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P70 HS Grigoropoulos along side in Sitia Crete | by brianshipman18
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P70 HS Grigoropoulos along side in Sitia Crete

HS Grigororopoulos is a Roussen class 7-strong class of British-designed Fast Attack Craft for the Hellenic Navy.

The class is named after its lead ship, which in turn is named after Lt Nikolaos Roussen, a World War II submarines officer who was killed in the suppression of the Navy mutiny in April 1944.

The modernization program of the Hellenic Navy in the late '90s included the construction of three modern missile boats and was signed on January, 2000. The construction took place at the Elefsis Shipyards, while Vosper Thornycroft (now BAE Systems Surface Ships) provide the necessary design, logistical support and equipment for the ships. On August, 2003 and September, 2008 options that provided the acquisition of four more vessels were activated with the last ship to be commissioned in 2013.

The plans of the Roussen Class missile boats are based on smaller Vita class boats serving in the navies of Qatar, as well as similar size vessels built for Oman and other countries. The hull is made of steel and the superstructure is made of aluminum, while the company Vosper Thornycroft (now BAE Systems Surface Ships) provides the electricity transmission system, the management board, electrical equipment and systems countermeasures.

The main armament of the ships are eight Exocet MM40 Block II/III anti-ship missiles with a range of 180 km. They are complemented by an Otobreda 76 mm naval gun in the bow and two smaller 30mm cannons as secondary weapons. located on the ships' superstructure. The vessel's primary anti-air and anti-missile weapon is the RIM-116 RAM missile system which comprises an onboard Mk-49 launcher with 21 missiles, as well as the DR300 and AR900 electronic support measures systems and the SRBOC decoy launcher.

The sensor suite responsible for the timely identification and homing of surface and air targets includes the MW08 3D G-band surveillance radar, the Mirador electro-optical target tracker and the Scout MkII low probability of intercept radar which is being controlled by the TACTICOS combat management system.


Type: FACM

Displacement: 580 tons

Length: 62 m

Beam: 9.5 m

Draught: 2.6 m

Propulsion: 4 × MTU 16V595 TE90 diesel engines 23,500 hp

Speed: 35 knots (65 km/h; 40 mph)

Complement: 45

Sensors and

processing systems:

Thales MW08 3D G-band surveillance radar

Thales Mirador electro-optical target tracker

Thales Scout MkII low probability of intercept radar

Sperry Marine Bridgemaster-E navigation radar

Tacticos combat management system

Aeromaritime IFF Mk12

ICS 2000 integrated communications system

Electronic warfare

& decoys:

DR 3000 ESM system

Argo AR 700 ESM system

1 SRBOC decoy launcher

Armament: 1 x OTO Melara 76 mm/62 cal.

8 MM40 Block 3 anti-ship missiles

Mk31 21-cell launcher of RAM Block 1 surface-to-air missiles

2 x Oto Melara 30mm cannons

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Uploaded on July 4, 2016