Data Quality85%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the frigates category.
01 / Overview
Diogo Gomes-class frigate
Category
Country
Prime contractor
Production
1943–1944
Quantity
151
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
FRIGATES · WORLD WAR II
15
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
◎Identification4MOD.4
- Hull ClassificationRiver-class frigate
- Ship Typefrigate
- Ships in Class151
- In ServiceYes
◈Displacement2MOD.2
- Light Displacement1,370 t
- Full Load Displacement1,830 t
▣Dimensions3MOD.3
- Length (overall)86.27 m
- Beam11 m
- Draft2.74 m
◇Complement1MOD.1
- Total Complement107
◆Propulsion9MOD.9
- PropulsionSteam Turbine
- Arrangement (CODAG/COGAG…)2 × Admiralty 3-drum boilers, reciprocating vertical triple expansion
- Number of Engines2
- Shaft Power4,101 kW
- Shafts / Screws2
- Top Speed20 kn
- Cruise Speed12 kn
- Range7,200
- Nuclear-PoweredNo
▤Gun Armament4MOD.4
- Main GunQF 4 inch Mk XIX naval gun
- Main Gun Calibre102 mm
- Main Gun Count2
- Secondary GunsQF 20 mm Oerlikon A/A
⬢Missile Armament3MOD.3
▲Underwater Warfare2MOD.2
◎Aviation5MOD.5
- Embarked Helicopters0
- HangarNo
- Flight DeckNo
- Fixed-Wing Aircraft0
- UAV CapabilityNo
◈Sensors & Combat Systems3MOD.3
▣Survivability2MOD.2
◇Fleet Status7MOD.7
- Completed151
- Active0
- Under Construction0
- Planned30
- Cancelled2
- Lost17
- Preserved4
03 / History
SERVICE LIFESPANStill in Service
- 1943Production started
- 1944Production ended
83
years in service
1
years in production
151
units produced
2
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
FRIGATES RANKING Frigates · World War II
MASS RANKINGSMASS ↗
ⓘ Rankings are within theFrigatescategory.
📖 TERMS ON THIS PAGE2terms
Anti-Submarine Warfare. Capability to detect, track, and engage submarines.
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