Mitsubishi SpaceJet: Perbedaan antara revisi

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Pada bulan September 2009, Mitsubishi memperkenalkan perubahan desain yang cukup signifikan, yakni menggunakan [[aluminium]], bukannya [[plastik diperkuat-grafit]], untuk sayap pesawat dan [[wingbox]]; sementara komposit hanya akan menjadi bahan dari 10-15% [[bingkai udara]], yakni ekor.<ref name=Flight9sep2009/>
Tinggi kabin juga dinaikkan sebesar {{convert|1.5|in|cm|abbr=on|0}} menjadi {{convert|80.5|in|cm|abbr=on}}, dan tinggi fuselage dinaikkan menjadi {{convert|116.5|in|cm|abbr=on}}, sehingga kabinnya lebih bulat, lebih lebar, dan lebih tinggi daripada kompetitornya.<ref name=Flight9sep2009/>
Program ini ditunda selama enam bulan dengan desain akhir dihentikan pada pada pertengahan tahun 2010, penerbangan perdana diundur ke kuartal kedua tahun 2012, dan pengoperasian ditunda ke awal tahun 2014.<ref name=Flight9sep2009>{{cite news |author= Siva Govindasamy |title= Mitsubishi unveils major changes to MRJ programme |url= https://www.flightglobal.com/news/articles/aa09-mitsubishi-unveils-major-changes-to-mrj-progra-332045/ |publisher= [[Flightglobal]] |date= 9 September 2009 |location=Hong Kong}}</ref><ref>{{cite press release |title= Mitsubishi Aircraft Announces Final MRJ Configuration |url= http://www.flythemrj.com/news/date/news_090909.html |publisher= [[Mitsubishi Aircraft Corporation]] |date= 9 September 2009 }} {{WebarchiveCite web |url=http://www.flythemrj.com/news/date/news_090909.html |title=Salinan arsip |access-date=2021-12-13 |archive-date=2017-04-28 |archive-url=https://web.archive.org/web/20170428170138/http://www.flythemrj.com/news/date/news_090909.html |date=2017dead-04-28url=yes }}</ref>
Periode [[perawatan pesawat]] ini adalah 750 jam terbang per [[A check]] dan 7.500 jam terbang per [[C check]].<ref>{{cite news |url= http://aviationweek.com/crossover-narrowbody-jets/profitability-aim-crossover-jets-better-maintainability |title= Profitability Is Aim Of Crossover Jets' Better Maintainability |date= Sep 7, 2018 |author= Bernie Baldwin |work= Aviation Week & Space Technology}}</ref>
 
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[[File:MRJ Rollout Ceremony.jpeg|thumb|Prosesi peluncuran MRJ90 pada tanggal 18 Oktober 2014]]
 
Pada tanggal 15 September 2010, Mitsubishi Aircraft Corporation mengungkapkan bahwa mereka telah memasuki fase penggambaran produksi dan akan dilanjutkan dengan fase produksi.<ref>{{cite press release|title=Mitsubishi Aircraft Proceeds With MRJ Manufacturing Phase|url=http://www.flythemrj.com/news/date/news_100915.html|publisher=[[Mitsubishi Aircraft Corporation]]|date=15 September 2010|access-date=15 September 2010}} {{WebarchiveCite web |url=http://www.flythemrj.com/news/date/news_100915.html |title=Salinan arsip |access-date=2021-12-13 |archive-date=2016-09-16 |archive-url=https://web.archive.org/web/20160916215452/http://www.flythemrj.com/news/date/news_100915.html |date=2016dead-09-16url=yes }}</ref>
Perakitan pesawat pertama pun dimulai pada bulan April 2011 dengan perakitan akses darurat untuk kokpit.<ref>{{cite news|last1=Cohen|first1=Aubrey|title=Mitsubishi Regional Jet starts assembly|url=http://blog.seattlepi.com/aerospace/2011/04/05/mitsubishi-regional-jet-starts-assembly/|access-date=5 April 2011|publisher=[[Seattle Post-Intelligencer]]|date=5 April 2011}}</ref>
Pada bulan April 2012, penerbangan perdana ditunda menjadi tahun 2013.<ref>{{cite press release |title= Mitsubishi Regional Jet Schedule Update |url= http://www.flythemrj.com/news/date/news_120425.html |publisher= [[Mitsubishi Aircraft Corporation]] |date= 25 April 2012 }} {{WebarchiveCite web |url=http://www.flythemrj.com/news/date/news_120425.html |title=Salinan arsip |access-date=2021-12-13 |archive-date=2016-09-16 |archive-url=https://web.archive.org/web/20160916214704/http://www.flythemrj.com/news/date/news_120425.html |date=2016dead-09-16url=yes }}</ref>
Pada bulan Desember 2012, MRJ90 dijadwalkan mulai beroperasi pada tahun 2017.<ref name=Flight10Jan2013/>
 
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MRJ90 pertama yang sudah selesai dirakit pertama kali difoto pada tanggal 26 Juni 2014.<ref>{{cite news|last1=Toh|first1=Mavis|title=Mitsubishi mounts engines on first MRJ flight test aircraft|url=https://www.flightglobal.com/news/articles/pictures-mitsubishi-mounts-engines-on-first-mrj-flight-test-400783/|access-date=26 June 2014|publisher=[[Flightglobal]]|date=26 June 2014|location=Singapore}}</ref>
Peluncuran resmi pun diadakan pada tanggal 18 Oktober 2014.<ref>{{cite press release|title=MHI and Mitsubishi Aircraft Host MRJ Rollout Ceremony|url=http://www.flythemrj.com/news/date/news_141018.html|location=Nagoya|publisher=[[Mitsubishi Aircraft Corporation]]|date=18 October 2014|access-date=2 June 2015}} {{WebarchiveCite web |url=http://www.flythemrj.com/news/date/news_141018.html |title=Salinan arsip |access-date=2021-12-13 |archive-date=2016-09-16 |archive-url=https://web.archive.org/web/20160916212633/http://www.flythemrj.com/news/date/news_141018.html |date=2016dead-09-16url=yes }}</ref>
 
===Pengujian===
[[File:MRJ First Flight (1).png|thumb|Kru uji terbang MRJ keluar dari pesawat setelah penerbangan perdana]]
 
[[Penerbangan perdana]] MRJ90 diadakan pada tanggal 11 November 2015.<ref>{{cite news|last1=Harding|first1=Robin|title=Test flight triumph for Mitsubishi regional jet|url=http://www.ft.com/cms/s/0/247e26c0-8785-11e5-9f8c-a8d619fa707c.html|access-date=11 November 2015|work=[[Financial Times]]|publisher=[[The Nikkei]]|date=11 November 2015|location=Tokyo|url-access=subscription }}</ref><ref name=Mitsubishi11Nov2015>{{cite press release|title=MRJ Completes First Flight|url=http://www.flythemrj.com/news/date/news_151111.html|location=Nagoya|publisher=[[Mitsubishi Aircraft Corporation]]|date=11 November 2015|access-date=30 August 2016}} {{WebarchiveCite web |url=http://www.flythemrj.com/news/date/news_151111.html |title=Salinan arsip |access-date=2021-12-13 |archive-date=2016-09-16 |archive-url=https://web.archive.org/web/20160916195622/http://www.flythemrj.com/news/date/news_151111.html |date=2016dead-09-16url=yes }}</ref> Pada tanggal 24 Desember 2015, Mitsubishi mengumumkan penyerahan MRJ pertama ditunda ke pertengahan tahun 2018.<ref>{{cite news|last1=González|first1=Ángel|title=MRJ airliner delay won't disrupt jobs here, says local partner|url=http://www.seattletimes.com/business/boeing-aerospace/japans-mrj-airliner-delayed-by-another-year/|access-date=24 December 2015|publisher=[[The Seattle Times]]|date=24 December 2015}}</ref> Penundaan tersebut disebabkan oleh kekuatan sayap yang kurang memadai dan perancangan ulang roda pesawat.<ref>{{cite news|title=Delivery delayed further by weak wing|url=http://asia.nikkei.com/Business/Companies/Delivery-delayed-further-by-weak-wing|access-date=26 December 2015|work=Nikkei Asian Review|publisher=[[The Nikkei]]|date=25 December 2015|location=Tokyo}}</ref>
 
Sebagian besar uji terbang MRJ90 akan diadakan di [[Moses Lake, Washington]], di [[Bandar Udara Internasional Grant County]], karena ruang udara di Jepang cukup padat, sehingga sulit menentukan jadwal uji yang cocok.<ref>{{cite news |last=Catchpole |first=Dan |date=September 29, 2016 |title=New Mitsubishi regional jet being tested in Moses Lake |url=http://www.heraldnet.com/business/new-mitsubishi-regional-jet-being-tested-in-moses-lake/ |work=[[The Everett Herald]] |access-date=June 15, 2017}}</ref> Uji kekuatan statis diselesaikan pada tanggal 1 November 2016, dan mengkonfirmasi bahwa [[bingkai udara]] pesawat dapat menahan 1,5 kali beban maksimumnya.<ref>{{cite press release |url= http://www.flythemrj.com/media/pdf/MRJ%20Newsletter_Vol.19_E_20161130.pdf |title= MRJ Newsletter |date= November 2016 |publisher= Mitsubishi }} {{WebarchiveCite web |url=http://www.flythemrj.com/media/pdf/MRJ%20Newsletter_Vol.19_E_20161130.pdf |title=Salinan arsip |access-date=2021-12-13 |archive-date=2016-12-02 |archive-url=https://web.archive.org/web/20161202101120/http://www.flythemrj.com/media/pdf/MRJ%20Newsletter_Vol.19_E_20161130.pdf |date=2016dead-12-02url=yes }}</ref>
 
==Referensi==