01205nam 2200385Ia 450 991069792940332120090121131640.0(CKB)5470000002393701(OCoLC)298976251(EXLCZ)99547000000239370120090121d1977 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierGyroscopic instruments[electronic resource] good operating practices[Washington, D.C.] :Dept. of Transportation, Federal Aviation Administration,[1977]3 pages digital, PDF fileAdvisory circular ;AC no. 91-46Title from PDF caption (viewed Jan. 21, 2009)."2/4/77."Gyroscopic instruments Gyroscopic instrumentsAirplanesControl systemsInstrument flyingGyroscopic instruments.AirplanesControl systems.Instrument flying.GPOGPOBOOK9910697929403321Gyroscopic instruments3467875UNINA