KRI Prabu Siliwangi

KRI Prabu Siliwangi at its renaming ceremony, 29 January 2025
History
Italy
Name	Ruggiero di Lauria
Namesake	Roger of Lauria
Ordered	2014
Builder	Fincantieri, Muggiano
Cost	€500 million per unit
Laid down	7 April 2021
Launched	10 October 2023
Identification	Pennant number: P435
Fate	Sold to Indonesia
Indonesia
Name	Prabu Siliwangi
Namesake	King Siliwangi
Christened	29 January 2025
Acquired	28 March 2024
Commissioned	December 2025
Identification	Pennant number: 321
Status	Fitting out
General characteristics
Class & type	Thaon di Revel-class offshore patrol vessel
Displacement	light displacement: 4,994  t (4,915 long tons) full displacement: 6,270 t (6,170 long tons)
Length	143 m (469 ft 2 in) LOA 133 m (436 ft 4 in) LPP
Beam	16.5 m (54 ft 2 in)
Draught	10.5 m (34 ft 5 in)
Depth	5 m (16 ft 5 in)
Propulsion	CODAG CC scheme 1 × TAG General Electric/Avio LM2500+G4, 32,000 kW (43,000 hp) 2 × diesel engines MTU 20V 8000 M91L, 10,000 kW (13,000 hp) each 4 x diesel engine generators MAN GenSets 12V175D-MEM 1,640 kW (2,200 hp) 2 × electric engines, 1,350 kW (1,810 hp) each (reversible) 2 x diesel engine emergency generators 1 × thruster, 550 kW (740 hp) 2 × shafts, driving controllable pitch propellers
Speed	27 knots (50 km/h; 31 mph) only on TAG 25 knots (46 km/h; 29 mph) only on 2 main diesel engines 18 knots (33 km/h; 21 mph) only on 1 main diesel engine 10 knots (19 km/h; 12 mph) on electric-diesel engine
Range	5,000  nmi (9,300 km; 5,800 mi) at 15 knots (28 km/h; 17 mph)
Complement	173 beds (+ 30 on modular rear zone)
Crew	90 (add 24 crew for two helos on board and other 89/59 beds for optional boarding team, marines team, maritime command staff, etc.)
Sensors & processing systems	Leonardo-Finmeccanica naval cockpit Leonardo-Finmeccanica SADOC Mk4 CMS (Command Management System) with 28 MFC Leonardo-Finmeccanica SAAM-ESD, AAW system 1 x Leonardo-Finmeccanica LPI air and ground surveillance radar (SPS-732) 2 x Leonardo-Finmeccanica navigation radar, X/Ka dual band radar 1 x Leonardo-Finmeccanica static IRST (InfraRed Search and Track) 1 x Leonardo-Finmeccanica next generation IFF sensors (Identification Friend & Foe) with circular antenna 1 x Leonardo-Finmeccanica Diver Detection Sonar 1 x Leonardo-Finmeccanica Fire Control System, ADT NG NA30S Mk2 1 x dual-band SATCOM antenna 1 x tri-band SATCOM antenna 1 x SAT-TV antenna 1 x Leonardo-Finmeccanica AESA C-band radar 1 x Leonardo-Finmeccanica ATAS (Active Towed Array Sonar), VDS sonar RESM (Radar Electronic Support Counter-Measure) RECM (Radar Electronic Counter-Measure) CESM (Communication ESM) 2 x Oto Melara ODLS-20 decoy launchers
Armament	1 × Oto Melara 127 mm/64 Vulcano with Automated Ammunition Handling System (AAHS) 1 × Oto Melara 76 mm/62 Strales Sovraponte anti-aircraft gun 2 × Oto Melara Oerlikon KBA B06, remote mounting 2 x 8-cell DCNS SYLVER A70 VLS for 16 Aster 15, 30 or 30B1NT or Scalp Naval
Aircraft carried	1 × AW101 helicopter, or 2 × AS565 Panther helicopters
Aviation facilities	double hangar flight deck 25.5 m × 16.5 m (83 ft 8 in × 54 ft 2 in)

KRI Prabu Siliwangi (321) is a Thaon di Revel-class offshore patrol vessels to be operated by the Indonesian Navy. The vessel was originally constructed as Ruggiero di Lauria (P435), the sixth ship of the class built for the Italian Navy.

Construction and career

The construction was started with the first steel cutting ceremony on 7 April 2021 at Fincantieri Muggiano. ^[1] Ruggiero di Lauria was launched on 10 October 2023. ^[2]

Ruggiero di Lauria is one of the two Thaon di Revel-class vessels sold to the Indonesian Navy in a 1.18 billion Euro contract, which was signed on 28 March 2024. ^[3] According to Janes , Indonesia has secured a 1.25 billion US dollar funding from several European financial institutions for the acquisition of the two vessels, with the funding facility signed in late 2024. ^[4]

The ship was renamed as KRI Prabu Siliwangi (321) on 29 January 2025 at a ceremony in Muggiano shipyard. ^[5] Prabu Siliwangi was planned to arrive in Indonesia by December 2025. ^[6]

References

1. "PPA6 First Steel Cutting Ceremony". OCCAR.int. 7 April 2021. Retrieved 20 December 2024.
2. Bahtić, Fatima (10 October 2023). "Fincantieri launches sixth PPA offshore patrol ship for Italian Navy". navaltoday.com. Retrieved 20 December 2024.
3. Peruzzi, Luca (5 April 2024). "New Details on Fincantieri's 'PPA frigates' programme for Indonesia". Naval News. Retrieved 20 December 2024.
4. Rahmat, Ridzwan (4 November 2024). "Indonesia secures facility to fund acquisition of Italian PPAs" . Janes.com. Retrieved 20 December 2024.
5. "Renaming Ceremony of two PPA Vessels for the Indonesian Navy". Naval News. 29 January 2025. Retrieved 29 January 2025.
6. "Indonesia To Receive First Fincantieri PPA In September". Asian Defence Journal. 13 June 2025. Retrieved 1 July 2025.

External links

Media related to KRI Prabu Siliwangi (321) at Wikimedia Commons

• Pattugliatori Polivalenti di Altura Marina Militare website