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Bristol-class frigate
Photo: U.S. Navy photo by Mass Communication Specialist 2nd Class Lewis S. Hunsaker · Wikimedia Commons · Public domain Use of this image does not imply endorsement by the U.S. Department of Defense (DoD).
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Bristol-classfrigate

Frigates · 1861
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Bristol-classfrigate

Bristol-class frigate
Bristol-class frigate Photo: U.S. Navy photo by Mass Communication Specialist 2nd Class Lewis S. Hunsaker · Wikimedia Commons · Public domain Use of this image does not imply endorsement by the U.S. Department of Defense (DoD).
MASS (Military Archive Scoring System) 27
* Absolute score — assessed within category · no era adjustment
Anti-Surface Capability
30
Air Defence
10
ASW Capability
5
Sensors
15
Versatility
40
Endurance
60
Survivability
50
Aviation
0
Technology
20
Cost-Effectiveness
85
Methodology ↗ → Frigates ranking
ManufacturerHMNB Portsmouth, Woolwich Dockyard
CategoryFrigates
EraPre-WWI / Industrial Age
In service1861
Operators3 countries
⬇ Overview
⚙ Specs
⊕ History
⊕ Operators
⚖ MASS Score
📚 Sources
Data Quality86%
MASS(Military Archive Scoring System)
⊟ Frigatesranking ↗methodology ↗
27
Frigates MASS Rating
15/56
Pre-WWI / Industrial Age
198/245
All-Time
Frigates · 10 axes scored
Anti-Surface Capability
30
Air Defence
10
ASW Capability
5
Sensors
15
Versatility
40
Endurance
60
Survivability
50
Aviation
0
Technology
20
Cost-Effectiveness
85
ⓘ Regardless of era, the same scoring system applies to all units in the frigates category.
01 / Overview
Bristol-class frigate
Category
Frigates
Prime contractor
HMNB Portsmouth, Woolwich Dockyard
Production
1861–
Operators
3 countries
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
FRIGATES · PRE-WWI / INDUSTRIAL AGE
15
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
MASS SCORE ↗
27
frigates category
ⓘ Performance/Price and MASS score are computed across all units in the frigates category, regardless of era.
02 / Specs & Design
03 / History
SERVICE LIFESPANRetired
  1. 1861Production started
165
years in service
0
countries operating
ⓘ 3 countries retired it.
04 / Operators
Operator Countries3country
AustraliaRETIREDBrazilRETIREDUnited KingdomRETIRED
Frigates Pre-WWI / Industrial Age HMNB PortsmouthWoolwich Dockyard
📚 Sources
📖 ENCYCLOPEDIA Browse the Frigates entry →