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Chi Yang vs Najin

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Specifications
Chi Yang Najin
Origin 🇺🇸 United States 🇰🇵 North Korea
Category Frigate Frigate
Type Frigate Frigate
Manufacturer Todd Shipyard Najin Shipyard
Year introduced 1969 1973
Number built 46 units 4 units
Estimated unit price NA NA
Displacement 4,130 tons 1,600 tons
Maximum speed 27.0 knots 26.0 knots
Range 4,500 nm at 20 knots 4,000 nm at 14 knots
Length 134.0 m 100.0 m
Beam 14.3 m 10.0 m
Crew 257 180
Performance Radar Chart
Armament & Systems
Chi Yang Najin
Armament
  • 1 × 5 in (127 mm)/54 caliber Mark 42 gun
  • 1 × Mk-16 8–cell ASROC launcher
  • 2 × dual Mark 32 Mark 46 torpedo launchers
  • 1 × Mk-25 8–cell RIM-7 Sea Sparrow (BPDMS)
  • 1 × Mk-29 8–cell RIM-7H Improved Sea Sparrow (IBPDMS)
  • 1 × Phalanx CIWS
  • Harpoon anti-ship missiles
  • 2 × SS-N-2 Styx (later Kh-35) anti-ship missiles
  • 2 × 100 mm guns
  • 4 × 57 mm guns (2 twin)
  • 30 mm and 25 mm anti-aircraft guns
  • 2 × RBU-1200 anti-submarine rocket launchers
  • Depth charges and up to 30 mines
Propulsion 1 × Westinghouse steam turbine, 2 × 1,200 psi boilers, 35,000 shp 2 diesel engines, 15,000 bhp, 2 shafts

Overview

The Chi Yang and the Najin are both Frigate classes.

The Chi Yang displaces 4,130 tons — 2.6x the Najin's 1,600 tons. The Chi Yang reaches 27 knots vs 26 knots for the Najin. Operational range is 4,500 nautical miles for the Chi Yang vs 4,000 for the Najin. The Chi Yang carries a crew of 257 vs 180 for the Najin.

The Chi Yang was produced in 46 units vs 4 for the Najin. The Chi Yang was commissioned in 1969, 4 years before the Najin (1973).

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Frequently Asked Questions

Which has greater displacement, the Chi Yang-class or Najin-class?
The Chi Yang-class has greater displacement at 4,130 tons compared to the Najin-class's 1,600 tons.
Which is faster, the Chi Yang-class or Najin-class?
The Chi Yang-class is faster with a maximum speed of 27 knots compared to the Najin-class's 26 knots.
Which has longer range, the Chi Yang-class or Najin-class?
The Chi Yang-class has a longer range at 4,500 nautical miles compared to the Najin-class's 4,000 nautical miles.
Which is longer, the Chi Yang-class or Najin-class?
The Chi Yang-class is longer at 134.0 meters compared to the Najin-class's 100.0 meters.
How many crew members do the Chi Yang-class and Najin-class have?
The Chi Yang-class has a larger crew complement of 257 compared to the Najin-class's 180 crew members.
Which has been built in greater numbers, the Chi Yang-class or Najin-class?
The Chi Yang-class has been built in greater numbers with 46 vessels compared to 4 vessels of the Najin-class.