Passaconaway (AN–86), The second ship to be so named by the Navy, authorized as YN-111, was laid down 15 April 1944 by Marine Iron and Shipbuilding Co., Duluth, Minnesota; launched 30 June 1944, sponsored by Miss Elizabeth Jayne Hughes; commissioned 27 April 1945.
Following shakedown, Passaconaway transited the Panama Canal and served with ServRon 4 during the later stages of World War II. She tended anti-submarine nets in the Admiralty Islands during the summer of 1945, then for the next 12 months was engaged throughout the Western Pacific Ocean in other operations common to her type. She laid channel buoys in the Caroline Islands, conducted salvage operations and set mooring buoys in the Mariana Islands, and assisted other ships in supplying Marcus Island and Iwo Jima. Following a brush with a typhoon in the spring of 1946, she was ordered to Pearl Harbor for repairs after which she returned to San Diego, California, where she decommissioned in December.
Passaconaway was transferred to the U.S. Maritime Administration in October 1962 as a part of the National Defense Reserve Fleet at Suisun Bay, California, until being transferred to MARAD National Defense Reserve Fleet, Suisun Bay, Benicia, California, in October 1970. Passaconaway was transferred to the Dominican Republic in September 1976 as patrol vessel Separación (P208)., the ship remained in active service with the Dominican Navy.