PN-VK is a guidance unit for BARYER-VK ship guided missile system intended for target search and tracking, and provides the information control field for structured laser beam missile riding through the use of the TV-orientation at distances from 50 to 6000 m.

Detection (recognition) range of the narrow-field television aiming channel of a typical 2.5 m×2.5 m target in daylight and under meteorological visibility distance not less than 25 km:

under terrain ambient lighting from 100 to 104 lux and

min. 0.5, km target to background contrast, not less than 10 (4)

under terrain ambient lighting not less than 0.5 lux,

km, not less than 2.5 (1.7)