Pasanathe mwezi umodzi kuchokera pamene oyendetsa ndege ku US Airways adatulutsa malonda a masamba onse ku USA Today akuimba mlandu wonyamulirayo kuti akudumpha katundu wamafuta kuti apulumutse ndalama, oyendetsa ndege kumakampani ena akupitilizabe kuyimba alamu ndipo akuwonetsa nkhawa zachitetezo chandege. ogwira ntchito ndi okwera.
Oyendetsa ndege adanena kuti mabwana awo a ndege, akufunitsitsa kuchepetsa mtengo, akukakamiza kuti azitha kuwuluka mopanda mafuta. Zinthu zidafika poipa zaka zitatu zapitazo, ngakhale mitengo yamafuta isanayambike, pomwe NASA idatumiza chenjezo kwa akuluakulu oyendetsa ndege. Kuyambira nthawi imeneyo, oyendetsa ndege, oyendetsa ndege ndi ena apitirizabe kumveka ndi machenjezo awo, komabe bungwe la Federal Aviation Administration limati palibe chifukwa choyitanitsa ndege kuti zisiye kuyesetsa kwawo kuti mafuta achuluke.
"Sitingalowerere m'ndondomeko zamabizinesi kapena za ogwira ntchito mundege," mneneri wa FAA a Les Dorr adatero posachedwa. Ananenanso kuti palibe chomwe chikuwonetsa kuti malamulo achitetezo akuphwanyidwa.
Chenjezo lachitetezo cha Seputembala 2005 lidaperekedwa ndi chinsinsi cha NASA Aviation Safety Reporting System, chomwe chimalola ogwira ntchito pamlengalenga kuti afotokoze zovuta zachitetezo popanda kuwopa kuti mayina awo awululidwa.
Popeza mitengo yamafuta tsopano ndiyotsika mtengo kwambiri, makampani oyendetsa ndege akukakamiza mwamphamvu malamulo atsopano opangidwa kuti achepetse kugwiritsa ntchito.
M'mwezi wa February, woyendetsa Boeing 747 adanenanso za kuchepa kwamafuta panjira yopita ku Kennedy Airport. Ananenanso kuti anapitiriza ulendo wa Kennedy atakambirana ndi woyang'anira ntchito za ndege yake, yemwe adamuuza kuti mu ndegeyo muli mafuta okwanira.
Ndegeyo itafika, woyendetsa ndegeyo adanena kuti inali ndi mafuta ochepa kwambiri kotero kuti pakanakhala kuchedwa kutsika, "Ndikadayenera kulengeza zadzidzidzi wamafuta" - mawu omwe amauza oyang'anira ndege kuti ndegeyo iyenera kukhala yofunika kwambiri kuti ifike.
Kuwonongeka kwakukulu komaliza kwa ndege ku US komwe kunachitika chifukwa cha kuchepa kwamafuta kunali pa Januware 25, 1990, pomwe ndege ya Avianca Boeing 707 inatha pamene ikuyembekezera kutera pa Kennedy ndikugunda ku Cove Neck. Anthu makumi asanu ndi awiri mphambu atatu mwa anthu 158 omwe anali m'ngalawayo anaphedwa.
