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Guided-Missile Corvettes / Guided-Missile Boats

 
 
 
     
 
 
 
 
Missile Boat R-370
Project 205ER / Osa II class
 

The Osa is a high speed missile boat of Soviet origin. It was developed in the early 1960's as a more capable alternative to the Komar class missile boat. The Osa is the world's most numerous missile boat. The official Soviet designation for this class is Project 205 Tsunami. The name Osa, which Russian for wasp, is the NATO designation. The improved Project 205U is known as Osa II. For foreign countries, boats of the project 205ER with simplified radio-technical equipment and for a hot climate were also built.

The Osa class is a major improvement over the Komar missile boats. The Osa class is four times larger, is based on a steel hull, features 4 instead of 2 missiles, has a much improved air and self defense capability and better sea going performance. The main armament of the Osa are the four P-15 (SS-N-2 Styx) anti-ship missiles. Air defense is provided by two AK-230 turrets with two 30mm autocannon. One turret is fitted forward and the other aft. The AK-230 turrets were unmanned, each armed with two 30 mm guns capable of firing 2000 rpm (400 practical) with a 2500 m practical range. For an increased air defense capability the manually aimed quad launcher for the infra red guided Strela (SA-N-5) surface to air missiles was added to some vessels, mostly the Osa II.

To keep the design simple the Osa has three diesel engines each connected to its own shaft. The power to weight ratio is high and results in a maximum speed of 39 knots. The Osa II has more powerful engines, slightly high maximum speed and a tube-shaped missile launchers for the improved P-15U missile. Although the sea going capability is better than the Komar the Osa is not a true ocean going ship and is mostly used in coastal waters.

The Osa was widely used by Soviet and Eastern European forces during the Cold War. It was also widely exported, mainly to Asia and the Middle East (over 400 were made in USSR, and another 120 in China). These missile boats saw action during the War of Attrition, Yom Kippur War, and Indo-Pakistani War of 1971, also used in the Iran-Iraq War.

Missile boat R-370 was built at the Vympel Shipyard, Rybinsk, commissioned 30 January 1976.

The missile boat was built by order of the Egyptian government, but was incorporated into the Soviet Navy. Was listed as missile boat of the 82nd division of training ships of the 194th coastal defense ship brigade, based on Poti. Then he was transferred to Novorossiysk.

30 July 1996, the missile boat was excluded from the lists of the fleet and scrapped.

Specifications
Displacement (tons):
Standard:

-

Full load:243
Dimensions (m):
Length:38,6
Beam:7,6
Draft:2,0
Speed (knots):42
Range:1620 nmi (15 knots)
Autonomy (days):5
Propulsion: 3x5000 hp M-504B diesels, 3 fixed pitch propellers
Armament:4x1 KT-67M anti-ship missiles launchers (4 P-15U (4K40U) missiles) – Klyon fire control system
2x2 30 mm AK-230 (2000 rounds) – MR-104 Rys fire control system
Electronics: Rangout surface radar
Complement:29 (4 officers)

 

 
       
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