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Osa vs Type 037

Osa vs Type 037 at a glance — displacement 209 vs 430 tons, length 38 vs 58 m, speed 42 vs 30 knots, crew 28 vs 70.

Specifications
Osa Type 037
Origin 🇷🇺 Ex-USSR 🇨🇳 China
Category Patrol vessel Corvette
Type Missile boat Submarine chaser
Manufacturer Vostochnaya Verf Chinese State Industry
Year introduced 1960 1964
Number built 400 units 100 units
Estimated unit price NA NA
Displacement 209 tons 430 tons
Maximum speed 42.0 knots 30.0 knots
Range 1,800 nm at 14 knots 2,000 nm at 14 knots
Length 38.6 m 58.8 m
Beam 7.6 m 7.2 m
Crew 28 70
Performance Radar Chart
Armament & Systems
Osa Type 037
Armament
  • 2 × AK-230 twin 30 mm CIWS (2,000 rounds)
  • 4 × P-15 Termit (SS-N-2 Styx) anti-ship missiles
  • 4 x Chinese Type 66 57 mm guns (2x2)
  • 4 x Chinese Type 61 25 mm guns (2x2)
  • 4 x RBU-1200 or Type 81 ASW rocket launchers
  • 2 x BMB-2 ASW mortars
  • 2 x depth charge rails with more than 20 depth charges
  • mine rails (10 mines total)
Propulsion 3 × 4,000 hp (3.0 MW) M-503G diesel engines (205) or 3 × 5,000 hp (3.7 MW) M-504B diesel engines (205U onwards); 3 shafts 4 x diesel engines, 8,800 hp (6,562 kW), 4 x shafts
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Frequently Asked Questions

Which has greater displacement, the Osa-class or Type 037-class?
The Type 037-class has greater displacement at 430 tons compared to the Osa-class's 209 tons.
Which is faster, the Osa-class or Type 037-class?
The Osa-class is faster with a maximum speed of 42 knots compared to the Type 037-class's 30 knots.
Which has longer range, the Osa-class or Type 037-class?
The Type 037-class has a longer range at 2,000 nautical miles compared to the Osa-class's 1,800 nautical miles.
Which is longer, the Osa-class or Type 037-class?
The Type 037-class is longer at 58.8 meters compared to the Osa-class's 38.6 meters.
How many crew members do the Osa-class and Type 037-class have?
The Type 037-class has a larger crew complement of 70 compared to the Osa-class's 28 crew members.
Which has been built in greater numbers, the Osa-class or Type 037-class?
The Osa-class has been built in greater numbers with 400 vessels compared to 100 vessels of the Type 037-class.