Hämeenmaa vs Sonya

The Hämeenmaa and the Sonya are both Mine warfare classes. The Hämeenmaa displaces 1,450 tons — 3.2x the Sonya's 450 tons. The Hämeenmaa reaches 20 knots vs 15 knots for the Sonya. The Hämeenmaa carries a crew of 60 vs 43 for the Sonya. The Hämeenmaa was produced in 2 units vs 72 for the Sonya. The Hämeenmaa was commissioned in 1992, 21 years after the Sonya (1971).

Finnish mine warfare vessel, 1,450 tons displacement, was introduced in 1992.
Origin 🇫🇮 Finland
Category Mine warfare
Type Minelayer, Coastal
Manufacturer Finnyards
Year introduced 1992
Number built 2 units
Estimated unit price NA
Soviet mine warfare/coastal minesweeper, introduced in 1971, displaces 450 tons and has a crew of 43.
Origin 🇨🇳 Ex-USSR
Category Mine warfare
Type Coastal minesweeper
Manufacturer Uliis yard
Year introduced 1971
Number built 72 units
Estimated unit price NA
Displacement 1,450 tons
Maximum speed 20.0 knots
Range NA
Length 77.8 m
Beam 11.6 m
Crew 60
Propulsion 2 × Wärtsilä Vasa 16V22 (2,600 kW each), Two shafts; KaMeWa controllable pitch propellers
Armament
  • 1 × Bofors 57 mm/70 Mk1
  • 8-cell Denel Umkhonto-IR VLS SAM system
  • 2 × 12.7 mm machine gun
  • 2 × H&K GMG grenade machinegun
  • 2 × RBU-1200 depth charge rocket launcher
  • 2 × rails for depth charges
  • 4 × rails for 100-150 mines
Displacement 450 tons
Maximum speed 15.0 knots
Range 3,000 nm at 10 knots
Length 48.8 m
Beam 8.8 m
Crew 43
Propulsion 2 shaft diesel engines 2,400 hp (1,800 kW)
Armament
  • 1 × twin 30 mm guns
  • 1 × twin 25 mm guns
  • Sweeps GKT, PEMT-2, ST-2

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Hämeenmaa-class or Sonya-class?
The Hämeenmaa-class has greater displacement at 1,450 tons compared to the Sonya-class's 450 tons.
Which is faster, the Hämeenmaa-class or Sonya-class?
The Hämeenmaa-class is faster with a maximum speed of 20 knots compared to the Sonya-class's 15 knots.
Which has longer range, the Hämeenmaa-class or Sonya-class?
The Sonya-class has a longer range at 3,000 nautical miles compared to the Hämeenmaa-class's 0 nautical miles.
Which is longer, the Hämeenmaa-class or Sonya-class?
The Hämeenmaa-class is longer at 77.8 meters compared to the Sonya-class's 48.8 meters.
How many crew members do the Hämeenmaa-class and Sonya-class have?
The Hämeenmaa-class has a larger crew complement of 60 compared to the Sonya-class's 43 crew members.
Which has been built in greater numbers, the Hämeenmaa-class or Sonya-class?
The Sonya-class has been built in greater numbers with 72 vessels compared to 2 vessels of the Hämeenmaa-class.