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Mogami vs Sigma

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Specifications
Mogami Sigma
Origin 🇯🇵 Japan 🇳🇱 Netherlands
Category Frigate Frigate
Type Stealth frigate Multi-purpose corvette / frigate
Manufacturer Mitsubishi Heavy Industries Damen Schelde Naval Shipbuilding
Year introduced 2022 2007
Number built 10 units 10 units
Estimated unit price $450 million $222 million
Displacement 5,500 tons 1,692 tons
Maximum speed 30.0 knots 28.0 knots
Range NA 4,800 nm at 14 knots
Length 132.5 m 90.7 m
Beam 16.3 m 13.0 m
Crew 90 80
Performance Radar Chart
Armament & Systems
Mogami Sigma
Armament
  • 1 × 5 in (127 mm) Mk-45 Mod 4 naval gun
  • 8 × Type 17 anti-ship missiles
  • 1 × SeaRAM
  • Type 12 torpedoes
  • 16 × Mk-41 VLS
  • Type 07 VLA
  • 2 × Remote weapon station
  • Simplified mine laying equipment
  • 1 × Oto Melara 76 mm gun
  • 2 × 20 mm Denel GI-2 gun
  • 2 × quad (8) Mistral TETRAL Anti-air missile
  • 4 × Exocet MM40 Block II/MM40 Block III anti-surface missile
  • 2 × B515/3 triple launchers for lightweight WASS A244-S mod.3 / EuroTorp MU 90 torpedoes
Propulsion CODAG: 1 × Rolls-Royce MT30 gas turbine, 2 × MAN Diesel V28/33DD STC engine, Total 70,000 HP 2 × SEMT Pielstick 20PA6B STC rated at 8910 kW each driving a lightweight Geislinger coupling; 4 × Caterpillar 3406C TA generator rated at 350 kW each; 1 × Caterpillar 3304B emergency generator rated at 105 kW; 2 × shaft with Rolls-Royce Kamewa 5 bladed controllable pitch propeller

Overview

The Mogami and the Sigma are both Frigate classes.

The Mogami displaces 5,500 tons — 3.3x the Sigma's 1,692 tons. The Mogami reaches 30 knots vs 28 knots for the Sigma. The Mogami carries a crew of 90 vs 80 for the Sigma.

The Mogami was produced in 10 units vs 10 for the Sigma. Cost per hull is $450M for the Mogami vs $222M for the Sigma. The Mogami was commissioned in 2022, 15 years after the Sigma (2007).

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Frequently Asked Questions

Which has greater displacement, the Mogami-class or Sigma-class?
The Mogami-class has greater displacement at 5,500 tons compared to the Sigma-class's 1,692 tons.
Which is faster, the Mogami-class or Sigma-class?
The Mogami-class is faster with a maximum speed of 30 knots compared to the Sigma-class's 28 knots.
Which has longer range, the Mogami-class or Sigma-class?
The Sigma-class has a longer range at 4,800 nautical miles compared to the Mogami-class's 0 nautical miles.
Which is longer, the Mogami-class or Sigma-class?
The Mogami-class is longer at 132.5 meters compared to the Sigma-class's 90.7 meters.
How many crew members do the Mogami-class and Sigma-class have?
The Mogami-class has a larger crew complement of 90 compared to the Sigma-class's 80 crew members.
Which is more expensive, the Mogami-class or Sigma-class?
The Mogami-class is more expensive at approximately $450 million per unit compared to the Sigma-class at $222 million.
Which has been built in greater numbers, the Mogami-class or Sigma-class?
Both the Mogami-class and Sigma-class have been built in equal numbers with 10 vessels each.