Chitatu chakaratidza chiitiko chinovava munhoroondo yezvekubhururuka.
United Airlines, mutakuri wekutanga kugadzira Boeing 737 ive huru yezvikepe zvayo makore makumi mana nerimwe apfuura, akasiya yekupedzisira yejeti idzi mubato rendege raibva kuVirginia kuenda kuCalifornia.
Ndege iyi yaive yekupedzisira pamakumi mapfumbamwe nemana Boeing 94s iyo United yakamisa kubva munaGunyana 737. Kufamba kunorwadza uku kwakadyira zviuru zvevashandi veUnited mabasa avo asi pamwe kwakaponesa mutakuri kubva munjodzi yemari sezvo musika wekufambisa wakadonha munguva yechando yapfuura zvichitevera kuparara kweWall Street, vaongorori vakadaro.
Boeing 737 yekupedzisira yeUnited, yaifamba seFlight 737, yakasimudzwa kubva kuWashington Dulles International Airport mambakwedza neChitatu ndokubata nzvimbo dzese dzemutakuri apo yaienda kunzvimbo hombe yekuchengetedza muSan Francisco.
Mechanics achakurura ndege iyi oigadzirira rwendo rwayo rwekupedzisira kuenda pakati peCalifornia desert, kwainozopakwa.
Kupopotedzana pamusoro perwendo rwekupedzisira rwejeti chiyeuchidzo chekufarira kunoitwa nendege kuvanhu vazhinji, kubva kuvarwi vemigwagwa kusvika kune vashandi vendege. Asi havasi vese vachange vachifarira kuraswa kweUnited 737.
"Zvakafanana nekurasikirwa neshamwari yepamoyo," akadaro Jeff Ecklund, uyo akabhururuka 737s kwemakore matanhatu kuUnited asati arasikirwa nebasa munaGunyana. Ndiye mumwe wevatyairi 1,450 vari kucheneswa sezvo United inomisa ngarava dzayo mazana manomwe nemakumi matatu nenomwe uye matanhatu Boeing 737 jumbo jets. "Isu tinowanzo kuve takanamatira kune aya makuru zvidimbu zvealuminium."
Ndege dzekupedzisira dzejeti dzakaratidzawo kupera kwenguva kuChicago-based United, iyo yakabatsira mukuita kuti 737 ive yakanakisa kutengesa ndege yevafambi nguva dzese.
United payakaisa Boeing 737 yayo yekutanga kushanda muna 1968, vafambi vakaramba vakapfeka zvakanakisa Svondo pakufamba nendege uye kukakavara kwakanyanya pamusoro pekuti vashandi vendege vanofanira kudzingwa here nekuroora.
Kutsvaga jeti kuti itsive ngarava yayo yepropeller, United yakasarudza Boeing 737-200, ikava mutengi wekutanga wejeti yekutanga vhezheni kuti ishandiswe zvakanyanya (vashoma chete vechizvarwa chekutanga chejeti chakatengeswa).
Ve737 vakachinjawo mafambiro endege. Yakanga isina uremu, yakagara vanhu vanenge 120 uye yaida vatyairi vendege vaviri chete muimba yevatyairi vendege, panzvimbo pevatatu vakafanana nevakaitangira.
Mumaoko eSouthwest Airlines, iyo inozvikudza yose-737 zvikepe, uye zvimwe zvinodhura zvinotakura, yakava ndege yevanhu vazhinji. Zvizvarwa zvichangoburwa zvendege zvichiri vatengesi vakasimba veBoeing, iyo yakawana maodha anopfuura zviuru zvitanhatu pamusoro pehupenyu hwe6,000.
"Yakanga iri saizi chaiyo, hupfumi hwekushandisa panguva chaiyo," akadaro mupi wezano wendege Robert Mann wekubudirira kwejeti.
United yakatenga 233 yeBoeing yakamanikana-body jets mumafungu maviri ekuwedzera: munguva yekupedzisira 1960s uye yekupedzisira 1980s kuburikidza 1993. Asi pavakatarisana nesarudzo yakaoma yekuenzanisa ngarava dzayo dzendege sezvo mitengo yemafuta yakawedzera muna June 2008, United yakasarudza kurega 737 "classics," sezvavanozivikanwa mundege, pane diki ngarava dzeAirbus A320s.
Ndege dzekupedzisira dze737 dzekupedzisira dzeUnited dzinoita ruzha nendege, akadaro Tom Lee. Iye muLos Angeles-based aerospace executive uye anofarira ndege akafamba mune dzimwe ndege mbiri dzenhoroondo: nzendo dzekutanga dzekutengesa dzeBoeing 747 jumbo jet uye Airbus A380-decker ndege.
Vamwe vakapinda mubato iri nekuti vane ndangariro dzinofadza dzendege pachayo, akadaro. Kune vamwe, kubatana kunonyanya kukosha.
"Kunofanira kunge kuri kunakidzwa nekubhururuka," Lee akadaro. "Pane chimwe chinhu chine munhu anoda kutambanudza mapapiro ake, kubva pasi uye achishuva kuti dai aigona kubhururuka."
