Oyang'anira aku US sangathe kulola oyendetsa ndege kuti azitha kugona m'malo ogona ngati gawo la kukonzanso malamulo opumula, wamkulu wa chitetezo ku Federal Aviation Administration watero lero.
"Sindikuyembekeza kuti tikhala tikukambirana," a Peggy Gilligan, woyang'anira wothandizira wa FAA, adauza komiti yanyumba ya Senate ku Washington. Oyendetsa ndege ayenera kubwera kudzagwira ntchito okonzeka kuwulutsa nthawi yawo yonse popanda kugona, adatero.
Ndemangazo zikusonyeza kuti US sidzalumikizana ndi Canada, France ndi Australia polola oyendetsa ndege kuti azigona pang'ono panthawi yomwe ndegeyo si yovuta. Oyendetsa ndege aku US, oyendetsa ndege komanso olimbikitsa chitetezo avomereza mchitidwewu ngati njira yoletsa oyendetsa ndege kuti asagone mwangozi.
Bungwe la FAA linayamba kulembanso malamulo okhudza kutopa kwa oyendetsa ndege chaka chino pambuyo pa ngozi zandege, monga ya pafupi ndi Buffalo, New York, yomwe inapha anthu 50, zadzutsa nkhawa za kupuma. Malamulo atsopanowa adzatha chaka chamawa kusiyana ndi Dec. 31 chifukwa akutenga nthawi yayitali kuposa momwe amayembekezera, Gilligan adati.
"Nthawi zina woyendetsa ndege amatha kutopa mosayembekezereka," a Bill Voss, pulezidenti wa bungwe lopanda phindu la Flight Safety Foundation ku Alexandria, Virginia, anauza gululo. "N'kwabwino kwambiri kukhala ndi njira yolola woyendetsa wotopa kugona kwa nthawi yoikika akudziwa bwino za woyendetsa ndegeyo."
Gulu lazamalonda la onyamula aku US, kuphatikiza Delta Air Lines Inc., American Airlines ya AMR Corp. ndi Southwest Airlines Co., idati kafukufuku waboma amapereka umboni "wochuluka" wosonyeza kuti kugona tulo kumachepetsa kutopa.
"Tiyenera kuchitapo kanthu paumboniwu," a Basil Barimo, wachiwiri kwa purezidenti wa Air Transport Association ku Washington, adauza gululo.
Ulendo Wausiku Onse
Bungwe la National Transportation Safety Board likufufuza umboni wosonyeza kutopa kwa ogwira ntchito m’ndege ya Pinnacle Airlines Corp. Colgan pa Feb. 12 pafupi ndi Buffalo. Ndegeyo idanyamuka kuchokera ku Newark, New Jersey.
Woyendetsa ndegeyo, Marvin Renslow, 47, adalowa mu kompyuta yakampani nthawi ya 3:10 m'mawa tsiku la ngoziyi, ndipo woyendetsa ndegeyo Rebecca Shaw, wazaka 24, adanyamuka kupita kuntchito usiku wonse kuchokera ku Seattle, komwe amakhala ndi makolo ake, ku NTSB. Bungweli likufufuzabe za ngoziyi.
"Zikuwoneka kwa ine kuti palibe amene adagona usiku wonse," atero Senator Byron Dorgan, wa Democrat waku North Dakota, yemwe adatsogolera gululo pakumva kutopa kwa oyendetsa lero.
Oyendetsa ndege awiri a Mesa Air Group Inc.'s Go! anagona pa Feb. 13, 2008, akuuluka kuchokera ku Honolulu kupita ku Hilo, Hawaii, asanatsike bwinobwino, NTSB inatha mu August. Ndegeyo inadutsa mtunda wa makilomita 30 kudutsa kumene ikupita isanabwerere m'mbuyo, ndipo oyendetsa ndegeyo anasowa oyendetsa ndege kwa mphindi 25.
'Last-Ditch Effort'
Bungwe la Air Line Pilots Association, lomwe lili ndi mamembala 53,000 a bungwe loyendetsa ndege lalikulu kwambiri padziko lonse lapansi, limathandizira kugona tulo ngati "kuyesetsa komaliza" kuwonetsetsa kuti oyendetsa ndege ali tcheru podutsa ndege, atero a John Prater, Purezidenti wa gululo.
Malamulo apano a federal amachepetsa oyendetsa ndege kuti asapitirire maola asanu ndi atatu patsiku, ngakhale amatha kugwira ntchito mpaka maola 16, kuphatikiza nthawi yapansi pakati pa ndege.
Kuwunikiridwa kwa malamulo a FAA kudzaphatikizanso "kutsetsereka," kuti oyendetsa ndege azigwira ntchito motalikirapo paulendo wautali wapadziko lonse lapansi komanso wamfupi ngati atanyamuka ndikutera mosinthana kapena kuwuluka usiku, a Gilligan wa FAA adatero.
Bungweli silinasankhebe zolinga za ola limodzi pamitundu yosiyanasiyana ya ndege, adatero. Bungwe la FAA likuwunikanso momwe angathanirane ndi oyendetsa ndege, kaya akuphatikizapo zofunikira mu lamuloli kapena kupereka malangizo kwa onyamulira za njira zabwino, Gilligan adatero.
