John M. Chapman, 63, vice president for government relations at Bendix Aerospace Sector of the Allied Corporation, died April 25 of leukemia at Holy Cross Hospital.

Col. Chapman, a resident of Arlington, was an Air Force pilot who served 26 years in the military before retiring in 1968. During World War II his plane was shot down over Germany, and he spent a year as a prisoner of war before the war ended. He also flew combat missions in Korea and was awarded a Bronze Star, a Purple Heart, the Legion of Merit and the Distinguished Flying Cross.

He was born in Birmingham and attended the University of Alabama before joining the Army Air Forces in 1942.

After the Korean War, Col. Chapman was assigned to the Strategic Air Command where he commanded B-47 and B-52 squadrons before moving to the Washington area in 1962 upon his appointment as chief of Air Force liaison with the House of Representatives.

He joined Bendix in 1968 as director of congressional liaison.

Col. Chapman was a member of the Air Force Association, the Navy League and the Association of the United States Army. He was a trustee of the National Security Industrial Association and a member of the board of directors of the Washington chapter.

Survivors include his wife, Evelyn, of Arlington; a daughter, Sharon Louise Graham of Houston; a brother, Donald, of New Orleans, and a sister, Ruth Swedlaw of Birmingham.