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NavSource Online: Service Ship Photo Archive
SS Green Mountain State (ACS-9)
Keystone State Class Crane Ship):
Laid down, 2 December 1963, as the breakbulk ship, SS Mormacaltair, a Maritime Administration type (C6-S-60a) hull, under Maritime Administration contract (MA 143) at Ingalls Shipbuilding Inc., Pascagoula, MS.
Launched, 20 August 1964
Delivered to the Moore-McCormack Lines, 26 March 1965
Renamed SS American Altair, date unknown
Reacquired by the Maritime Administration (MARAD) in 1987
Converted to a MARAD type hull (C6-S-MA60d) Crane Ship at National Steel and Shipbuilding Co., San Diego, CA.
Assigned by the Maritime Administration to the Ready Reserve Force, (RRF), under operation control of the Military Sealift Command (MSC)
Placed in service as SS Green Mountain State (ACS-9), 15 March 1992
Green Mountain State was berthed at Bremerton, WA. and assigned to Maritime Prepositioning Ship Squadron Three and was maintained in a five-day readiness status
Removed from MSC control, withdrawn from the RRF by reassignment to the National Defense Reserve Fleet, 28 July 2006
Displacement 11,714 t.(lt) 31,500 t.(fl)
Length 668' 6"
Beam 76' 1"
Draft 33' 5"
Speed 20.4 kts.
Cargo Capacity 300+ standard containers
Reserve operational status 10 civilian mariners
two General Electric turbines
single propeller, 19,250shp
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||Moore-McCormack Lines SS Mormacaltair underway in the Panama Canal in 1970.
||Richard Miller BMCS USNR Ret.
||Moore-McCormack Lines SS Mormacaltair underway, date and location unknown.
|SS Green Mountain State (ACS-9) MARAD RRF
||SS Green Mountain State (T-ACS-9) moored pierside in a shipyard, date and place unknown. Note APL-44 moored to starboard of Green Mountain State.
US Maritime Administration photo.
|MARAD web site
||SS Green Mountain State (ACS-9) underway, date and location unknown.
US Navy photo.
|MSC web site
||SS Green Mountain State (ACS-9) laid up in reserve in the National Defense Reserve Fleet, Suisun Bay Group, Benecia, CA., 24 July 2011.
Photo by Christopher Thomas Mason.
There is no DANFS history available for Green Mountain State (T-ACS-9) at NavSource
Additional Resources and Web Sites of Interest
US Navy Fact File - Auxiliary Crane Ships - ACS
Last Updated 2 March 2012
This page is created and maintained by Gary P. Priolo|