Ivan A. Humphrey, 60, a former Air Force radar communications expert and a specialist in air traffic control for the old Federal Aviation Agency, died of cancer Nov. 3 in Saratoga, Calif. hospital.

Mr. Humphrey enlisted in the Air Force in 1940. During World War II he served as a fighter pilot and also was assigned to radar communications in the South Pacific.

At the time of the historic Berlin airlift in 1948, Mr. Humphrey helped install radar equipment at Berlin airfields.

Mr. Humphrey moved to this area when he was assigned to the Air Research and Development Center at Andrews Air Force Base. He subsequently was assigned by the Air Force to the Federal Aviation Agency. During his 12 years with the Agency he was involved with research for air defense and military and civil air traffic control. He left the Agency in 1960 when he retired from military service as a lieutenant colonel.

After his retirement, he worked briefly for Tasker Instruments, manufacturers of air traffic control systems. He subsequently joined the corporate staff of Ford Aerospace and Communications Inc. here and in 1976 he transferred to the company's Palo Alto, Calif., offices.

Mr. Humphrey was born in Fleischmanns, N.Y., and attended St. LawMae Trewargy, of Long Island, N.Y. Camp SPrings, Md., for 17 years before moving to Saratoga.

Survivors include his wife, Laena, of the home; and two sisters, Betty Humphrey, of Fleischmanns, and Ida Mae Trewargy, of Lons Island, N.Y.