Retired Air Force Chief Master Sgt. Albert J. Conners, 51, a lobbyist for the Air Force Sergeants Association in Marlow Heights and the author of two handbooks for veterans' legislative groups, died Sunday at Physicians Memorial Hospital in La Plata, Md., after a heart attack. He lived in Bowie.

Sgt. Conners, who joined the association's staff in 1975 as deputy for state legislation, was credited with helping develop the organiztion's lobbying system throughout the country. He was a charter member of the American League of Lobbyists.

Born in Baltimore, he entered the Army Air Force at age 16 and later transferred to the Air Force. He did several tours as an administrative officer in South America. He was senior enlisted adviser at the Air Force Headquarters Command at Bolling Air Force Base here when he retired from active duty in 1975.

In 1962, Sgt. Conners was chosen as the command's outstanding airman of the year.

He was a member of Oxon Hill Post No. 248 of the American Legion.

Survivors include his wife, Idona, and two sons, Wayne and Troy, all of Bowie; two other sons, Albert J. Jr., of Glen Burnie, and Donald L., of Galesburg, Ill.; a daughter, Pamela Conners Rubin of Columbia, Md., and two half-brothers, Donald and Dennis Conners, both of Dundalk, Md.