Helen D. Huber, 84, a longtime resident of Chevy Chase who was active in service organizations, died Monday in the home of a son in St. Petersburg, Fla., where she was visiting. Mrs. Huber had a heart ailment.

She came to Chevy Chase in 1942 where she became active in the Planned Parenthood Association and the YWCA. She was a member of the Chevy Chase Presbyterian Church.

Mrs. Huber was born in Richmond County, Ill., and reared in Indiana. She was a graduate of Indiana State University and taught home economics in Indiana high schools for several years.

She came to Washington for a time during World War I and worked for the Quartermaster Corps of the War Department. During World War II, she was a volunteer civilian aircraft spotter for the Army.

Mrs. Huber also had lived for some time in Central America before coming to Chevy Chase. She and her husband of 57 years Godfrey J. Huber, moved to Silver Spirng in 1970.

In addition to her husband, she is survived by three sons, retired Navy Cmdr. G. S. Huber of St. Petersburg, Charles H., of Vienna, and Robert D., of Glen Echo Heights, two daughters, Patricia Laymon of Springfield, Ill., and Julie Becker of Menlo Park, Calif.; 15 grandchildren, and five great-grandchildren.