01276nam 2200385Ia 450 991069819190332120090306110320.0(CKB)5470000002395090(OCoLC)312706329(EXLCZ)99547000000239509020090306d1977 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierAdditional weather information[electronic resource] domestic and flag air carriers[Washington, D.C.] :Dept. of Transportation, Federal Aviation Administration,[1977]5 pages digital, PDF fileAdvisory circular ;AC no. 121-25Title from PDF caption (viewed Mar. 6, 2009)."9/16/77."Additional weather information AirplanesClimatic factorsForecastingMeteorology in aeronauticsWeather forecastingAirplanesClimatic factorsForecasting.Meteorology in aeronautics.Weather forecasting.GPOGPOBOOK9910698191903321Additional weather information3530505UNINA