Data Quality84%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the frigates category.
01 / Overview
João Belo-class frigate
Category
Country
Prime contractor
Production
1967–1967
Quantity
4
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
FRIGATES · COLD WAR
37
PERFORMANCE/PRICE
76
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
- Hull Classificationfrigate
- Ship Typefrigate
- Builder / ShipyardAC de Nantes, France
- Laid Down1965
- Commissioned1967
- Ships in Class4
- In ServiceYes
◈Displacement3MOD.3
- Light Displacement1,750 t
- Standard Displacement1,750 t
- Full Load Displacement2,250 t
▣Dimensions3MOD.3
- Length (overall)102.7 m
- Beam11.7 m
- Draft4.4 m
◇Complement1MOD.1
- Total Complement214
◆Propulsion9MOD.9
- PropulsionSteam Reciprocating
- Arrangement (CODAG/COGAG…)4x SEMT Pielstick V12 PC diesel engines, 2 shafts
- Number of Engines4
- Shaft Power11,931.2 kW
- Shafts / Screws2
- Top Speed26.6 kn
- Cruise Speed15 kn
- Range4,500
- Nuclear-PoweredNo
▤Gun Armament4MOD.4
- Main Gun3x Creusot-Loire 100mm/55 Mod 1953 naval guns
- Main Gun Calibre100 mm
- Main Gun Count3
- Secondary Guns2x Bofors 40mm/60 guns
⬢Missile Armament3MOD.3
▲Underwater Warfare4MOD.4
- Torpedo Tubes6
- ASW CapabilityYes
- Hull-Mounted SonarYes
- Towed Array SonarNo
◎Aviation5MOD.5
- Embarked Helicopters0
- HangarNo
- Flight DeckYes
- Fixed-Wing Aircraft0
- UAV CapabilityNo
◈Sensors & Combat Systems6MOD.6
- Air-Search RadarThomson-CSF DRBV 22A (D band)
- Surface / Fire-Control RadarThomson-CSF DR8V 50 (G band)
- Phased-Array RadarNo
- Aegis / EquivalentNo
- Electronic WarfareYes
- Decoy Launchers2x Loral Hycor Mk 36 SRBOC six-barrelled chaff launchers
▣Survivability3MOD.3
- CBRN CitadelNo
- Hull Materialsteel
- Stealth ShapingNo
◇Fleet Status8MOD.8
- Completed4
- Active0
- Under Construction0
- Planned4
- Cancelled0
- Lost0
- Retired4
- Preserved0
◆Armour1MOD.1
- Armournone
03 / History
SERVICE LIFESPANStill in Service
- 1964Sale: Portugal (4 units)
- 1967Production started
59
years in service
0
years in production
4
units produced
2
countries operating
04 / Operators
Operator Countries2country
João Belo-class frigateSALES2records
Portugal
Uruguayⓘ "Present Value" is an estimated amount adjusted for inflation.
05 / MASS Score
FRIGATES RANKING Frigates · Cold War
MASS RANKINGSMASS ↗
ⓘ Rankings are within theFrigatescategory.
📖 TERMS ON THIS PAGE5terms
Anti-Submarine Warfare. Capability to detect, track, and engage submarines.
Military action involving the use of electromagnetic spectrum to disrupt, deceive, or destroy enemy electronic systems.
The upper deck of an aircraft carrier, equipped for aircraft takeoff, landing, and maintenance operations.
Sonar system installed on the hull of a ship, used for underwater detection and navigation by emitting and receiving sound waves.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources