Credit
USN · Public domain · Resized · Public domain · Source ↗ · Modified
FORCETALLY
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At a glance
Austin-class amphibious transport docklarger figure on 1 of 1
Bay-class landing shiplarger figure on 0 of 1
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
o/a
Single sourcew/l
Single sourceConfiguration
| Specification | Austin-class amphibious transport dock | Bay-class landing ship |
|---|---|---|
| Power | 2 × boilers, 2 × steam turbines, 2 × shafts, 24,000 shp (18,000 kW)[source] | 2 × Wärtsilä 8L26 generators, 6,000 hp (4.5 MW) 2 × Wärtsilä 12V26 generators, 9,000 hp (6.7 MW) 2 × azimuthing thrusters 1 × bow thruster[source] |
| Name | Austin class[source] | — |
| Builders | New York Naval Shipyard , Ingalls , Lockheed[source] | Swan Hunter and BAE Systems Naval Ships[source] |
| Operators | United States Navy Indian Navy[source] | Royal Fleet Auxiliary Royal Australian Navy |
548 ft (167 m) w/l 569 ft (173 m) o/a[source]
Length
Single source579.4 ft (176.6 m)[source]
(RFA, core only), 158 (RAN)
Single source70 (RFA, core only), 158 (RAN)[source]
officers, 396 enlisted, 900 marines
Single source24 officers, 396 enlisted, 900 marines[source]
at 15 kn (28 km/h; 17 mph)
Single source8,000 nmi (15,000 km; 9,200 mi) at 15 kn (28 km/h; 17 mph)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Preceded by | Raleigh class[source] | Round Table class[source] |
|---|
| Succeeded by | San Antonio class[source] | ATS-class amphibious warfare ship (planned)[source] |
|---|
| Cost | US$235–419 million per unit[source] | £ 596 million for 4 units £ 149 million per unit BAE ships cost £ 127 million per unit to build[source] |
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| In commission | 1965–2017 (U.S.)[source] | 13 July 2006-present[source] |
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| Planned | 13[source] | — |
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| Completed | 12[source] |
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| Canceled | — |
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| Active | 1 (with India )[source] |
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| Retired | 11[source] | — |
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| Type | Amphibious transport dock[source] | Landing ship dock[source] |
|---|
| Tonnage | 7,713 DWT[source] | — |
|---|
| Boats & landing craft carried | 1 × LCAC , or 1 × LCU & 3 × LCM-6 , or 4 × LCM-8 , or 9 × LCM-6 , or 24 × AAV[source] | 1 × LCU or 2 × LCVP in well deck 2 × Mexeflote powered rafts[source] |
|---|
| Armament | 2 × 25 mm Mk 38 guns 2 × Phalanx CIWS 8 × .50-calibre machine guns[source] | Fitted for: 2 × DS30B Mk 1 30 mm guns 2 × Phalanx CIWS 4 × 7.62mm Mk44 Miniguns (may be replaced by Browning .50 caliber heavy machine guns as of 2023) 6 × 7.62mm L7 GPMG Individual outfit varies across class[source] |
|---|
| Aircraft carried | Up to 6 CH-46 Sea Knight helicopters[source] | — |
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| Country of origin | 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 | — |
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| Built | — | 28 January 2002-26 November 2007[source] |
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| Capacity | — | 1,150 linear metres of vehicles (up to 24 Challenger 2 tanks or 150 light trucks) Cargo capacity of 200 tons ammunition or 24 TEU containers[source] |
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| Troops | — | 356 (standard), 700 (overload)[source] |
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| Aviation facilities | — | Flight deck for helicopters up to Chinook -size; temporary hangar can be fitted[source] |
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| Notes | — | Derivative of the Enforcer ship design[source] |
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