Uda-class oiler

	Sheksna on 1 June 1993
Class overview
Name	Project 577 (NATO: Uda Class)
Builders	Vyborg Shipyard
Operators	Soviet Navy; Russian Navy; Indonesian Navy;
Succeeded by	Olekma class
Built	1959–1967
In commission	1962–present
Completed	9
Active	5
Retired	4
General characteristics
Type	Replenishment oiler
Displacement	2,910 tons (standard load); 7,240 tons (full load);
Length	121.9 m (400 ft)
Beam	16 m (52 ft)
Draught	6.51 m (21.4 ft)
Propulsion	2 × 4500 hp 58D diesels; 2 x 300 kW diesel-generators; 3 x 100 kW diesel-generators; 1 x 25 kW diesel-generator;
Speed	17.7 kn (32.8 km/h; 20.4 mph)
Range	4,000 nmi (7,400 km; 4,600 mi)
Endurance	30 days
Capacity	3,600 tons
Complement	75
Sensors and ; processing systems	MR-302 Rubka (air/surface search radar); Neptune (navigation radar); MR-103 Bars (fire control system);
Armament	Project 577:; 2 x 4 57 mm ZIF-75 anti-air guns; Project 577E:; 3 x 2 25 mm 2M-3M anti-air guns;

The Uda class, Soviet designation Project 577, is a class of replenishment oiler built for the Soviet Navy between 1962 and 1967.

Class overview
Sheksna on 1 June 1993
Name	Project 577 (NATO: Uda Class)
Builders	Vyborg Shipyard
Operators	Soviet Navy Russian Navy Indonesian Navy
Succeeded by	Olekma class
Built	1959–1967
In commission	1962–present
Completed	9
Active	5
Retired	4
General characteristics
Type	Replenishment oiler
Displacement	2,910 tons (standard load) 7,240 tons (full load)^[1]
Length	121.9 m (400 ft)
Beam	16 m (52 ft)
Draught	6.51 m (21.4 ft)
Propulsion	2 × 4500 hp 58D diesels 2 x 300 kW diesel-generators 3 x 100 kW diesel-generators 1 x 25 kW diesel-generator
Speed	17.7 kn (32.8 km/h; 20.4 mph)
Range	4,000 nmi (7,400 km; 4,600 mi)
Endurance	30 days
Capacity	3,600 tons
Complement	75
Sensors and processing systems	MR-302 Rubka (air/surface search radar) Neptune (navigation radar) MR-103 Bars (fire control system)
Armament	Project 577: 2 x 4 57 mm ZIF-75 anti-air guns Project 577E: 3 x 2 25 mm 2M-3M anti-air guns