Boris Chilikin-class fleet oiler

Boris Chilikin-class replenishment oiler Dnestr underway
Class overview
Name	Boris Chilikin class
Builders	Baltic Shipyard, Saint Petersburg, Russia
Operators	Soviet Navy  Russian Navy  Ukrainian Navy
Planned	6
Completed	6
Active	3
Retired	3
General characteristics [1]
Type	Replenishment oiler
Displacement	6,950 tons (standard load) 22,460 tons (full load)
Length	162.3 m (532 ft)
Beam	21.4 m (70 ft)
Draught	9.0 m (29.5 ft)
Propulsion	1 Sulzer diesel 6DNRN-74/160, 1 shaft 9,600 bhp (7,159 kW)
Speed	16 knots (30 km/h)
Range	22,000 km (12,000 nmi) at 12 knots (22 km/h; 14 mph)[1] 19,000 km (10,000 nmi) at 16 knots (30 km/h; 18 mph)
Endurance	90 days[1]
Capacity	13,440 tons[1]
Complement	75-93[1]
Armament	2 × 57 mm AK-725 guns 2 × 30 mm AK-630 rotary cannons

The Boris Chilikin class, Soviet designation Project 1559V Morskoy prostor (Sea space), is a series of fleet replenishment oilers built in 1970s for the Soviet Navy and currently in service with the Russian Navy.