Roger Carroll King, 42, pilot of a helicopter that crashed Thursday near Harrisonburg, Va., killing its three occupants, was a retired pilot in the helicopter branch of the D.C. Metropolitan Police Department.

When the helicopter branch was established in 1970, Mr. King was one of 10 officers who attended helicopter training school and became pilots for the department. He retired last year.

He joined the department in 1958, after serving in the Air Force for four years. He was a foot patrolman and motorcycle officer in the traffic enforcement and VIP escort divisions before becoming a helicopter pilot.

Since his retirement, Mr. King had been a bookkeeper for the D.C. Police Credit Union and a part-time helicopter pilot for the Helicopter and Airplane Service Corp. in Gaithersburg.

Mr. King served two terms as an officer of the D.C. Police Association. Before his retirement, he compiled information for a history of the police department's helicopter branch.

He was born in Holland, Maine, and lived in Falls Church. He was a member of the Knights of Pythias, a former secretary of the Seven Corners Lions Club in Falls Church and a member of St. Anthony's Catholic Church in Falls Church. He was a Mason and a member of the Elmer Timberman Lodge No. 54 in Annandale.

Survivors include his wife, Dorothy, and two daughters, Marla Carole and Sydney Lynn, all of the home; his mother, Lucy M. Cameron, of Athol, Mass.; a brother, Fairfax police Capt. Carlton A., of Chantilly, and a sister, Jacqueline Blaser, of Athol, Mass.