Earl L. Allgaier, 71, an official of the American Automobile Association for 37 years who was active in church work, died Oct. 13 at Arlington Hospital after a heart attack.

He came to this area and began working for the AAA in 1936.At the time he retired; Mr. Allgaier was manager of the driver education division of the AAA's traffic and engineering safety department.

He also ran the Allgaier Shops in Arlington, where he manufactured and sold driver traning equipment that he invented and developed. These included an "auto-trainer," a color vision test, a device that tested brake reaction time, and dual control equipment for driver eduction cars. He retired from this business in the early 1970s.

Mr. Allgaier was active in the Church of Jesus Christ of Latter-day Saints. He helped build the Arlington Mormon Chapel and had done volunteer work at the Washington Mormon Temple since 1974.

He was born in Kankakee, Ill., but moved to Miller, S.D., at an early age. Mr. Allgaier earned a bachelor's degree at the South Dakota School of Mines and two master's degrees, one in highway engineering and the other in psychology and education, both at Iowa State University.

He is survived by his wife of 41 years, Ester Carlson Allgaier, of the home in Arlington; two sons, Dr. Geln, of LaMesa, Calif., and Dr. Wayne of Brunswick, Md.; a daughter, Mary Fedderson, of Salt Lake City; a sister, Evelyn Jones, of Miller, S.D., and 16 grandchildren.