Frederick W. Jacoby, 76, a retired Air Force lieutenant colonel who later worked for George Washington University for 13 years before retiring in 1989 as manager of facilities engineering and maintenance activities, died Nov. 13 at Arlington Hospital of complications from pneumonia. He lived in McLean.

Col. Jacoby, a civil engineer in the Air Force from 1947 to 1971, was stationed his last two years at Barksdale Air Force Base in Louisiana.

He also spent time at various bases in the United States as well as in Paris and Bangkok.

After leaving the military, Col. Jacoby spent five years as project manager in airport development at the engineering firm of Howard, Needles, Tammen & Bergendoff in Alexandria.

Col. Jacoby, who was born in Easton, Pa., was a 1947 graduate of the U.S. Military Academy at West Point.

He received a master's degree in engineering administration from George Washington University.

Col. Jacoby also was a graduate of the Air Force Institute of Technology, the Air Command and Staff College, and the Air War College.

He was an elder of Lewinsville Presbyterian Church in McLean.

Survivors include his wife of 52 years, Ann Phelps Jacoby of McLean; a daughter, Martha Jacoby Krieger of Silver Spring; a son, Robert Phelps Jacoby of Centreville; a sister; and four grandchildren.