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FF-1052 Knox vs Ulsan

FF-1052 Knox vs Ulsan at a glance — displacement 4,130 vs 2,215 tons, length 134 vs 103 m, speed 27 vs 35 knots, crew 257 vs 186.

Specifications
FF-1052 Knox Ulsan
Origin 🇺🇸 United States 🇰🇷 South Korea
Category Frigate Frigate
Type Frigate Frigate
Manufacturer Todd Shipyard Hyundai Heavy Industries
Year introduced 1969 1981
Number built 46 units 9 units
Estimated unit price NA NA
Displacement 4,130 tons 2,215 tons
Maximum speed 27.0 knots 35.0 knots
Range 4,500 nm at 20 knots 8,000 nm at 16 knots
Length 134.0 m 103.7 m
Beam 14.3 m 12.5 m
Crew 257 186
Performance Radar Chart
Armament & Systems
FF-1052 Knox Ulsan
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
  • 1 × Mk-29 8–cell RIM-7H Improved Sea Sparrow
  • 1 × Phalanx CIWS
  • Harpoon anti-ship missiles
  • 2 × OTO Melara 76 mm/62 cannon
  • 4 × Emerson EMERLEC 30 twin Oerlikon 30 mm/75 KCB cannon (Batch I)
  • 3 × Breda DARDO CIWS twin Bofors 40 mm/70 cannon (Batch II–III)
  • 2 × 4 RGM-84C Harpoon SSM
  • 2 × triple Mark 32 SVTT loaded with Mark 46 ASW torpedo, or K745 Blue Shark ASW torpedo (after 2006)
  • 12 × Mk 9 or KMk 9 depth charge
Propulsion 1 × Westinghouse steam turbine, 2 × 1,200 psi boilers, 35,000 shp CODOG: 2 × GE LM2500 gas turbine engine, 2 × MTU 12V 956 TB82 diesel engine
Change comparison vs
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Frequently Asked Questions

Which has greater displacement, the FF-1052 Knox-class or Ulsan-class?
The FF-1052 Knox-class has greater displacement at 4,130 tons compared to the Ulsan-class's 2,215 tons.
Which is faster, the FF-1052 Knox-class or Ulsan-class?
The Ulsan-class is faster with a maximum speed of 35 knots compared to the FF-1052 Knox-class's 27 knots.
Which has longer range, the FF-1052 Knox-class or Ulsan-class?
The Ulsan-class has a longer range at 8,000 nautical miles compared to the FF-1052 Knox-class's 4,500 nautical miles.
Which is longer, the FF-1052 Knox-class or Ulsan-class?
The FF-1052 Knox-class is longer at 134.0 meters compared to the Ulsan-class's 103.7 meters.
How many crew members do the FF-1052 Knox-class and Ulsan-class have?
The FF-1052 Knox-class has a larger crew complement of 257 compared to the Ulsan-class's 186 crew members.
Which has been built in greater numbers, the FF-1052 Knox-class or Ulsan-class?
The FF-1052 Knox-class has been built in greater numbers with 46 vessels compared to 9 vessels of the Ulsan-class.