USNS Powhatan (T-ATF 166) on 5 October 1983.
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Class: POWHATAN (ATF 166)
Design: SCB, MC/MA, Navy XX #
Displacement (tons): 1,387 light, 2,000 full
Dimensions (feet): 226' oa, 204'wl x 42' x 15' max nav
Original armament: 4-5"/38
Later armaments: (19xx) 4-20mm
Complement: 4 officers and 13 enlisted
Speed (kts.): ##.#
Propulsion (HP): #,###
Machinery: Diesel, 2 screws
Construction:
| ATF | Name | Ord | Builder | Keel | Launch | Deliv |
| 166 | POWHATAN | 12 Sep 1975 | Marinette Marine | 30 Sep 1976 | 24 Jun 1978 | 15 Jun 1979 |
| 167 | NARRAGANSETT | 12 Sep 1975 | Marinette Marine | 5 May 1977 | 12 May 1979 | 9 Nov 1979 |
| 168 | CATAWBA | 12 Sep 1975 | Marinette Marine | 14 Dec 1977 | 22 Sep 1979 | 28 May 1980 |
| 169 | NAVAJO | 12 Sep 1975 | Marinette Marine | 14 Dec 1977 | 20 Dec 1979 | 13 Jun 1980 |
| 170 | MOHAWK | 27 Feb 1978 | Marinette Marine | 22 Mar 1979 | 17 May 1980 | 16 Oct 1980 |
| 171 | SIOUX | 27 Feb 1978 | Marinette Marine | 22 Mar 1979 | 15 Nov 1980 | 12 May 1981 |
| 172 | APACHE | 27 Feb 1978 | Marinette Marine | 22 Mar 1979 | 28 Mar 1981 | 30 Jul 1981 |
Disposition:
| ATF | Name | T | Inact/Cust | Strike | Disposal | Fate | MA Sale/Depart |
| 166 | POWHATAN | T | 26 Feb 1999 | 25 Feb 2008 | 26 Feb 2008 | Trf | -- |
| 167 | NARRAGANSETT | T | 30 Sep 1999 | 5 Jun 2002 | 10 Feb 2009 | Small boat | -- |
| 168 | CATAWBA | T | INACT | STK | DISP | FATE | -- |
| 169 | NAVAJO | T | INACT | 1 Oct 2016 | DISP | FATE | -- |
| 170 | MOHAWK | T | 16 Aug 2005 | 31 Aug 2015 | DISP | FATE | -- |
| 171 | SIOUX | T | 30 Sep 2021 | 30 Sep 2021 | DISP | FATE | -- |
| 172 | APACHE | T | INACT | STK | DISP | FATE | -- |
Class Notes:
One ATF was requested in FY 1967 but was deferred. No number was assigned. Construction of first four delayed by strike at shipyard since 1 May 1977. Based on a commercial design, no salvage or diving equipment.
Ship Notes:
| ATF | Name | MA | Notes |
| 166 | POWHATAN | FY 1975. Leased to commercial salvage firm Donjon Marine Co., Hillside, N.J.[, which chartered her back to the USN.] Trf. to Turkey as INEBOLU (comm. Mar 2008). | |
| 167 | NARRAGANSETT | FY 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. | |
| 168 | CATAWBA | FY 1975. To MSC 28 May 1980. | |
| 169 | NAVAJO | FY 1975. In layup at Pearl Harbor 2017. | |
| 170 | MOHAWK | FY 1978. In layup at Phila 2017. | |
| 171 | SIOUX | FY 1978. | |
| 172 | APACHE | FY 1978. Deliv. 23 Jul 1981 to MSC, in service 30 Jul 1981. |
Page Notes:
Compiled: 2 Oct 2021
© Stephen S. Roberts, 2021
Sources: DB, Maroon, PHS, NVR