Robbie Gardner Biglin, 63, who retired as chief of the Civil Aeronautics Board's international rates and tariff section in 1971, died of cancer Saturday at Sibley Memorial Hospital.

Mrs. Biglin came to Washington and began her government career in 1940 with the Civil Service Commission. In 1944, she joined the Reconstruction Finance Corporation as a secretary, then worked for the old War Assets Administration from 1945 to 1949 before retiring as an assistant branch chief.

She worked for the National Production Authority from 1950 to 1958, where she became a specialist in airframe specifications. She joined the CAB as a rate analyst and was promoted to section chief in the mid-1960s.

She was a member of St. Jane Frances de Chantal Catholic Church in Bethesda.

Mrs. Biglin was a native of Center, Mo., attended Northeast Missouri Teachers College and also a business college in Quincy, Ill.

She was an administrative assistant with the International Harvester Corporation in Chicago before coming to the Washington area. She lived in Northern Virginia before moving to Bethesda in 1950.

Survivors include her husband, Donald J., of Bethesda; a son, Edward R., of Berkeley, Calif.; two daughters, Mary Beth Walsh of White Plains, N.Y., and Theresa Horton of Waldorf; a brother, F. A. Gardner of Ithaca, N.Y., and four grandchildren.