'Kubisala kosaneneka kwa zolakwika zamapangidwe': Boeing akuzengedwa mlandu ndi oyendetsa ndege a 737 MAX

Woyendetsa ndege, yemwe amadziwika kuti 'Pilot X' m'zikalata za khothi, adayambitsa mlandu wotsutsana ndi Boeing, akudzudzula wopanga ndege waku US kuti abisa vuto la sensa yolakwika ya 737 MAX ndikuyika oyendetsa mumdima pazantchitoyo. kubwerera mwamsanga.

Oyendetsa ndege opitilira 400 adalumikizana nawo, ophunzitsidwa kuyendetsa ndege yamtundu wachinayi yamtundu wa 737 MAX. Iwo akudzudzula bungwe loyendetsa ndege ku Chicago kuti likubisa nkhawa zomwe zimadziwika za zida zomwe zimayikidwa pa jeti.

Vuto lalikulu la ma jetiwo limachokera ku "kuwonongeka koopsa kwa kayendedwe ka ndege" kwa Maneuvering Characteristics Augmentation System (MCAS), opangidwa kuti aletse ndege kuti isaimirire. Kuchita bwino kwake kumadalira deta yomwe imalandira kuchokera ku ma sensor awiri a Angle of Attack (AoA). Pali awiri mwa iwo pazifukwa: ngati deta yochokera ku masensa sagwirizana, ndiye chenjezo la AoA Disagree liyenera kuyatsa, kudziwitsa oyendetsa ndege za kusiyana.

Kuti omalizawa agwire bwino ntchito, zisonyezo zomwe mwasankha ziyenera kuyikidwa mundege, ndipo 20 peresenti yokha ya ma jets 737 MAX anali nawo. Boeing posachedwapa adavomereza kuti adadziwa za vutoli kuyambira 2017, koma sanadziwitse bungwe la US Federal Aviation Authority (FAA) mpaka pamene ndege ya Lion Air yomwe inali ndi anthu 189 inagwa ku Indonesia mu October watha. Kuphatikiza apo, sinakonze zosintha pulogalamuyo mpaka 2020.

Mlanduwu, womwe umafuna kulipidwa chifukwa cha malipiro otayika komanso kuzunzika m'maganizo komwe oyendetsa ndegewo adapirira chifukwa choyendetsa ndegeyo, akuti mkulu wa ndegeyo adayenera kudziwa kuti posesa nkhaniyi, idakhazikitsa njira yoti izi zitheke.

Dandaulo likuti Boeing "adachita kubisa zomwe zidadziwika bwino za MAX, zomwe zidapangitsa kuti ndege ziwiri za MAX ziwonongeke ndikuyimitsa ndege zonse za MAX padziko lonse lapansi."

Oyendetsa ndege "amavutika ndipo akupitirizabe kuvutika ndi malipiro otayika, pakati pa zowonongeka zina zachuma ndi zomwe sizili zachuma," ikutero.

Kuonjezera apo, oyendetsa ndege amatsutsa Boeing chifukwa chopereka malangizo ochepa a momwe angagwiritsire ntchito zotsutsana ndi kutsika, zomwe zimangotchulidwa mwachidule m'mabuku oyendetsa ndege. Iwo ati njira yachisawawa yotereyi yodziwira oyendetsa mapulogalamu atsopano idapangidwa mwadala - ndipo idapangidwa kuti ipulumutse mtengo woyambitsa maphunziro atsopano opangidwa ndi simulator kuti oyendetsa ndege atenge "njira zopangira ndalama mwachangu."

Odandaulawo akuti cholinga chawo chachikulu ndikuletsa ngozi monga ngozi za Lion Air ndi Ethiopian Airlines, zomwe zidapha anthu 346, kuti zisadzachitike mtsogolomo poletsa "Boeing ndi ena opanga ndege kuti ayambe kuika phindu lamakampani patsogolo pa miyoyo ya oyendetsa ndege. , ogwira nawo ntchito, ndi ntchito zawo zapagulu.”

Mlanduwu udzamvedwa ndi khothi ku Chicago mu Okutobala.