01727oam 2200529 450 991071545830332120210420115430.0(CKB)5470000002511461(OCoLC)761014349(OCoLC)995470000002511461(EXLCZ)99547000000251146120111115j196811 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierComparison of information display concepts for landing of VTOL aircraft /by William GraceyWashington, D.C. :National Aeronautics and Space Administration, Langley Research Center,November 1968.1 online resource (42 pages) illustrationsNASA/TN ;D-4861"November 1968."Includes bibliographical references (pages 17-18).Landing aidsnasatAircraftnasatAeronautical instrumentsDisplay systemsfastLanding aids (Aeronautics)fastVertically rising aircraftfastLanding aids.Aircraft.Aeronautical instrumentsDisplay systems.Landing aids (Aeronautics)Vertically rising aircraft.Gracey William1913-1418387Langley Research Center,OCLCEOCLCEOCLCQOCLCFOCLCQGPOOCLCOGPOBOOK9910715458303321Comparison of information display concepts for landing of VTOL aircraft3529698UNINA