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Auxiliary Ships


Replenishment Oiler Koyda
Project 577 / Uda Class

The Uda class is a series of fleet replenishment oilers built in 1960s for the Soviet Navy and currently in service with the Russian Navy. A replenishment oiler or replenishment tanker is a naval auxiliary ship with fuel tanks and dry cargo holds which can supply both fuel and dry stores during underway replenishment at sea. As the Soviet Navy began to more regularly operate in large areas of the world's oceans and because of the emergence of the large ocean warships, demand for large surface supply ships increased. Built in Vyborg, these 8 oilers served on all four fleets of the USSR Navy: 1 on the Black Sea Fleet, 1 on the Pacific Fleet, 4 on the Baltic Fleet and 2 on the Northtern Fleet.

The maximum length of the ship is 122 m, the maximum width16 m and draft 6,5 m. When in standard load, the ship has displacement about 2,910 tons and 7,240 tons while fully loaded. Endurance of the ships is 30 days during which they can travel the distance about 4,000 nm. The oilers of this class are equipped with a device for the transfer of goods in move by the traverse method. This allows carrying out cargo operations during significant sea waves. They are also capable of refueling over the stern. Initially, the ships were supposed to be armed with two four-barreled 57-mm ZIF-75 cannons with the MR-103 Bars fire control system, but in reality this protective weapon was not installed.

Replenishment Oiler Koyda laid down 15 Decemder 1964 at the Shipyard No.870, Vyborg (yard No.757), launched 26 May 1966, commissioned 28 July 1966 and was assigned to the Black Sea Fleet.

Now in service.

Displacement (tons):
Standard: 2910
Full load: 7240
Dimensions (m):
Length: 121,9
Beam: 16
Draft: 6,51
Speed (knots): 17,7
Range: 4000 nmi (15 knots)
Autonomy (days): 30
Propulsion: 2x4500 hp 58D diesels, 2 fixed pitch propellers, 2x300 kW diesel generators, 3x100 kW diesel generators, 1x25 kW diesel generator
Armament: 2x4 57 mm ZIF-75 2 MR-103 Bars Fire control system then removed
Electronics: MR-302 Rubka air/surface search radar, Neptunenavigation radar
Capacity (tons): 3600
Complement: 75


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