1. North Korea
  2. Ship
  3. 531 Najin [Kola Copy]

Basic Information

Category Surface Combatant Type FFG - Guided Missile Frigate
Year Commissioned 2015 Year Decommissioned 0
Nationality North Korea Hypothetical No
Beam 10 m Draft 2.7 m
Height 0 m Length 100 m
Crew 180 people Damage Points (DP) 270
Standard Displacement 1200 tons Full Displacement 1500 tons
Empty Displacement 0 tons

Sensor Parameters

Model Purpose Range Scan Interval Generation
Plank Shave [3Ts-25 Garpun-Bal] Radar, FCR, Surface-to-Surface w/ OTH 0.30 - 76.00 nm 5 sec Early 1990s
Generic Surface Search Radar Radar, Surface Search & Navigation 0.20 - 25.00 nm 4 sec Late 1960s
Pot Head [Reya] Radar, Surface Search, Short-Range 0.10 - 18.00 nm 10 sec Early 1950s
Slim Net [Fut-N] Radar, Air & Surface Search, 3D Medium-Range 0.20 - 80.00 nm 5 sec Late 1950s
Bass Tilt [MR-123 Vympal] Sensor Group
Group Components
# Component Type Purpose Range Scan Interval Generation
1 Bass Tilt [Radar] Radar Radar, FCR, Surface-to-Air, Short-Range 0.10 - 12.00 nm 1 sec Late 1970s
2 Bass Tilt [Laser Rangefinder] Laser Rangefinder Laser Rangefinder for Weapon Director 0.00 - 5.00 nm 0 sec Not Applicable (N/A)
3 Bass Tilt [TV Camera] Visual Visual, Weapon Director TV Camera 0.00 - 40.00 nm 10 sec Visual, 1st Generation TV Camera (1960s/1970s, TISEO)

Ship Capabilities Code

No Data

Signatures

Type Front Side Rear
Passive Sonar, VLF (0-1000 Hz, 200 Hz Center Frequency) 120 dB 121 dB 122 dB
Passive Sonar, LF (1-5 KHz, 3 KHz Center Frequency) 90.5 dB 91 dB 92 dB
Passive Sonar, MF (5-10 KHz, 7.5 KHz Center Frequency) 82.5 dB 83 dB 84 dB
Passive Sonar, HF (10-500 KHz, 20 KHz Center Frequency) 74 dB 75 dB 76 dB
Active Sonar, VLF-HF (0-500 KHz) 20 dB 100 dB 20 dB
Visual Detection Range 7.42 nm 12.61 nm 7.42 nm
Visual Classification Range 2.99 nm 5.31 nm 2.99 nm
Infrared Detection Range 7.81 nm 13.27 nm 7.81 nm
Infrared Classification Range 3.32 nm 5.9 nm 3.32 nm
Radar, A-D Band (30-2000 MHz) 24 dBsm (251.19 m²) 27.4 dBsm (549.54 m²) 24 dBsm (251.19 m²)
Radar, E-M Band (2-100 GHz) 24 dBsm (251.19 m²) 27.4 dBsm (549.54 m²) 24 dBsm (251.19 m²)

Default Configuration

Model Capacity Fire Interval Comments
SS-N-25 Switchblade Quad 4 3 sec -
25mm/80 Twin 20 1 sec -
100mm/56 Single 20 3 sec -
AK-630M 30mm/65 Gatling 5 8 sec 1979
57mm/70 Twin 60 1 sec -

Magazine Systems

Magazine Name Capacity Comments
25mm/80 Twin 400 4x Mounts
AK-630M 20 2x Mounts

Datalink

Type Model Range Channels
Radio HF Radio [Secure] 300 nm 10
Radio VHF Radio [Secure] 100 nm 0
Radio UHF Radio [Secure] 100 nm 0

Engines

Model Type Combined Type Engine Count Shafts Primary Engines Secondary Engines Hypothetical Comments
2x Diesels Diesel N/A 2 2 2 - No -

Aircraft Facilities

No Data