Ugra-class submarine tender

	An Ugra-class ship in the 1960s
Class overview
Name	Ugra class (Project 1886)
Builders	Nikolayev Shipyard
Operators	Soviet Navy; Russian Navy; Indian Navy;
Preceded by	Don class
Subclasses	Borodino class; INS Amba;
Completed	10
Retired	10
General characteristics For Ugra class
Type	Submarine tender
Displacement	6,780 t (6,670 long tons) standard; 9,950 t (9,790 long tons) full load;
Length	145.0 m (475 ft 9 in)
Beam	17.7 m (58 ft 1 in)
Draught	6.4 m (21 ft 0 in)
Propulsion	2-shaft, 4 diesel engines, 6,000 kW (8,000 bhp)
Speed	17 knots (31 km/h; 20 mph)
Range	21,000 nmi (39,000 km; 24,000 mi) at 10 kn (19 km/h; 12 mph)
Complement	450
Sensors and ; processing systems	2 × Muff Cob fire control radar; 1 × Strut Curve air search radar; 1–3 × Don-2 navigation/surface search radar;
Electronic warfare ; & decoys	4 × Watch Dog EW
Armament	4 x twin 57 mm/80 anti-aircraft guns; 16 x Strela 2 surface-to-air missiles;
Aircraft carried	1 × Ka-25 "Hormone-C" helicopter
Aviation facilities	Helicopter pad

The Ugra class was the NATO reporting name for a group of seven submarine tenders built for the Soviet Navy in the late 1960s. The Soviet designation was Project 1886. One further ship was built for the Indian Navy to a modified design. The ships were intended to provide afloat support for Soviet submarines, including supplies, water, torpedoes, fuel, and battery charging; minimal repair facilities, and were often employed as flagships/command ships for submarine squadrons. A subclass, the Borodino class, of two ships were constructed for use as training ships and lacked missiles and the ability to support submarines. Instead, the Borodino class had classrooms and training facilities.

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