Data Quality88%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the patrol boats & fast attack craft category.
01 / Overview
SC-497-class submarine chaser
Category
Country
Production
1941–1944
Quantity
438
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
PATROL BOATS & FAST ATTACK CRAFT · WORLD WAR II
9
PERFORMANCE/PRICE
94
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the patrol boats & fast attack craft category, regardless of era.
02 / Specs & Design
◎Identification5MOD.5
- Hull ClassificationSC-497-class submarine chaser
- Ship TypeSubmarine chaser
- Laid Down1941
- Ships in Class438
- In ServiceYes
◈Displacement1MOD.1
- Light Displacement98 t
▣Dimensions3MOD.3
- Length (overall)33.528 m
- Beam5.182 m
- Draft3.048 m
◇Complement3MOD.3
- Total Complement28
- Officers3
- Air Wing Personnel0
◆Propulsion7MOD.7
- Propulsion Type* 2 × General Motors 16-184A or 8-268A 2-stroke diesel engines * 2 × shafts
- Arrangement (CODAG/COGAG…)Twin-shaft diesel
- Number of Engines2
- Shafts / Screws2
- Top Speed21 kn
- Cruise Speed15.6 kn
- Nuclear-PoweredNo
▤Gun Armament4MOD.4
- Main Gun3"/23-caliber gun (later 40 mm Bofors)
- Main Gun Calibre76.2 mm
- Main Gun Count1
- Secondary Guns.50-caliber machine guns (later 20 mm cannons)
⬢Missile Armament4MOD.4
▲Underwater Warfare3MOD.3
- Torpedo Tubes0
- ASW CapabilityYes
- Towed Array SonarNo
◎Aviation5MOD.5
- Embarked Helicopters0
- HangarNo
- Flight DeckNo
- Fixed-Wing Aircraft0
- UAV CapabilityNo
◈Sensors & Combat Systems3MOD.3
▣Survivability3MOD.3
- CBRN CitadelNo
- Hull MaterialWood
- Stealth ShapingNo
◇Fleet Status7MOD.7
- Completed438
- Active0
- Under Construction0
- Planned475
- Cancelled37
- Lost17
- Preserved1
◆Armour3MOD.3
- ArmourWooden hull
- Belt Armour0 mm
- Deck Armour0 mm
03 / History
SERVICE LIFESPANStill in Service
- 1939First deployment: World War II
- 1941Production started
- 1944Production ended
85
years in service
3
years in production
438
units produced
2
countries operating
ⓘ The producing country still actively operates it. 4 countries retired it.
04 / Operators
Operator Countries6country
SC-497-class submarine chaserSALES5records
Russia
France
Brazil
Norway
Mexicoⓘ "Present Value" is an estimated amount adjusted for inflation.
05 / MASS Score
PATROL BOATS & FAST ATTACK CRAFT RANKING Patrol Boats & Fast Attack Craft · World War II
MASS RANKINGSMASS ↗
130PATROL BOATS & FAST ATTACK CRAFT9WORLD WAR II · PATROL BOATS & FAST ATTACK CRAFT1838UNITED STATES · ALL WEAPONS1PERFORMANCE/PRICE · PATROL BOATS & FAST ATTACK CRAFT
ⓘ Rankings are within thePatrol Boats & Fast Attack Craftcategory.
📖 TERMS ON THIS PAGE1terms
Anti-Submarine Warfare. Capability to detect, track, and engage submarines.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources