Ret. Navy Lt. Cdr. John R. Rader, 67, a Navy transport pilot who was a veteran of the Korean conflict and a former Washington area resident, died Friday at a hospital in Brandon, Fla., after a stroke. He lived in Sun City Center, Fla.

Lt. Cdr. Rader was a native of Oakland, Calif., and moved to the Washington area in 1961. He lived in Laurel before moving to Sun City Center in 1978.

He entered the Navy in 1930 and received his commission in 1943. He served in this country during World War II and later took part in the Berlin Airlift of 1948. He retired in 1961.

Lt. Cdr. Rader was a member of the Silver Eagles Association, the Association of Naval Aviation, Naval Air Transport Squadrons, Inc., and the Retired Officers Association.

His marriage to Virginia Rader ended in divorce.

Survivors include his wife of 23 years, Mary E. Rader, a retired lieutenant commander in the Navy Nurse Corps, of Sun City Center; a son by his first marriage, John R. Jr. of Irvine, Calif.; two daughters by his first marriage, Gay Brambir of Bel Air, Md., and Dawn Ortega of Honolulu; two sisters, Gail Foulger of Bethel Island, Calif., and Zella Cox of Egg Harbor City, N.J., and six grandchildren.