01196oam 2200373Ia 450 991068994580332120090109164611.0(CKB)5470000002333795(OCoLC)61710718(EXLCZ)99547000000233379520050926d1983 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierPilots' role in collision avoidance[electronic resource][Washington, D.C.] :U.S. Dept. of Transportation, Federal Aviation Administration,[1983]7, 1 page digital, PDF fileAdvisory circular ;AC no. 90-48CTitle from PDF caption (viewed Jan. 9, 2009)."3/18/83."Cancels AC 90-48 B, dated 9/5/80.AirplanesPilotingAccidentsAirplanesCollision avoidanceAirplanesPilotingAccidents.AirplanesCollision avoidance.COACOAGPOBOOK9910689945803321Pilots' role in collision avoidance3136809UNINA