Svetlyak-class patrol boat

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A Svetlyak-class patrol boat in Russian Coast Guard service. Preview warning: Page using Template:Infobox ship image with unknown parameter "image_size"
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
Completed	44
Active	37
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 crew plus up to 14 passengers
Sensors and 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.