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NavSource Online: Service Ship Photo Archive

USS Maricopa (ATA-146)
USS ATA-146 (1946 - 1949)
USS ATR-90 (1943 - 1946)

International Radio Call Sign:
November - Golf - Alpha - Sierra
Awards, Citations and Campaign Ribbons

Precedence of awards is from left to right
American Campaign Medal - World War II Victory Medal

USS Maricopa was transferred to Argentina and renamed ARA Yamana (A6)
Maricopa Class Rescue Ocean Tug:
  • Laid down, 29 May 1942, as BAT-2 at Gulfport Boiler & Welding Works, Port Arthur, TX.
  • Reclassified Fleet Tug AT-146, 30 September 1942
  • Launched, 23 October 1942
  • Reclassified Rescue Ocean Tug ATR-90, 5 January 1943
  • Commissioned USS ATR-90, 20 January 1943, LCDR. Myron E. McFarland, USNR in command
  • Reclassified Auxiliary Fleet Tug ATA-146, 15 May 1944
  • Decommissioned, 10 July 1946
  • Transferred to the Maritime Commission, 17 October 1947
  • Transferred, 31 October 1947, under the Security Assistance Program to Argentina, renamed ARA Yamana (A6)
  • radeturned in 1947 to the US Navy
  • Named Maricopa (ATA-146), 16 July 1948
  • Struck from the Naval Register in 1984
  • Final Disposition, sunk by missile exercise in 1985
    Displacement 835 t.(lt)
    Length 143'
    Beam 33' 10"
    Draft 13' 2"
    Speed 13 kts.
    Complement 5 Officers, 40 Enlisted
    one 3"/50 single dual purpose gun mount
    four 20mm AA gun mounts
    Largest Boom Capacity 4 t.
    Ship's Service Generators
    two Diesel drive 30KW 120DC
    two Diesel drive 20KW 120DC
    Fuel Capacity Diesel 1,300 Bbls
    two GM 12-278A Diesel-electric engines
    single Fairbanks Morse main reduction gear
    single screw, 1,500shp

    Click On Image
    For Full Size Image
    Size Image Description Contributed
    USS ATR-90
    ATR-90 145k USS ATR-90, under way, 16 April 1944, location unknown.
    US National Archives, RG-19-LCM. Photo No. 19-N-60816, courtesy
    Robert Hurst
    ARA Yamana (A-6)
    ATA-146 31k Ex-USS Maricopa (ATA-146) in Argentine naval service as ARA Yamana (A-6) underway, date and location unknown. Armada Argentina
    ATR-90 56k ARA Yamana (A-6) under way, date and location unknown. Photo courtesy of Carlos Villa Robert Hurst

    USS ATR-90 / USS ATA-146 / USS Maricopa (ATA-146)
    history entry located at the US Naval History and Heritage Command
    Commanding Officers
    01LCDR. McFarland, Myron E., USNR20 January 1943 - 1943ATR-90
    02LT. Silvia Jr., Charles, H., USNR1943 - 1944ATR-90
    03LTjg. Price, William Chappell, USNR1944 - 9 August 1945ATR-90 / ATA-146
    04LT. Henry, William, USNR9 August 1945 - May 1946ATA-146
    05LTjg. Okerstrom, Walter Carl, USNMay 1946 - 10 July 1946ATA-146
    Courtesy Wolfgang Hechler

    Crew Contact And Reunion Information
    U.S. Navy Memorial Foundation - Navy Log

    Additional Resources and Web Sites of Interest
    National Association of Fleet Tug Sailors
    Back To The Navsource Photo Archives Main Page Back To The Service Ship Photo Index Back To The Rescue Ocean Tug (ATR) Photo Index Back To The Auxiliary Fleet Tug (ATA) Photo Index
    Comments, Suggestions, E-mail Webmaster.
    This page is created and maintained by Gary P. Priolo
    All pages copyright NavSource Naval History
    Last Updated 15 May 2020