Ngozi ya ndege ya Yeti Airlines Flight 691 ku Nepal yomwe idachitika mu Januwale idapha anthu 72, kuphatikiza aku America ndi nzika zovomerezeka zaku US.
Ofufuza omwe adasankhidwa ndi boma adawonetsa kuti ngoziyi idachitika chifukwa oyendetsa ndegeyo adadula mphamvu molakwika, zomwe zidapangitsa kuti malowa azikhala ozungulira komanso kutsika komvetsa chisoni kwa ndegeyo. Yeti Airlines ndege 691 kuchokera ku Kathmandu kupita ku Pokhara kupita ku phompho kumapiri a Himalaya.
Ngoziyi yomwe idachitika pa Januware 15 idakhala ngozi yowopsa kwambiri yandege ku Nepal mzaka makumi atatu.
ATR 72 ya injini ziwiri zamapasa idanyamula anthu 72, opangidwa ndi makanda awiri, ogwira nawo ntchito anayi, komanso 15 ochokera kunja.
Tsoka ilo, panalibe opulumuka pa chochitika chomvetsa chisonicho.
Lipoti la Yeti Airlines Flight 691 limati:
"Chomwe chinayambitsa ngoziyi ndi kusuntha modzidzimutsa kwa mayendedwe onse awiriwo kupita pamalo pomwe pali nthenga, zomwe zidapangitsa kuti ma propellers achite nthenga komanso kulephera kwamphamvu, zomwe zidapangitsa kuti mayendedwe amlengalenga azitha kugundana ndi malo."
Woyang'anira wofufuzayo, a Dipak Prasad Bastola, adawonetsa kuti oyendetsa ndegewo adayika molakwika ma levers pamalo a nthenga m'malo mogwiritsa ntchito chowongolera chifukwa chosazindikira komanso njira zokhazikika. Izi zidapangitsa kuti injiniyo igwire ntchito, zomwe zimapangitsa kuti pakhale kusowa kwamphamvu.
Ngakhale izi zidachitika, ndegeyo idapitilira kuwuluka kwa masekondi pafupifupi 49 isanagwe chifukwa chakuthamanga kwake komwe kunalipo.
Ndege yomwe idakhudzidwa ndi nkhaniyi idapangidwa ndi ATR yomwe ili ku France, ndipo injini zake zidapangidwa ndi Pratt & Whitney Canada.
Lipoti lofufuzalo linapeza zifukwa zosiyanasiyana zomwe zimapangitsa kuti ngoziyi iwonongeke, kuphatikizapo kusaphunzitsidwa bwino kwaukadaulo, kuchulukirachulukira kwa ntchito komanso kupsinjika komwe kumakhudzana ndi kugwira ntchito pabwalo la ndege latsopano, komanso kusatsata njira zogwirira ntchito. Kuonjezera apo, ogwira ntchitoyo anaphonya zizindikiro za ndege ndi injini zomwe zimasonyeza kuti ma propeller onse anali ndi nthenga.
Ngakhale kuti izi zapeza, lipotilo linatsimikizira kuti ndegeyo ikusamalidwa bwino, kusowa kwa zolakwika zodziwika bwino, komanso kuyenerera kwa ogwira ntchito paulendo woyendetsa ndegeyo malinga ndi malamulo a Nepal Civil Aviation Authority.
Apaulendo omwe adakwera adawonedwa akucheza pomwe ndegeyo idayamba kutsika, monga momwe adajambulidwa mkati mwa ndegeyo.
Makanema a mboni zowona ndi maso za ngoziyo adawonetsa mapiko a ndegeyo akugwa kwambiri isanakhudze pansi. Ndegeyo idayendetsedwa limodzi ndi Anju Khatiwada, yemwe adachita maphunziro apamwamba oyendetsa ndege ku United States kutsatira imfa yomvetsa chisoni ya mwamuna wake pa ngozi ya ndege mu 2006 pomwe amawulukira ndege yomweyo.
Kaputeni wamkulu Kamal KC anali woyang'anira ndegeyo.
Zolemba zochokera ku Flight Safety Foundation's Aviation Safety database zikuwonetsa ngozi 42 zakupha za ndege ku Nepal kuyambira 1946.
Ngozi ya mu Januwale ndi yomwe idawononga kwambiri dzikolo kuyambira 1992 pomwe ndege ya Pakistan International Airlines Airbus A300 idagwa pafupi ndi Kathmandu, kupha miyoyo ya anthu 167 omwe adakwera.
Mndandanda wa anthu omwe adakwera pa ngoziyi mu Januwale adaphatikizapo nzika 53 zaku Nepal, komanso anthu ochokera ku India, Russia, South Korea, Australia, Argentina, Ireland, ndi France.
Makamaka, a European Union yaletsa ndege zaku Nepal kuchokera mumlengalenga wake kuyambira 2013 chifukwa cha nkhawa zachitetezo, monga tanena kale.