ORP Kaszub is a corvette

Corvette

A corvette is a small, maneuverable, lightly armed warship, originally smaller than a frigate and larger than a coastal patrol craft or fast attack craft , although many recent designs resemble frigates in size and role...

 of the Polish Navy

Polish Navy

The Marynarka Wojenna Rzeczypospolitej Polskiej - MW RP Polish Navy, is the branch of Republic of Poland Armed Forces responsible for naval operations...

, in service since 1987, the sole ship of the Project 620 class. She was the first ocean-going warship built in Poland. As of 2009 she is in active service.

The work on her design began in 1971, but the construction of the first ship started only in 1984. It entered service in 1987. Originally it was planned to build 7 ships of this class, but in the end only one was constructed.

Specifications

• Displacement: 1183 tons
• Length: 82,34 m
• Maximum speed: 26 knots
• Weapons:
  • 1 AK-176
    AK-176
    The AK-176 is a Soviet naval gun mounted in an enclosed turret, that may be used against sea, coastal, and aerial targets, including low flying anti-ship missiles. The system is designed to arm small displacement ships and comprises the Gun Mount with a MR-123-02/76 Fire Control Radar System...
    
     76 mm gun
  • 3 twin 23 mm anti-aircraft guns
  • 2 Strela 2
    Strela 2
    The 9K32 “Strela-2” is a man-portable, shoulder-fired, low-altitude surface-to-air missile system with a high explosive warhead and passive infrared homing guidance...
    
     launchers (short range SAM)
  • 2 RBU-6000
    RBU-6000
    The RBU-6000 Smerch-2 is a 213 mm caliber Soviet anti-submarine rocket launcher. It is similar in principle to the Royal Navy Hedgehog system used during the Second World War...
    
    anti-submarine rocket launchers
  • 2 twin 533 mm torpedo tubes