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USNS Powhatan (T-ATF 166) on 5 October 1983.
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Class: POWHATAN (ATF 166)
Design: SAIP Project No. 744.75
Displacement (tons): 1,387 light, 2,000 full
Dimensions (feet): 226' oa, 204'wl x 42' x 15' max nav
Armament: none
Accommodations: 4 officers and 13 enlisted
Speed (kts.): 15
Propulsion (HP): 4,500
Machinery: Diesel electric, 2 screws

Construction:
ATFNameOrdBuilderKeelLaunchDeliv
166POWHATAN12 Sep 1975Marinette Marine30 Sep 197624 Jun 197815 Jun 1979
167NARRAGANSETT12 Sep 1975Marinette Marine5 May 197712 May 19799 Nov 1979
168CATAWBA12 Sep 1975Marinette Marine14 Dec 197722 Sep 197928 May 1980
169NAVAJO12 Sep 1975Marinette Marine14 Dec 197720 Dec 197913 Jun 1980
170MOHAWK27 Feb 1978Marinette Marine22 Mar 197917 May 198016 Oct 1980
171SIOUX27 Feb 1978Marinette Marine22 Mar 197915 Nov 198012 May 1981
172APACHE27 Feb 1978Marinette Marine22 Mar 197928 Mar 198130 Jul 1981

Disposition:
ATFNameTInact/CustStrikeDisposalFateMA Sale/Depart
166POWHATANT26 Feb 199925 Feb 200826 Feb 2008Trf--
167NARRAGANSETTT30 Sep 19995 Jun 200210 Feb 2009Small boat--
168CATAWBATIn service 2021--------
169NAVAJOTINACT1 Oct 2016DISPFATE--
170MOHAWKT16 Aug 200531 Aug 2015DISPFATE--
171SIOUXT30 Sep 202130 Sep 2021DISPFATE--
172APACHETIn service 2021--------

Class Notes:
Approved characteristics for a Fleet Ocean Tug (ATF), SCB Project No. 724.67, were promulgated on 7 May 1966 with a single change on 19 July 1966. One ATF was requested in FY 1967 but was deferred and no number was assigned. Approved characteristics for the FY 75 Fleet Tug (ATF), SAIP Project No. 740.75, were promulgated on 14 November 1973 without later changes. Approved characteristics for the FY 1975 Fleet Tug (ATF), Project No. 744.75, were promulgated on 28 December 1973 with a final change on 15 January 1981. [The difference between 740 and 744 is unresolved.] Construction of the first four delayed by strike at shipyard starting 1 May 1977. These economical ships were based on a commercial design and had no salvage or diving equipment.

Ship Notes:
ATFNameMANotes
166POWHATANFY 1975. Leased to commercial salvage firm Donjon Marine Co., Hillside, NJ, [which chartered her back to the USN.] Trf. to Turkey as INEBOLU (comm. Mar 2008).
167NARRAGANSETTFY 1975. Leased to Donjon Marine Co., Hillside, N.J.[, which chartered her back to the USN.] (Lease pending Nov 2000.) Transferred to NAVAIR (Commander Carrier Strike Group 4) for use as tow/service vessel 2 Aug 2002, reclassed as boat 10 Feb 2009, Navy hull registry no. 226NS7901.
168CATAWBAFY 1975. To MSC 28 May 1980, still in MSC service 2021.
169NAVAJOFY 1975. In layup at Pearl Harbor 2017.
170MOHAWKFY 1978. In layup at Phila 2017.
171SIOUXFY 1978. Out of MSC service 2021.
172APACHEFY 1978. Deliv. 23 Jul 1981 to MSC, in service 30 Jul 1981, still in MSC service 2021.

Page Notes:
Compiled: 2 Oct 2021
© Stephen S. Roberts, 2021
Sources: DB, Maroon, PHS, NVR