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Walrus-class submarine
Photo: Ministerie van Defensie · Wikimedia Commons · CC BY-SA 4.0
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Walrus-classsubmarine

Conventional Submarines · 1985
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Walrus-classsubmarine

Walrus-class submarine
Walrus-class submarine Photo: Ministerie van Defensie · Wikimedia Commons · CC BY-SA 4.0
CategoryConventional Submarines
EraCold War
In service1985–1992
Quantity4
Data Quality82%
01 / Overview
Walrus-class submarine
Production
1985–1992
Quantity
4
Unit Price (current)
$509.4M↗ 129% inflation · 1992→2025
Original Price
$222.0M (1992)
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
CONVENTIONAL SUBMARINES · COLD WAR
—
PERFORMANCE/PRICE
—
UNIT COST (2025 USD)
$509.4M
Original: $222.0M (1992)
Inflation: +%129
—
conventional submarines category
ⓘ Performance/Price and MASS score are computed across all units in the conventional submarines category, regardless of era.
02 / Specs & Design
◎Identification7MOD.7
  • Hull ClassificationWalrus class
  • Submarine Typeattack submarine
  • Builder / ShipyardRotterdamsche Droogdok Maatschappij
  • Laid Down1979
  • Commissioned1990
  • Boats in Class4
  • In ServiceYes
◈Displacement5MOD.5
  • Surfaced Displacement2,450 t
  • Submerged Displacement2,800 t
  • Length67.725 m
  • Beam8.4 m
  • Draft6.6 m
▣Propulsion6MOD.6
◇Diving & Endurance2MOD.2
  • Test Depth300 m
  • Complement (crew)52
◆Armament6MOD.6
▤Sensors & Combat Systems4MOD.4
  • Bow SonarThomson Sintra TSM 2272 Eledone Octopus
  • Towed Array SonarYes
  • Surface-Search RadarSignaal/Decca 1229, Signaal ZW-07
  • Combat SystemHSA GIPSY (SEWACO VIII)
⬢Stealth1MOD.1
▲Production & Cost3MOD.3
  • Unit Cost500,000,000 USD
  • First of Class1990
  • Operators1
◎Fleet Status8MOD.8
  • Completed4
  • Active3
  • Under Construction0
  • Planned6
  • Cancelled2
  • Lost0
  • Retired1
  • Preserved0
03 / History
SERVICE LIFESPANRetired
  1. 1985Production started
  2. 1992Production ended
41
years in service
7
years in production
4
units produced
04 / MASS Score
Not enough weapon data to rank this category.
MASS RANKINGSMASS ↗
ⓘ Rankings are within theConventional Submarinescategory.
📖 TERMS ON THIS PAGE5terms
Anti-ship missiles are guided missiles designed to engage and destroy naval vessels. They are typically used by aircraft, ships, or submarines to attack enemy ships.
Cruise missiles are self-propelled, guided weapons launched from platforms like attack submarines (SSNs) to deliver warheads over long distances with precision.
Propulsion system combining diesel engines to generate electricity, which powers electric motors driving the vessel's propellers.
Laying explosive mines underwater from a submarine.
A system of hydrophones towed behind a vessel to detect submarines and torpedoes, minimizing interference from the ship's self-noise.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Conventional Submarines entry →