Ambassador vs Osa

The Ambassador and the Osa are both Patrol vessel classes. The Ambassador displaces 600 tons — 2.9x the Osa's 209 tons. The Ambassador reaches 41 knots vs 42 knots for the Osa. Operational range is 2,000 nautical miles for the Ambassador vs 1,800 for the Osa. The Ambassador carries a crew of 36 vs 28 for the Osa. The Ambassador was produced in 4 units vs 400 for the Osa. The Ambassador was commissioned in 2013, 53 years after the Osa (1960).

Egyptian patrol vessel, 600 tons displacement, propelled by four MTU diesels.
Origin 🇪🇬 Egypt
Category Patrol vessel
Type Missile boat
Manufacturer VT Halter Marine
Year introduced 2013
Number built 4 units
Estimated unit price $322 million

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 600 tons
Maximum speed 41.0 knots
Range 2,000 nm
Length 63.0 m
Beam 10.0 m
Crew 36
Propulsion 4× MTU diesels, 30,000 hp (22 MW), 4 shafts
Armament
  • 8 × RGM-84 Boeing Harpoon SSM Block 1G in 2 quad canister launchers
  • 1 × OTO Melara Mk 75 76 mm/62 Super Rapid DP gun
  • 1 × Mk 31 Mod 3 RIM-116 RAM (21 missiles)
  • 1 × Raytheon Mk 15 Mod 21 Phalanx (Block 1B) 20 mm Phalanx CIWS
  • 2 × deck-mounted 7.62 mm M60 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 Ambassador-class or Osa-class?
The Ambassador-class has greater displacement at 600 tons compared to the Osa-class's 209 tons.
Which is faster, the Ambassador-class or Osa-class?
The Osa-class is faster with a maximum speed of 42 knots compared to the Ambassador-class's 41 knots.
Which has longer range, the Ambassador-class or Osa-class?
The Ambassador-class has a longer range at 2,000 nautical miles compared to the Osa-class's 1,800 nautical miles.
Which is longer, the Ambassador-class or Osa-class?
The Ambassador-class is longer at 63.0 meters compared to the Osa-class's 38.6 meters.
How many crew members do the Ambassador-class and Osa-class have?
The Ambassador-class has a larger crew complement of 36 compared to the Osa-class's 28 crew members.
Which has been built in greater numbers, the Ambassador-class or Osa-class?
The Osa-class has been built in greater numbers with 400 vessels compared to 4 vessels of the Ambassador-class.