FF-1052 Knox vs Ulsan

The FF-1052 Knox and the Ulsan are both Frigate classes. Displacement is 4,130 tons for the FF-1052 Knox vs 2,215 tons for the Ulsan. The FF-1052 Knox reaches 27 knots vs 35 knots for the Ulsan. Operational range is 4,500 nautical miles for the FF-1052 Knox vs 8,000 for the Ulsan. The FF-1052 Knox carries a crew of 257 vs 186 for the Ulsan. The FF-1052 Knox was produced in 46 units vs 9 for the Ulsan. The FF-1052 Knox was commissioned in 1969, 12 years before the Ulsan (1981).

United States frigate, introduced in 1969, built by Todd Shipyard with a displacement of 4,130 tons.
Origin 🇺🇸 United States
Category Frigate
Type Frigate
Manufacturer Todd Shipyard
Year introduced 1969
Number built 46 units
Estimated unit price NA
South Korean frigate, introduced in 1981, utilizes CODOG propulsion with gas turbine and diesel engines.
Origin 🇰🇷 South Korea
Category Frigate
Type Frigate
Manufacturer Hyundai Heavy Industries
Year introduced 1981
Number built 9 units
Estimated unit price NA
Displacement 4,130 tons â—‰
Maximum speed 27.0 knots â—‰
Range 4,500 nm at 20 knots â—‰
Length 134.0 m â—‰
Beam 14.3 m â—‰
Crew 257 â—‰
Propulsion 1 × Westinghouse steam turbine, 2 × 1,200 psi boilers, 35,000 shp
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
Displacement 2,215 tons â—‰
Maximum speed 35.0 knots â—‰
Range 8,000 nm at 16 knots â—‰
Length 103.7 m â—‰
Beam 12.5 m â—‰
Crew 186 â—‰
Propulsion CODOG: 2 × GE LM2500 gas turbine engine, 2 × MTU 12V 956 TB82 diesel engine
Armament
  • 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

Performance Radar Chart

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.