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Hämeenmaa vs Sonya

Hämeenmaa vs Sonya at a glance — displacement 1,450 vs 450 tons, length 77 vs 48 m, speed 20 vs 15 knots, crew 60 vs 43.

Specifications
Hämeenmaa Sonya
Origin 🇫🇮 Finland 🇷🇺 Ex-USSR
Category Mine warfare Mine warfare
Type Coastal minelayer Coastal minesweeper
Manufacturer Finnyards Uliis yard
Year introduced 1992 1971
Number built 2 units 72 units
Estimated unit price NA NA
Displacement 1,450 tons 450 tons
Maximum speed 20.0 knots 15.0 knots
Range NA 3,000 nm at 10 knots
Length 77.8 m 48.8 m
Beam 11.6 m 8.8 m
Crew 60 43
Performance Radar Chart
Armament & Systems
Hämeenmaa Sonya
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
  • 1 × twin 30 mm guns
  • 1 × twin 25 mm guns
  • Sweeps GKT, PEMT-2, ST-2
Propulsion 2 × Wärtsilä Vasa 16V22 (2,600 kW each), Two shafts; KaMeWa controllable pitch propellers 2 shaft diesel engines 2,400 hp (1,800 kW)
Explore further
Hämeenmaa-class Specs, operators & history →
Largest operators · in service
Sonya-class Specs, operators & history →
Largest operators · in service
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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 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.