Director of the U.S. aviation administration personally carries out Boeing 737max evaluation test flight

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 Director of the U.S. aviation administration personally carries out Boeing 737max evaluation test flight


(function(){( window.slotbydup=window .slotbydup||[]).push({id:u5811557,container:ssp_ 5811557, async:true }Source of this article: Hou Shuai, editor in charge of the news_ NN5533