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.
The patrol boats of the class are designed to carry out a variety of missions, from patrol missions to prevent violations of maritime state border, to protect friendly vessels and facilities from enemy surface and air attacks. The patrol boats are constructed with a steel hull and aluminum superstructure. The boats have NBC warfare protection and can survive with two compartments flooded. The patrol boats engine room is coated with a vibration damping material.[1]