Donald C. Beelar, a retired senior partner in the Washington law firm of Kirkland, Ellis & Rowe, died of a heart attack on September 21 at his retirement home on Hilton Island, S.C. He was 74.

A former president of the Federal Communications Bar Association (1963-4) and an expert in that field, Mr. Beelar was also the author of numerous articles on the structure and function of administrative agencies.

An avid sailor and golfer, Mr. Beelar was a member of the American Bar Association's House of delegates (1960-64), and chairman of the ABA's Administrative Law section (1957-8). He was also a member of the President's Special Committee on Administrative Practice (1957-64).

Born on June 10, 1903, in Sandpoint, Idaho, Mr. Beelar received a B.A. degree from the University of Oregon in 1928, and an LL.B degree from George Washington University Law School in 1932. He joined Kirkland, Ellis & Rowe in 1933.

He served as a Colonel in the Army Air Force in (1942-46) and was awarded the Legion of Meris. Mr. Beelar was a life member of the Columbia Country Club, and the Army & Navy Club, both located in Washington. He belonged to the Sea Pines Plantation Club at Hilton Head, S.C.

He is survived by his wife, Pamela, of Hilton Head, two daughters, Barbara Beelar of Boston, and Betty-Coe De-Brokert of Salem, Ore., and two grandchildren.

The family requests that contributions be made to the Legal Aid Society of Washington.