Archer vs Osa

The Archer and the Osa are both Patrol vessel classes. The Osa displaces 209 tons — 3.9x the Archer's 54 tons. The Archer reaches 20 knots vs 42 knots for the Osa. Operational range is 550 nautical miles for the Archer vs 1,800 for the Osa. The Archer carries a crew of 12 vs 28 for the Osa. The Archer was produced in 17 units vs 400 for the Osa. The Archer was commissioned in 1985, 25 years after the Osa (1960).

British patrol vessel, introduced in 1985, has a maximum speed of 20 knots.
Origin 🇬🇧 United Kingdom
Category Patrol vessel
Type Patrol boat & training vessel
Manufacturer Watercraft Marine
Year introduced 1985
Number built 17 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 54 tons
Maximum speed 20.0 knots
Range 550 nm
Length 19.9 m
Beam 5.8 m
Crew 12
Propulsion 2 shafts, Cat C18 ACERT diesels
Armament
  • 1 × Oerlikon 20 mm cannon
  • 3 × General purpose machine guns

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 Archer-class or Osa-class?
The Osa-class has greater displacement at 209 tons compared to the Archer-class's 54 tons.
Which is faster, the Archer-class or Osa-class?
The Osa-class is faster with a maximum speed of 42 knots compared to the Archer-class's 20 knots.
Which has longer range, the Archer-class or Osa-class?
The Osa-class has a longer range at 1,800 nautical miles compared to the Archer-class's 550 nautical miles.
Which is longer, the Archer-class or Osa-class?
The Osa-class is longer at 38.6 meters compared to the Archer-class's 19.9 meters.
How many crew members do the Archer-class and Osa-class have?
The Osa-class has a larger crew complement of 28 compared to the Archer-class's 12 crew members.
Which has been built in greater numbers, the Archer-class or Osa-class?
The Osa-class has been built in greater numbers with 400 vessels compared to 17 vessels of the Archer-class.