MORNING, MARCH 22, 1946BROKEN PROPSAID CAUSEOF ACCIDENTCCrash of TransportInvestigated By BoardcrinBy ROBERT BEXNTHOFF United Press Staff CorrespondentA broken propeller blade which set up a vibration that caused the right wing of an army C-4? transport to break-off in'mid-air apparently was responsible for the violent deaths of 23 passengers and three crewmen Tuesday near Truckee. army officials disclosedyesterday.Lt. Col. Harry Willard, operations officer of Stockton army air base and now m charge of salvage operations, released an official version of the crash,Wreckage StudiedFrom study of wreckage strewn more than a rruie and one-half through a mountainside Cirri stmas tree grove 11 miles north of Truckee, investigating officers pieced together the probable events of Tuesday morning.One blade of one of the tranj-porfc's two three - blade propellers either split or broke off in flight, Col, Willard said, setting up a 4‘tremendous” vibration.The plane's pilot, Capt. Richard K. Young of Stockton, C3.1if., evidently tried to feather the propeller and stop the vibration, Willard said.T r- ml ITrtrtf UAfOrlovlt;haarlt;lieSOISt:challorto^wTno’Stctaopatwthoho3t£