01191nam 2200361Ia 450 991069769810332120080930161832.0(CKB)5470000002389977(OCoLC)259480204(EXLCZ)99547000000238997720080930d1971 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierAircraft position and anticollision light measurements[electronic resource][Washington, D.C.] :Dept. of Transportation, Federal Aviation Administration,[1971]1 volume (various pagings) digital, PDF fileAdvisory circular ;AC no: 20-74"29 July 1971."Title from title screen (viewed Sept. 30, 2008).Includes bibliographical references.AirplanesLightingLightMeasurementAirplanesLighting.LightMeasurement.GPOGPOBOOK9910697698103321Aircraft position and anticollision light measurements3091895UNINA