boeing-boss-green-lights-all-new-next-generation-nar-353056/ "Boeing boss green-lights all-new next generation narrowbody"]. Air Transport Intelligence news via FlightGlobal.com, February 10, 2011.</ref> In August 2011, Boeing postponed the decision to develop a 737 replacement with the launch of the [[Boeing 737 MAX|737 MAX]], an updated and re-engined version of the [[Boeing 737 Next Generation|737 Next Generation]].<ref>[http://boeing.mediaroom.com/index.php?s=43&item=1908 "Boeing Launches 737 New Engine Family with Commitments for 496 Airplanes from Five Airlines"]. Boeing, August 30, 2011.</ref> In November 2014, it was reported that Boeing plans to develop a new aircraft to replace the 737 in the 2030 time frame.<ref>[http://www.chicagotribune.com/business/breaking/chi-boeing-new-airplane-20141105-story.html "Boeing plans to develop new airplane to replace 737 Max by 2030"]. Chicago Tribune, November 5, 2014.</ref> From 2015 onwards, it became clear that Boeing was focusing on a [[Boeing New Midsize Airplane|"New Midsize Airplane"]], a seven-abreast twin-aisle with an elliptical cross-section, expected to be launched in 2019 for entry into service in the mid-2020s.<ref>{{Cite news |url= http://www.seattletimes.com/business/boeing-aerospace/boeings-talking-with-airlines-about-a-797-and-they-like-what-they-hear/ |title= Boeing's talking with airlines about a ‘797,' and they like what they hear |date= March 8, 2017 |work= The Seattle Times |author= Dominic Gates |access-date=}}</ref>
* '''Boeing Y1''', to replace the [[Boeing 737|737]] and [[Boeing 757|757]] product lines.<ref>{{cite web|url=https://www.flightglobal.com/boeing-firms-up-737-replacement-studies-by-appointing-team/66022.article|title=Boeing firms up 737 replacement studies by appointing team"|website=[[FlightGlobal]]|date=March 3, 2006}}</ref> The Y1 covers the 100- to 250-passenger market, and is expected to be the second Yellowstone Project aircraft to be developed. Boeing submitted a patent application in November 2009, that was released to the public in August 2010, that envisions an elliptical composite fuselage, and likely signals the company's planning for the 737 successor.<ref>[http://ip.com/patapp/US20100200697 "Weight-Optimizing Internally Pressurized Composite-Body Aircraft Fuselages Having Near-Elliptical Cross Sections"]. ip.com, August 12, 2010.</ref><ref>{{cite web|last=Ostrower|first=John|url=http://www.flightglobal.com/blogs/flightblogger/2010/09/boeing_patent_may_provide_glim/|title=Boeing patent may provide glimpse into 737 replacement plan|website=FlightGlobal|date=September 24, 2010|archive-url=https://web.archive.org/web/20141006074327/http://www.flightglobal.com/blogs/flightblogger/2010/09/boeing_patent_may_provide_glim/|archive-date=October 6, 2014}}</ref> In early 2011, Boeing outlined plans for a 737 replacement that would arrive in 2020.<ref>{{cite news|last1=Sanders|first1=Peter|last2=Cameron|first2=Doug|url=https://www.wsj.com/articles/SB10001424052748703293204576105722792053588|title=Boeing Says 787 Still Profitable, Eyes 737 Revamp|newspaper=[[The Wall Street Journal]]|date=January 26, 2011}}</ref><ref>{{cite web|last=Ostrower|first=Jon|url=https://www.flightglobal.com/boeing-boss-green-lights-all-new-next-generation-narrowbody/98345.article|title=Boeing boss green-lights all-new next generation narrowbody|website=FlightGlobal|date=February 10, 2011}}</ref> In August 2011, Boeing announced the [[Boeing 737 MAX|737 MAX]], an updated and re-engined version of the 737, rather than progress with Y1 concepts.<ref>{{cite press release|url=https://boeing.mediaroom.com/2011-08-30-Boeing-Introduces-737-MAX-With-Launch-of-New-Aircraft-Family|title=Boeing Launches 737 New Engine Family with Commitments for 496 Airplanes from Five Airlines|publisher=Boeing|date=August 30, 2011}}</ref>
* '''Boeing Y2''', to replace the [[Boeing 767|767-300]] and -400 product lines. It may also replace the [[Boeing 777|777-200]].<ref>Norris, Guy. [https://www.flightglobal.com/news/articles/the-737-story-smoke-and-mirrors-obscure-737-and-air-204506/ "THE 737 STORY: Smoke and mirrors obscure 737 and Airbus A320 replacement studies"]. Flight Global. February 7, 2006.</ref> It covers the 250- to 350-passenger market, and was the first completed Yellowstone project, coming to fruition as the ''[[Boeing 787 Dreamliner]]''. Y2 initially referred to the highly efficient, more conventional, baseline aircraft for the [[Boeing Sonic Cruiser|Sonic Cruiser]], which was project "Glacier".<ref>Norris, Guy. [https://www.flightglobal.com/news/articles/sonic-cruiser-is-dead-long-live-super-efficient-159915/ "Sonic Cruiser is dead - long live Super Efficient?"]. Flight Global. January 7, 2003.</ref> The Dreamliner competes with the [[Airbus]] [[Airbus A330|A330]], [[Airbus A340|A340]] and later [[Airbus A350|A350]] families.
* '''Boeing Y2''', to replace the [[Boeing 767|767]] product line.<ref>{{cite web|last=Norris|first=Guy|url=https://www.flightglobal.com/the-737-story-smoke-and-mirrors-obscure-737-and-airbus-a320-replacement-studies/65317.article|title=THE 737 STORY: Smoke and mirrors obscure 737 and Airbus A320 replacement studies|website=FlightGlobal|date=February 7, 2006}}</ref> It covers the 250- to 350-passenger market, and was the first completed Yellowstone project, coming to fruition as the ''[[Boeing 787 Dreamliner]]''. Y2 initially referred to the highly efficient, more conventional, baseline aircraft for the [[Boeing Sonic Cruiser|Sonic Cruiser]], which was project "Glacier".<ref>{{cite web|last=Norris|first=Guy|url=https://www.flightglobal.com/sonic-cruiser-is-dead-long-live-super-efficient-/46405.article|title=Sonic Cruiser is dead - long live Super Efficient?|website=FlightGlobal|date=January 7, 2003}}</ref> The Dreamliner competes with the [[Airbus A330neo]].
* '''Boeing Y3''', to replace the [[Boeing 777|777-300]] and [[Boeing 747|747]] product lines. Y3 covers the 350–600+ passenger market, and is expected to be the third Yellowstone Project aircraft to be developed. It will compete with the [[Airbus A380]] family as well as the largest model of the [[Airbus A350|A350]] family, the A350-1000. In June 2010 it was reported that [[Emirates (airline)|Emirates]], which has the largest fleet of 777s, was in discussions with Boeing about plans to develop a new airliner to replace the 777.<ref>{{cite web | title=Emirates talks to Boeing about 777 successor and hints at more big orders | publisher=flightglobal | year=2010 | url=http://www.flightglobal.com/articles/2010/06/22/343481/emirates-talks-to-boeing-about-777-successor-and-hints-at-more-big.html | accessdate=2010-06-26}}</ref> The [[Boeing 777X|Boeing 777-8X and 777-9X]] were launched by Boeing on November 16, 2013 at the Dubai Airshow in the United Arab Emirates, with 259 orders.
* '''Boeing Y3''', to replace the [[Boeing 777|777]] and [[Boeing 747|747]] product lines. Y3 covers the 350–600+ passenger market. The [[Boeing 777X]] is largely considered the end result of the Y3 program, which was launched by Boeing on November 16, 2013. The 777X competes with the [[Airbus A350]].


==See also==
==See also==
{{Portal|Aviation}}
* [[Boeing 7x7 series]]
* [[Boeing_Commercial_Airplanes#Model_naming_convention|Boeing 7X7 series]]


==References==
==References==
Line 21: Line 25:
*[http://www.aerospaceweb.org/question/design/q0108.shtml "Future Airliners"], Aerospaceweb.org, January 5, 2003. (refers to Yellowstone as the project name for the future [[Boeing 787]])
*[http://www.aerospaceweb.org/question/design/q0108.shtml "Future Airliners"], Aerospaceweb.org, January 5, 2003. (refers to Yellowstone as the project name for the future [[Boeing 787]])
*[http://www.flightinternational.co.uk/Articles/2005/06/07/Navigation/240/198872/Not+if+but+when.html "Not if... but when"], ''[[Flight International]]'', July 6, 2005.
*[http://www.flightinternational.co.uk/Articles/2005/06/07/Navigation/240/198872/Not+if+but+when.html "Not if... but when"], ''[[Flight International]]'', July 6, 2005.
*[http://www.b737.org.uk/history.htm "History & Development of the Boeing 737"], b737.org.uk, October 23, 2005
*{{cite news
*{{cite news
|url= https://www.independent.co.uk/travel/news-and-advice/boeings-answer-to-the-superjumbo-takes-off-1893971.html
|url= https://www.independent.co.uk/travel/news-and-advice/boeings-answer-to-the-superjumbo-takes-off-1893971.html
|title= Boeing's answer to the "superjumbo" takes off
|title= Boeing's answer to the "superjumbo" takes off
|date= February 9, 2010
|date= February 9, 2010
|publisher= The Independent
|work= The Independent
}}
}}


Latest revision as of 22:25, 6 February 2024

A graph showing the passenger capacity of Boeing's existing civil aircraft compared to Yellowstone.

The Boeing Yellowstone Project was a Boeing Commercial Airplanes project to replace its entire civil aircraft portfolio with advanced technology aircraft. New technologies to be introduced include composite aerostructures, more electrical systems (instead of hydraulic systems), and more fuel-efficient turbofan engines (such as the Pratt & Whitney PW1000G, General Electric GEnx, the CFM International CFM56, and the Rolls-Royce Trent 1000). The term "Yellowstone" refers to the technologies, while "Y1" through "Y3" refer to the actual aircraft.[1]

The first of these projects, Y2, entered service as the Boeing 787. The second project, Y3, is expected to enter service as the Boeing 777X. The Y1 project was cancelled in favor of the re-engined Boeing 737 MAX.

Yellowstone projects

[edit]

Yellowstone is divided into three projects:

  • Boeing Y1, to replace the 737 and 757 product lines.[2] The Y1 covers the 100- to 250-passenger market, and is expected to be the second Yellowstone Project aircraft to be developed. Boeing submitted a patent application in November 2009, that was released to the public in August 2010, that envisions an elliptical composite fuselage, and likely signals the company's planning for the 737 successor.[3][4] In early 2011, Boeing outlined plans for a 737 replacement that would arrive in 2020.[5][6] In August 2011, Boeing announced the 737 MAX, an updated and re-engined version of the 737, rather than progress with Y1 concepts.[7]
  • Boeing Y2, to replace the 767 product line.[8] It covers the 250- to 350-passenger market, and was the first completed Yellowstone project, coming to fruition as the Boeing 787 Dreamliner. Y2 initially referred to the highly efficient, more conventional, baseline aircraft for the Sonic Cruiser, which was project "Glacier".[9] The Dreamliner competes with the Airbus A330neo.
  • Boeing Y3, to replace the 777 and 747 product lines. Y3 covers the 350–600+ passenger market. The Boeing 777X is largely considered the end result of the Y3 program, which was launched by Boeing on November 16, 2013. The 777X competes with the Airbus A350.

See also

[edit]

References

[edit]
  1. ^ "Boeing Y-class Yellowstone". GlobalSecurity.org. Retrieved 13 May 2012.
  2. ^ "Boeing firms up 737 replacement studies by appointing team"". FlightGlobal. March 3, 2006.
  3. ^ "Weight-Optimizing Internally Pressurized Composite-Body Aircraft Fuselages Having Near-Elliptical Cross Sections". ip.com, August 12, 2010.
  4. ^ Ostrower, John (September 24, 2010). "Boeing patent may provide glimpse into 737 replacement plan". FlightGlobal. Archived from the original on October 6, 2014.
  5. ^ Sanders, Peter; Cameron, Doug (January 26, 2011). "Boeing Says 787 Still Profitable, Eyes 737 Revamp". The Wall Street Journal.
  6. ^ Ostrower, Jon (February 10, 2011). "Boeing boss green-lights all-new next generation narrowbody". FlightGlobal.
  7. ^ "Boeing Launches 737 New Engine Family with Commitments for 496 Airplanes from Five Airlines" (Press release). Boeing. August 30, 2011.
  8. ^ Norris, Guy (February 7, 2006). "THE 737 STORY: Smoke and mirrors obscure 737 and Airbus A320 replacement studies". FlightGlobal.
  9. ^ Norris, Guy (January 7, 2003). "Sonic Cruiser is dead - long live Super Efficient?". FlightGlobal.
[edit]
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