00707nam a22002292  4500001001300000003000500013005001700018008004100035040001800076086002200094099002200116245004900138260003100187300000700218500002300225500007000248500004400318650002500362710005300387949001800440999001900458hsl001007653DGPO20170826152603.0170119s1991    dcu     r    f000 0 eng d  aGPOcGPOdMvI0 aTD 4.8/5:27-1/991  aTD 4.8/5:27-1/99100aCertification of normal category rotorcraft.  a[Washington, D.C.,c1991].  av.  aADVISORY CIRCULAR.  aConsolidated reprint with changes 1 and 2 as of November 1, 1991.  aCRDP Program Historic Shelflist record. 0aRotors (Helicopters)1 aUnited States.bFederal Aviation Administration.  aBEVbFed Docs  c264849d264849