I-Turkish Airlines iphikisana nemiphumela yophenyo lwaseDutch lwengozi eyabulala yango-2009

ITurkish Airlines kuqondwe ukuthi iphonsela inselelo imiphumela yophenyo lwaseDutch mayelana nokuphahlazeka kweBoeing 737-800 yayo isendleleni eya e-Amsterdam.

Inkampani yezindiza izwakalise ukungabaza ikakhulukazi ngomzamo wabasebenzi ongaphumelelanga wokululama endaweni yokudayisa.

Ngokombiko ovela ku-Air Transport Intelligence, i-autothrottle yendiza yehlise ukusunduza ukuba ingasebenzi ngesikhathi isondela, ngemuva kokuthola ulwazi olungalungile lokuphakama kwe-altimeter yomsakazo engakwesokunxele, okubangele ukuthi indiza ilahlekelwe isivinini.

Lokhu kuthiwa akubonanga abasebenzi kwaze kwaba yilapho indiza isongela ukumisa, isigxobo senduku sisebenza ngo-737 nje ongu-460ft ngaphezu komhlaba.

Uphenyo lwe-Dutch Safety Board luthole ukuthi isikhulu sokuqala, umshayeli wendiza ondizayo, waphendula ngokushesha ku-stick-shaker ngokuphusha ikholomu yokulawula nokuphonsela ama-lever phambili, ngokuhambisana nezinqubo zokubuyisela itafula.

Kodwa ukuhlaziya isiqophamazwi se-cockpit-voice kubonisa ukuthi ukapteni ubuye wabiza ukuthi useyalawula, njengoba nje ama-thrust lever ayephushelwe phambili. “Kucatshangwa ukuthi umphumela walokhu kwaba ukuthi ukukhetha kwephoyisa lokuqala kwaphazamiseka,” kusho umbiko wokugcina ngale ngozi.

Okubi kakhulu, njengoba isikhulu sokuqala siyeka ama-thrust levers ukuthi anikeze ukulawula, i-autothrottle ebisabambekile yaphinde yababuyisela emuva esikhundleni sokungenzi lutho.

“Ngokuqondile ngemva kwalokho, i-autothrottle yanqanyulwa,” kusho umbiko wophenyo. "Kodwa isikhathi esiyimizuzwana eyisikhombisa ama-thrust lever awazange ayiswe phambili endaweni yokungenzi lutho."

Yize uphenyo lungakwazanga ukucacisa ukuthi ukapteni ubezibeke yini izandla kuma-thrust levers, luthi kudlule imizuzwana eyisishiyagalolunye phakathi kokusebenza kwe-stick-shaker kanye nokunyakaza kwama-thrust levers ukuya phezulu.

Ngalesi sikhathi indiza yayivele imile futhi ukuphakama okusele kwe-350ft "kwakunganele ngenqubo yokubuyisela", uyanezela.

I-Turkish Airlines ithi i-autothrottle "ihlehle kungazelelwe" nokuthi i-Boeing "yayingashongo", emibhalweni yayo, isidingo sokunqamula i-autothrottle ngesikhathi senqubo.

Inkampani yenethiwekhi iphinde ichaze ubudlelwano phakathi kwe-altimeter yomsakazo ongakwesokunxele kanye ne-autothrottle njengokuthi “okunephutha”, yengeza ngokuthi ayizange ichazwe emibhalweni ye-Boeing yabasebenzi bendiza kwaze kwaba ngemva kokuphahlazeka.

Nakuba ivuma ukuthi ukukhishwa kwe-autothrottle akuchazwanga enqubweni yokutakula, Ibhodi Lezokuphepha lase-Dutch ligqamisa izinkinga zolwazi olungaphelele lwezinhlelo zendiza ezincikene. Kukhomba ekuhluphekeni kwezisebenzi “ngokumangala okuzenzakalelayo” ngokuphathelene nokuziphatha kwe-autothrottle - phakathi nakho kokubili ukulahlekelwa kwasekuqaleni kokusondela kanye nokuzama ukululama.

I-Turkish Airlines iphinde ithi ukuhlolwa kwesilingisi kukhombisa ukuthi ubude obungu-500ft buyadingeka ukuze i-737-800 ilulame ngempumelelo esitebeleni, nokuthi indiza engasebenzi kahle yayisivele ingaphansi kwaleli zinga ngenkathi abashayeli bezindiza beqala inqubo yokutakula.