Air Mail PilotKilled In CrashHURON, Ohio July 22—(U.R)— Pilot William F. Martin, air mail flyer employed by the Thompson Aeronautical Corporation, was killed near here early today when his plane crashed) on the shore of Lake Erie.Martin vfas. flying the airmail {from Cleveland-to Ddfcroit and Pay City, Mich,. He had left Cleveland at 3 pf m; today.Cause of the accident had! notbeen determined* The plane ^vasfifsVfa-tal crash on the Thompson lines, operated as a mail and passenger service.Occupants of a farm house on whose ground the plane crashed heard a loud noise at 4:30 o’clock hut paid no* attention. Several hours later Mrs. George Beattie, who lives . on the farm, stepped from her door and saw the wreckage of the. plane-lyings in a field 50Q feet Trom the barn,Martin’s body was ' found entangled i-nh fth6;r^bc^^4}i?ntHjs mail wals safe. V 'jMartin's hoime was in Pontipc, Mich.