Flamant vs Osa

The Flamant and the Osa are both Patrol vessel classes. The Flamant displaces 477 tons — 2.3x the Osa's 209 tons. The Flamant reaches 23 knots vs 42 knots for the Osa. Operational range is 4,500 nautical miles for the Flamant vs 1,800 for the Osa. The Flamant carries a crew of 21 vs 28 for the Osa. The Flamant was produced in 3 units vs 400 for the Osa. The Flamant was commissioned in 1996, 36 years after the Osa (1960).

French patrol vessel, introduced in 1996, reaches speeds of 23 knots with two diesel engines.
Origin 🇫🇷 France
Category Patrol vessel
Type Patrol boat
Manufacturer Constructions Mécaniques de Normandie, Cherbourg
Year introduced 1996
Number built 3 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 477 tons
Maximum speed 23.0 knots
Range 4,500 nm at 14 knots
Length 54.0 m
Beam 10.0 m
Crew 21
Propulsion 2 × 3,050 hp (2,274 kW) Deutz-MWM TBD 620 V16 diesel engines, 2 × 930 hp (694 kW) Deutz-MWM TBD234 V12 diesel engines, 2 × variable-pitch propellers
Armament
  • 2 × 12.7 mm 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 Flamant-class or Osa-class?
The Flamant-class has greater displacement at 477 tons compared to the Osa-class's 209 tons.
Which is faster, the Flamant-class or Osa-class?
The Osa-class is faster with a maximum speed of 42 knots compared to the Flamant-class's 23 knots.
Which has longer range, the Flamant-class or Osa-class?
The Flamant-class has a longer range at 4,500 nautical miles compared to the Osa-class's 1,800 nautical miles.
Which is longer, the Flamant-class or Osa-class?
The Flamant-class is longer at 54.0 meters compared to the Osa-class's 38.6 meters.
How many crew members do the Flamant-class and Osa-class have?
The Osa-class has a larger crew complement of 28 compared to the Flamant-class's 21 crew members.
Which has been built in greater numbers, the Flamant-class or Osa-class?
The Osa-class has been built in greater numbers with 400 vessels compared to 3 vessels of the Flamant-class.