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BAmphibious assault ships
At a glance
Hyūga-class helicopter destroyerlarger figure on 2 of 2
Italian ship San Giustolarger figure on 0 of 2
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
Length
Single source197 m (646 ft)[source]
Length
Single sourceConfiguration
| Specification | Hyūga-class helicopter destroyer | Italian ship San Giusto |
|---|---|---|
| Displacement | 13,950 tons standard; 19,000 tons full load[source] | 7,650-8,300 tons[source] |
| Power | COGAG , 4 Ishikawajima Harima/ General Electric LM2500-30 gas turbines Two shafts 5-bladed CP props 100,000 shaft horsepower (75 MW)[source] | 2 × Grandi Motori Trieste GMT A 420.12 diesel engines (12.426 kW)[source] |
| Name | Hyūga class[source] | San Giusto[source] |
| Builders | IHI Marine United[source] |
133 m (436 ft)[source]
at 16 knots (30 km/h; 18 mph)
Single source7,500 nautical miles (13,900 km; 8,600 mi) at 16 knots (30 km/h; 18 mph)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| — |
| Operators | Japan Maritime Self-Defense Force[source] | — |
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| Preceded by | Shirane class[source] | — |
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| Succeeded by | Izumo class[source] | — |
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| Built | 2006–2011[source] | — |
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| In commission | 2009–present[source] | — |
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| Completed | — |
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| Active | — |
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| Type | ASW carrier[source] | — |
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| Sensors & processing systems | ATECS (advanced technology command system) OYQ-10 advanced combat direction system FCS-3 AAW system OQQ-21 ASW system NOLQ-3C EW system OPS-20C surface search radar[source] | - SMA MM/SPQ 702 search radar - GEM Elettronica SPN-748 navigation radar - Selex ES RTN-10X fire control radar[source] |
|---|
| Armament | 16 cells Mk 41 VLS 16 ESSM 12 RUM-139 VL ASROC 2 × 20 mm Phalanx CIWS 2 × triple 324 mm torpedo tubes 12.7mm MG[source] | 1 × OTO Melara 76/62 mm Compatto gun 2 × OTO Melara KBA 25/80 mm guns.[source] |
|---|
| Aircraft carried | 3 × SH-60K , 1 × MCH-101 18 aircraft maximum[source] | 3 × AW-101 or 5 × Agusta Bell AB-212 helicopters[source] |
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| Aviation facilities | Flight deck and enclosed hangar[source] | Flight deck with three landing spots Helicopter lifts Vehicle deck[source] |
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| Role | class of helicopter carrier[source] | — |
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| Source measurement | Globalsecurity.org suggests a maximum capacity of 18-24 H-60 class helicopters, or a smaller number of larger helicopters, even though the official complement was reported as three Mitsubishi H-60 and one AgustaWestland AW101 helicopters, or three Mitsubishi H-60 and one Sikorsky CH-53 Sea Stallion helicopters. The ships have also operated JGSDF Fuji AH-64D Apache attack helicopters during joint amphibious exercises with the United States. It is speculated that future modifications may allow the operation of VTOL / STOVL fixed-wing aircraft , such as Harriers or F-35 Lightning II .[source]Hyūga-class helicopter destroyer · Design and specifications; only the objects and conditions stated in this passage In November 2009, Hyūga participated in "Annualex 21G" joint naval exercise with the US aircraft carrier USS George Washington and other USN and JMSDF ships to maintain the interoperability between the two navies.[source]Hyūga-class helicopter destroyer · Ships in the class; only the objects and conditions stated in this passage | — |
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| Country of origin | Japan[source] Japan[source] | — |
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| Namesake | — | St. Justus[source] |
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| Builder | — | Fincantieri-Cantieri Navali SpA , Riva Trigoso[source] |
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| Laid down | — | 19 August 1991[source] |
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| Launched | — | 2 December 1993[source] |
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| Commissioned | — | 14 April 1994[source] |
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| Home port | — | Brindisi[source] |
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| Motto | — | Coragio no manca co' semo nel giusto[source] |
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| Status | — | Active[source] |
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| Notes | — | Pennant number L 9894[source] |
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| Class & type | — | San Giorgio -class amphibious transport dock[source] |
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| Boats & landing craft carried | — | Three LCM , three LCVP and a patrol craft[source] |
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| Capacity | — | 350 men with 30 medium tanks or 36 tracked armoured vehicles[source] |
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| Electronic warfare & decoys | — | Elettronica SpA INS-3 ECM/ESM suite[source] |
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| Landing craft carried | — | Three LCM , three LCVP and a patrol craft[source]Source-stated capacity; all configurations and qualifiers retained |
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| Troop capacity | — | 350 men with 30 medium tanks or 36 tracked armoured vehicles[source]Source-stated capacity; all configurations and qualifiers retained |
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