CIMARRON (AO 177) Class

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USNS Platte (AO 186) on date
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Class: CIMARRON (AO 177)
Design: SCB Project 739-yr
Displacement (tons): 11,645 light, 36,977 full
Dimensions (feet): 700' oa, 661' wl x 86' wl, 88' e x 32' max nav
Original armament: 4-5"/38
Later armaments: (19xx) 4-20mm
Complement: 12 officers and 148 enlisted
Speed (kts.): ##.#
Propulsion (HP): #,###
Machinery: turbine, 1 screw

Construction:

AO	Name	Ord	Builder	Keel	Launch	Comm
177	CIMARRON	9 Aug 1976	Avondale	18 May 1978	28 Apr 1979	10 Jan 1981
178	MONONGAHELA	9 Aug 1976	Avondale	15 Aug 1978	4 Aug 1979	5 Sep 1981
179	MERRIMACK	25 Jan 1977	Avondale	16 Jul 1979	17 May 1980	14 Nov 1981
180	WILLAMETTE	11 Apr 1978	Avondale	4 Aug 1980	18 Jul 1981	18 Dec 1982
186	PLATTE	11 Apr 1978	Avondale	2 Feb 1981	30 Jan 1982	16 Apr 1983

Disposition:

AO	Name	T	Decomm	Strike	Disposal	Fate	MA Sale/Depart
177	CIMARRON		15 Dec 1998	3 May 1999	28 Jul 2001	MA	7 Nov 2012/D
178	MONONGAHELA		30 Sep 1999	30 Sep 1999	29 Nov 2001	MA	30 Jan 2015
179	MERRIMACK		18 Dec 1998	18 Dec 1998	29 Nov 2001	MA	21 May 2013/D
180	WILLAMETTE		30 Apr 1999	30 Apr 1999	28 Jul 2001	MA	26 Nov 2013/D
186	PLATTE		30 Jun 1999	30 Jun 1999	29 Nov 2001	MA	4 Nov 2014/D

Class Notes:
All were jumboized and lengthened 117 feet at Avondale between March 1989 and September 1992.

Ship Notes:

AO	Name	MA	Notes
177	CIMARRON		FY 1976. Jumboized Jun 1990-Mar 1992. Entered SBRF 9 Feb 1999. Withdrawn 7 Nov 2012 under domestic sale.
178	MONONGAHELA		FY 1976. Jumboized Jan 1990-Oct 1991. Entered SBRF 22 Jun 1999. Withdrawn 13 Mar 2015 under domestic sale.
179	MERRIMACK		FY 1977. Jumboized Mar 1989-Dec 1990. Entered JRRF 21 Dec 1998. Withdrawn 21 May 2013 under domestic sale.
180	WILLAMETTE		FY 1978. Jumboized Oct 1989-Msy 1991. Withdrawn 26 Nov 2013 under domestic sale.
186	PLATTE		FY 1978. Jumboized Nov 1990-Sep 1992. Entered JRRF 14 Jul 1999. Withdrawn 4 Nov 2014 under domestic sale.