Credit
USN · Public domain · Resized · Public domain · Source ↗ · Modified
FORCETALLY
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At a glance
Measured figures
o/a
Single sourcew/l
Single sourceConfiguration
| Specification | Austin-class amphibious transport dock | San Antonio-class amphibious transport dock |
|---|---|---|
| Power | 2 × boilers, 2 × steam turbines, 2 × shafts, 24,000 shp (18,000 kW)[source] | Four sequentially turbocharged marine Colt-Pielstick diesel engines , two shafts, 41,600 shp[source] |
| Name | Austin class[source] | — |
| Builders | New York Naval Shipyard , Ingalls , Lockheed[source] | Avondale Shipyard (before 2014) Ingalls Shipbuilding (after 2014)[source] |
| Operators | United States Navy Indian Navy[source] |
548 ft (167 m) w/l 569 ft (173 m) o/a[source]
Length
Single source684 ft (208 m)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
United States Navy[source] |
| Preceded by | Raleigh class[source] | Austin -class amphibious transport dock Newport -class tank landing ship Charleston -class amphibious cargo ship Whidbey Island -class dock landing ship[source] |
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| Succeeded by | San Antonio class[source] | — |
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| Cost | US$235–419 million per unit[source] | $1.602 billion (avg. for class, FY2012) $2.021 billion (last ship, FY2012)[source] |
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| In commission | 1965–2017 (U.S.)[source] | 2006–present[source] |
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| Planned | 13[source] | 26 (13 for Flight I and 13 for Flight II)[source] |
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| Completed | 12[source] | 13[source] |
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| Canceled | — |
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| Active | 1 (with India )[source] | 13[source] |
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| Retired | 11[source] | — |
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| Type | Amphibious transport dock[source] | Amphibious transport dock[source] |
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| Tonnage | 7,713 DWT[source] | — |
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| Boats & landing craft carried | 1 × LCAC , or 1 × LCU & 3 × LCM-6 , or 4 × LCM-8 , or 9 × LCM-6 , or 24 × AAV[source] | 2 × LCACs (air cushion) or 1 × LCU (conventional); and 14 × Amphibious Assault Vehicles[source] |
|---|
| Armament | 2 × 25 mm Mk 38 guns 2 × Phalanx CIWS 8 × .50-calibre machine guns[source] | 2 × Bushmaster II close-in-guns 2 × RIM-116 Rolling Airframe Missile launchers 2 × 8 cell Mark 41 Vertical Launching System for quad-packed ESSMs (not fitted) Several twin M2 Browning machine gun turrets[source] |
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| Aircraft carried | Up to 6 CH-46 Sea Knight helicopters[source] | Launch or land up to two MV-22 Osprey tilt-rotor aircraft simultaneously with room to place four MV-22s on the flight deck and one in the hangar deck[source] |
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| Country of origin | United States[source] United States[source] | United States[source] United States[source] |
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| Landing craft carried | 1 × LCAC , or 1 × LCU & 3 × LCM-6 , or 4 × LCM-8 , or 9 × LCM-6 , or 24 × AAV[source]Source-stated capacity; all configurations and qualifiers retained | 2 × LCACs (air cushion) or 1 × LCU (conventional); and 14 × Amphibious Assault Vehicles[source]Source-stated capacity; all configurations and qualifiers retained |
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| Built | — | 2000–present[source] |
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| On order | — |
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| Building | — |
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| Sensors & processing systems | — | AN/SPS-48 G, AN/SPQ-9 B[source] |
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| Electronic warfare & decoys | — | AN/SLQ-32[source] |
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| Troop capacity | — | Landing force: 66 officers, and 633 enlisted troops[source]Embarked landing force; officers and enlisted troops retained separately, no computed total |
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