4 Victims IdentifiedSKOlll. lAP) - The U.S. Army today identified the four Americans killed in the crash Wednesday of an Army helicopter four miles south of the demilitarized zone.The Army gave these identifications:Capt. Der.nis H. Uyenoyama, 30, the pilot. His wife. Jayne, lives in Cotuit, Mass. His father, IX Col. llibekazu Uyenoyama, is in Vietnam with a medical detachment, and his mother lives at 23120th Ave., Sari Francisco.First U. Nicki Lee Sutera, 21, whose father, Louis Sutera, lives at -37 Northwest 102nd St., Miami, Fin., and whose mother. Mrs. Ruby E.B. Bacon, lives in Crystal River, Fla.Sfc. David I.ee Alvarez, 37, whose wife, Jennie, lives at 603Oirryer St., Santa Maria, Calif.Spec*. 4 Kurt James Schroed-er, 17, whose parents, Mr. and Mrs. Jack A. Sohroedcr, live at 1H75 Andelus Ave., l/)s Angeles. Calif.The helicopter crashed and burned on the Kiinpo peninsula about 20 miles northwest of Seoul while on a routine operational mission, the Army said. It said the crash was not due to North Korean fire and investigators were trying to determine the cause.