Hamilton vs Osa

The Hamilton and the Osa are both Patrol vessel classes. The Hamilton displaces 3,250 tons — 16:1 the Osa's 209 tons. The Hamilton reaches 29 knots vs 42 knots for the Osa. Operational range is 12,500 nautical miles for the Hamilton vs 1,800 for the Osa. The Hamilton carries a crew of 167 vs 28 for the Osa. The Hamilton was produced in 12 units vs 400 for the Osa. The Hamilton was commissioned in 1967, 7 years after the Osa (1960).

American patrol vessel, introduced in 1967, displaces 3,250 tons.
Origin 🇺🇸 United States
Category Patrol vessel
Type High endurance cutter
Manufacturer Avondale Shipyards
Year introduced 1967
Number built 12 units
Estimated unit price NA

Osa

Ex-USSR missile boat, introduced in 1960, reaches speeds of 42 knots, with over 400 units built.
Origin 🇨🇳 Ex-USSR
Category Patrol vessel
Type Missile boat
Manufacturer Vostochnaya Verf
Year introduced 1960
Number built 400 units
Estimated unit price NA
Displacement 3,250 tons
Maximum speed 29.0 knots
Range 12,500 nm at 12 knots
Length 115.0 m
Beam 13.0 m
Crew 167
Propulsion CODOG system: 2 × Fairbanks-Morse 38TD8-1/8-12 12-cylinder diesel engines (7,000 hp) and 2 × Pratt & Whittney FT4A-6 gas turbines (36,000 hp)
Armament
  • 1 × OTO Melara Mark 75 76 mm/62 caliber naval gun
  • 2 × 25 mm Mk38
  • 1 × MK 15 Block 1 20 mm Phalanx CIWS
  • 6 × .50 caliber machine guns
  • 5"/38 naval gun (original)
  • 2 × 81 mm mortars (original)
  • 2 × MK 10 Hedgehogs (original)
  • 2 × MK 32 torpedo tube systems (original)
  • Harpoon anti-ship missiles (fitted to some)

Osa

Displacement 209 tons
Maximum speed 42.0 knots
Range 1,800 nm at 500 knots
Length 38.6 m
Beam 7.6 m
Crew 28
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
Armament
  • 2 × AK-230 twin 30 mm CIWS (2,000 rounds)
  • 4 × P-15 Termit (SS-N-2 Styx) anti-ship missiles

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Hamilton-class or Osa-class?
The Hamilton-class has greater displacement at 3,250 tons compared to the Osa-class's 209 tons.
Which is faster, the Hamilton-class or Osa-class?
The Osa-class is faster with a maximum speed of 42 knots compared to the Hamilton-class's 29 knots.
Which has longer range, the Hamilton-class or Osa-class?
The Hamilton-class has a longer range at 12,500 nautical miles compared to the Osa-class's 1,800 nautical miles.
Which is longer, the Hamilton-class or Osa-class?
The Hamilton-class is longer at 115.0 meters compared to the Osa-class's 38.6 meters.
How many crew members do the Hamilton-class and Osa-class have?
The Hamilton-class has a larger crew complement of 167 compared to the Osa-class's 28 crew members.
Which has been built in greater numbers, the Hamilton-class or Osa-class?
The Osa-class has been built in greater numbers with 400 vessels compared to 12 vessels of the Hamilton-class.