Svetlyak-class patrol boat

	A Svetlyak-class patrol boat in Russian Coast Guard service.
Class overview
Name	Svetlyak class
Builders	Vostochnaya Verf; Yaroslavsky Shipbuilding Plant; Almaz Shipbuilding Company;
Operators	Russian Navy; Russian Coast Guard; Vietnam People's Navy; Slovenian Navy;
Succeeded by	Rubin class
Subclasses	Project 10412
Built	1987–present
In commission	1988–present
Planned	51
Building	2
Completed	50
Active	33
Retired	16
General characteristics
Type	Fast patrol boat
Displacement	375 t (369 long tons; 413 short tons)
Length	49.2 m (161 ft 5 in)
Beam	9.2 m (30 ft 2 in)
Draft	2.63 m (8 ft 8 in)
Propulsion	3 x Zvezda ZE M520 diesel engines with 5,440 hp (4,060 kW) each 3 fixed pitch propellers, 1x200 kW DGFA-200/1500 diesel-generator, 2x100 kW DGFA-100/1500 diesel-generators
Speed	28–32 knots (52–59 km/h; 32–37 mph)
Range	1,500–1,600 nmi (2,800–3,000 km; 1,700–1,800 mi) at 13 knots (24 km/h; 15 mph)
Endurance	10 days
Crew	28
Sensors &; processing systems	MR-212/201-1 Vaygach-U or MR-212/201-03 Vaygach or Liman or MR-2PV Baltika-M or MR-231 or MR-415.4 Poisk navigation radar; MG-7 Braslet or MG-747 Amulet-3 anti-saboteur sonar; MG-349M Rosy-K sonar; Khrom IFF;
Electronic warfare; & decoys	Slyabing ECM complex
Armament	1 × AK-176M naval gun (152 rounds); 1 or 2 × AK-630M CIWSs; 1 × Igla-1M surface-to-air missiles (16 missiles); 2 × 14,5 mm gun carriages; 2 × MRG-1 or DP-64 grenade launchers; 2 × KL-101 or KT-216 launchers for PK-16 decoys;

The Svetlyak class, Russian designation Project 10410 Svetlyak, is a class of patrol boats designed and built in the Soviet Union and later in Russia, and currently being used primarily by the Russian Navy and Russian Coast Guard.