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USNS Montford Point specifications

Oct 24, 2013 02:17 PM


Owner: U.S. Navy, Military Sealift Command
Operator: Ocean Shipholdings, Houston, Texas
Dimensions: L: 765’ 2”  B: 164’ D: 50’ 9”
Designer/Builder: General Dynamics Nassco, San Diego, Calif.
Mission: Mobile Landing Platform (floating base for at-sea vehicle/equipment transfers)
Crew size: 34

HULL
Steel monohull, double hull with bulbous bow

PERFORMANCE
Speed: 15 knots
Cruising range: 9,500 nm at 15 knots

PROPULSION
24MW diesel-electric plant
(4) MAN B&W L48/60 medium-speed, 4-stroke, 6-cylinders diesel (6,300 kW/8,448 hp each at 514 rpm)
(2) GE AC synchronous propulsion motors with Synchro Converters to vary speed (8-85 rpm); double-wound type (electrically independent) powered via thyristor bridge and transformer to achieve 12-pulse system. Rating: 10.0 MW (13,410 hp)
2MW azimuthing bow thruster
Cummins QSK50 emergency genset with Newage PM734C alternator rated at 1,000 kW, 480V at 1,800 rpm

CAPACITIES
Fuel: 912,700 gal.
Potable water: 116,800 gallons
JP-5 aviation fuel: 592,500 gallons
Vehicle stowage: 25,000 sq. ft.
Hotel services to support berthing modules with 3-MW of 60-Hz power
Space for (3) air-cushioned landing craft (LCACs) and support containers
Washdown capability for LCACs

BALLAST SYSTEMS
(42) seawater ballast tanks (9 aft, 31 mid, 2 bow)
(3) ballast water pumps rated at 12,548 gpm each
Bubbler-type tank-level indicators with redundancy

NAVIGATION/COMMUNICATIONS
Raytheon integrated bridge system with:
Support for electronic/digital chart formats
Adaptive-type steering control system
Differential GPS navigators
X-band and S-band radar/automatic radar plotting aids
Long-range ID/tracking system
Voyage data recorder
GMDSS including Inmarsat-C, MF/HF/VHF, radio telex and digital selective calling
UHF onboard comm. system

ADDITIONAL INFORMATION
Mission components suite: Vigor Marine
Accommodations: U.S. Joiner
Appleton Marine knuckle-boom crane (10 MT at 27M)

CLASSIFICATIONS
USCG: ACP; SOLAS; ABS (contemplated): +A1, Circle E, +AMS, +ACCU, +APS, MAN, NBLES, UWILD

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