适航证明书 meaning in English

airworthiness certificate
certificate of seaworthiness

Current certificate of airworthiness , and certificate of registration of the aircraft to be used
仍然生效的适航证明书，以及所用飞机的登记证；
December 19 , 2005 the civil aviation department ( cad ) today ( december 19 ) issued a certificate of airworthiness to a boeing 747 - 400 special freighter , which is the first cathay pacific airways b747 - 400 freighter converted from a passenger aircraft
民航处今日（十二月十九日）签发适航证明书予一架特别改装的波音747 - 400型货机，该架货机是国泰航空公司首架由客机改装而成的波音747 - 400型货机。