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NavSource Online: Mine Warfare Vessel Photo Archive

Nightingale (IX 177)
ex-Nightingale (AMc 149)

Nightingale call sign:
Nan - Easy - Sugar - Uncle


YP-150 call sign:
Nan - Uncle - Mike - Zebra

Nightingale Class Coastal Minesweeper:

  • Built in 1940 as Saint Francis by the Western Boat Building Co., Tacoma, WA
  • Acquired by the Navy 13 December 1941 and designated as a District Patrol Craft, YP-150
  • Converted to a Coastal Minesweeper, AMc-149, 21 December 1941
  • Named Nightingale 22 April 1942
  • Placed in service 21 May 1942 at Seattle, WA
  • Reclassified as an Unclassified Miscellaneous Auxiliary, IX-177, 10 July 1944 for use as a training ship
  • Placed out of service 3 December 1945
  • Struck from the Navy Register 7 February 1946
  • Transferred to the War Shipping Administration in April 1946 for disposal
  • Fate unknown.


  • Displacement 160 t.
  • Length 93'
  • Beam 24' 1"
  • Draft 9' 5"
  • Speed 11 kts.
  • Complement 17
  • Armament: Four machine guns
  • Propulsion: One 350shp Enterprise diesel engine, one shaft.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Nightingale 67k

    Nightingale - Any of several small European thrushes noted for sweet nocturnal song

    Tommy Trampp

    Dictionary of American Naval Fighting Ships History: The fourth Nightingale was built by Western Boat Building Co. Tacoma, Wash. in 1940 as Saint Francis, a woodenhulled, diesel-powered purse seiner. She was acquired by the Navy from her owner, Hubert Ursich, at Tacoma 13 December 1941. Designated YP-150, she performed district patrol duties in the Seattle area.

    YP-150 entered the Western Boat Building Co. yard at Tacoma 21 December for conversion to a coastal minesweeper. Renamed Nightingale 22 April 1942, she was placed in service as AMc-149 at Seattle 21 May. Redesignated IX-177 on 10 July 1944, after all the minesweeping equipment had been removed, she continued operations in the Puget Sound area. These included utility services with the Torpedo Training Program out of Whidbey Island Naval Air Station.

    She was placed out of service 3 December 1945 at the Puget Sound Naval Shipyard, Bremerton, Wash., struck from the Navy List 7 February 1946, and returned to the War Shipping Administration
    for disposal.

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