 Mwikete yandikiye Calvin Scovel, umugenduzi mukuru ajejwe gutwara abantu nibintu, umupfasoni Chao yamenyesheje ko yipfuza ko haba uwo mwihwezo kugira ngo afashe ubuyobozi bwa Amerika bujejwe ingendo zindege, FAA, gutunganya neza ibijanye numutekano wingenzi. 