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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 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)
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)
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
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| USS ATR-90
||USS ATR-90, under way, 16 April 1944, location unknown.
US National Archives, RG-19-LCM. Photo No. 19-N-60816, courtesy Shipscribe.com.
| ARA Yamana (A-6)
||Ex-USS Maricopa (ATA-146) in Argentine naval service as ARA Yamana (A-6) underway, date and location unknown.
||ARA Yamana (A-6) under way, date and location unknown. Photo courtesy of Carlos Villa
USS ATR-90 / USS ATA-146 / USS Maricopa (ATA-146)
DANFS history entry located at the US Naval History and Heritage Command
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
Last Updated 20 November 2015
This page is created and maintained by Gary P. Priolo|