Harstad vs Osa

The Harstad and the Osa are both Patrol vessel classes. The Harstad displaces 3,121 tons — 15:1 the Osa's 209 tons. The Harstad reaches 18.4 knots vs 42 knots for the Osa. The Harstad carries a crew of 26 vs 28 for the Osa. The Harstad was commissioned in 2005, 45 years after the Osa (1960).

Norwegian patrol vessel, 3,121 tons displacement, propelled by two Rolls-Royce Marine diesel engines.
Origin 🇳🇴 Norway
Category Patrol vessel
Type Patrol and Oil recovery vessel
Manufacturer --
Year introduced 2005
Number built NA
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 3,121 tons
Maximum speed 18.4 knots
Range NA
Length 82.0 m
Beam 16.0 m
Crew 26
Propulsion Two Rolls-Royce Marine diesel engines, 4000kW each Two screws; one azimuth thruster, 883kW
Armament

40 mm Bofors

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 Harstad-class or Osa-class?
The Harstad-class has greater displacement at 3,121 tons compared to the Osa-class's 209 tons.
Which is faster, the Harstad-class or Osa-class?
The Osa-class is faster with a maximum speed of 42 knots compared to the Harstad-class's 18 knots.
Which has longer range, the Harstad-class or Osa-class?
The Osa-class has a longer range at 1,800 nautical miles compared to the Harstad-class's 0 nautical miles.
Which is longer, the Harstad-class or Osa-class?
The Harstad-class is longer at 82.0 meters compared to the Osa-class's 38.6 meters.
How many crew members do the Harstad-class and Osa-class have?
The Osa-class has a larger crew complement of 28 compared to the Harstad-class's 26 crew members.