Data Quality88%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the frigates category.
01 / Overview
Bay-class frigate
Category
Country
Prime contractor
Production
1945–1945
Quantity
26
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
FRIGATES · WORLD WAR II
7
PERFORMANCE/PRICE
87
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the frigates category, regardless of era.
02 / Specs & Design
◎Identification7MOD.7
- Ship Typeanti-aircraft frigate
- Builder / ShipyardCharles Hill & Sons, Henry Robb, Blyth Dry Dock, Smiths Dock, William Pickersgill, Harland & Wolff
- Laid Down1943
- Launched1944
- Commissioned1945
- Ships in Class26
- In ServiceYes
◈Displacement2MOD.2
- Standard Displacement1,600 t
- Full Load Displacement2,530 t
▣Dimensions4MOD.4
- Length (overall)93.27 m
- Length (waterline)87.17 m
- Beam11.73 m
- Draft3.89 m
◇Complement1MOD.1
- Total Complement157
◆Propulsion4MOD.4
- PropulsionSteam Turbine
- Arrangement (CODAG/COGAG…)2 Admiralty 3-drum boilers, 2 shafts, 4-cylinder vertical triple expansion reciprocating engines
- Top Speed19.5 kn
- Range9,500
▤Gun Armament4MOD.4
- Main GunQF 4-inch Mark XVI guns
- Main Gun Calibre102 mm
- Main Gun Count4
- Secondary Guns40 mm Bofors, 20 mm Oerlikon
⬢Missile Armament3MOD.3
▲Underwater Warfare4MOD.4
- Torpedo Tubes0
- ASW CapabilityYes
- Hull-Mounted SonarNo
- Towed Array SonarNo
◎Aviation4MOD.4
- Embarked Helicopters0
- HangarNo
- Flight DeckNo
- UAV CapabilityNo
◈Sensors & Combat Systems6MOD.6
- Air-Search RadarType 291 radar
- Surface / Fire-Control RadarType 276/293
- Phased-Array RadarNo
- Combat SystemType 285 fire control radar, HF/DF, IFF transponder
- Aegis / EquivalentNo
- Electronic WarfareNo
▣Survivability5MOD.5
- CBRN CitadelNo
- DegaussingNo
- Hull Materialsteel
- Stealth ShapingNo
- Automated Damage ControlYes
◇Fleet Status8MOD.8
- Completed26
- Active0
- Under Construction0
- Planned26
- Cancelled1
- Lost0
- Retired26
- Preserved0
03 / History
SERVICE LIFESPANStill in Service
- 1939First deployment: World War II
- 1945Production started
- 1959Sale: Portugal (4 units)
- 1966Sale: Portugal (1 units)
81
years in service
0
years in production
26
units produced
3
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries3country
Bay-class frigateSALES2records
Portugalⓘ "Present Value" is an estimated amount adjusted for inflation.
05 / MASS Score
FRIGATES RANKING Frigates · World War II
MASS RANKINGSMASS ↗
ⓘ Rankings are within theFrigatescategory.
📖 TERMS ON THIS PAGE3terms
Anti-Submarine Warfare. Capability to detect, track, and engage submarines.
Automated Damage Control is a shipboard system that detects, assesses, and mitigates combat damage on aircraft carriers using sensors and software to enhance response speed and reduce crew workload.
A mechanical device that converts steam pressure into rotational energy, used to drive shipboard generators or propulsion systems.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources