USNS John Ericsson (T-AO-194)

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USNS John Ericsson (T-AO-194) in San Francisco Bay
Career (USA)
Name: USNS John Ericsson (T-AO-194)
Namesake: John Ericsson (1803-1889), a Swedish inventor and mechanical engineer primarily active in the United States
Awarded: 1 February 1986
Builder: Sun Shipbuilding & Drydock Company, Chester, Pennsylvania
Laid down: 15 March 1989
Launched: 21 April 1990
In service: 18 March 1991-present
Status: in active service, as of 2024
General characteristics
Class and type: Henry J. Kaiser-class oiler
Type: Fleet replenishment oiler
Tonnage: 31,200 long tons (31,700 t) deadweight
Displacement: 9,500 long tons (9,650 metric tons) light
Full load variously reported as 42,382 and 40,700 long tons (43,062 and 41,353 t)
Length: 677 ft (206 m)
Beam: 97 ft 5 in (29.69 m)
Draft: 35 ft (11 m) maximum
Installed power: 16,000 hp (11.9 MW) per shaft
34,442 hp (25.7 MW) total sustained
Propulsion: Two medium-speed Colt-Pielstick PC4-2/2 10V-570 diesel engines, two shafts, controllable-pitch propellers
Speed: 20 knots (37 km/h)
Capacity: 178,000 to 180,000 barrels (28,300 to 29,000 m3) of fuel oil and jet fuel
7,400 square feet dry cargo space; eight 20-foot refrigerated containers with room for 128 pallets
Complement: 103 (18 civilian officers, 1 U.S. Navy officer, 64 merchant seamen, 20 U.S. Navy enlisted personnel)
Armament: Peacetime: none
Wartime: probably 2 x 20-mm Phalanx CIWS
Aircraft carried: None
Aviation facilities: Helicopter landing platform
Notes: Five refueling stations
Two dry cargo transfer rigs

USNS John Ericsson (T-AO-194) is a Henry J. Kaiser-class underway replenishment oiler operated by the Military Sealift Command to support ships of the United States Navy.

Construction and delivery

John Ericsson, the eighth ship of the Henry J. Kaiser class, was laid down at Sun Shipbuilding and Drydock Company at Chester, Pennsylvania, on 15 March 1989 and launched on 21 April 1990. She entered non-commissioned U.S. Navy service under the control of the Military Sealift Command with a primarily civilian crew on 18 March 1991.

Service history

John Ericsson serves in the United States Pacific Fleet.



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