01138nam 2200349Ia 450 991069764290332120081015144017.0(CKB)5470000002390534(OCoLC)262556861(EXLCZ)99547000000239053420081015d1993 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierService difficulty program (general aviation)[electronic resource][Washington, D.C.] :U.S. Dept. of Transportation, Federal Aviation Administration,[1993]3, 9 pages digital, PDF fileAdvisory circular ;AC no: 20-109A"4/8/93"AC 20-109, dated l/8/79, is canceled.Title from PDF file caption (viewed Oct. 15, 2008).Service difficulty program AirplanesInspectionAirplanesInspection.GPOGPOBOOK9910697642903321Service difficulty program (general aviation)3148582UNINA