Masato Nitta, 89, of Aiea, a retired Pearl Harbor Naval Shipyard civil service worker, died in Honolulu. He was born in Honolulu. He is survived by wife Judith; sons Alan and Garry; brothers Kenneth, George and Thomas; sister Ichio Koga and Alice Asato; and two grandchildren. Visitation: 10:30 a.m. Tuesday at Diamond Head Mortuary. Services: 11 a.m. Burial: 2 p.m. at National Memorial Cemetery of the Pacific, Punchbowl. Casual attire.