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Leopard-class anti-aircraft defence frigate
Photo: Peter Smith · Wikimedia Commons · CC BY-SA 3.0
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Leopard-classanti-aircraftdefencefrigate

Frigates · United Kingdom · 1957
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Leopard-classanti-aircraftdefencefrigate

Leopard-class anti-aircraft defence frigate
Leopard-class anti-aircraft defence frigate Photo: Peter Smith · Wikimedia Commons · CC BY-SA 3.0
* Absolute score — assessed within category · no era adjustment
Anti-Surface Capability
40
Air Defence
50
ASW Capability
30
Sensors
45
Versatility
35
Endurance
55
Survivability
60
Aviation
20
Technology
40
Cost-Effectiveness
65
Origin United Kingdom
ManufacturerJohn Brown & Company, William Denny and Brothers
CategoryFrigates
EraEarly Cold War
In service1957–1960
Operators4 countries
Quantity7
Data Quality87%
MASS(Military Archive Scoring System)
43
Frigates MASS Rating
19/26
Early Cold War
158/245
All-Time
Frigates · 10 axes scored
Anti-Surface Capability
40
Air Defence
50
ASW Capability
30
Sensors
45
Versatility
35
Endurance
55
Survivability
60
Aviation
20
Technology
40
Cost-Effectiveness
65
ⓘ Regardless of era, the same scoring system applies to all units in the frigates category.
01 / Overview
Leopard-class anti-aircraft defence frigate
Category
Production
1957–1960
Quantity
7
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
FRIGATES · EARLY COLD WAR
19
PERFORMANCE/PRICE
87
UNIT COST (2025 USD)
—
43
frigates category
ⓘ Performance/Price and MASS score are computed across all units in the frigates category, regardless of era.
02 / Specs & Design
◎Identification4MOD.4
  • Hull Classificationfrigate
  • Ship Typeanti-aircraft defence frigate
  • Ships in Class7
  • In ServiceYes
◈Displacement2MOD.2
  • Standard Displacement2,300 t
  • Full Load Displacement2,520 t
▣Dimensions3MOD.3
  • Length (overall)103.63 m
  • Beam12.19 m
  • Draft4.88 m
◇Complement1MOD.1
  • Total Complement235
◆Propulsion8MOD.8
  • PropulsionDiesel
  • Arrangement (CODAG/COGAG…)8 × Admiralty Standard Range ASR1 diesel engines, 2 shafts
  • Number of Engines8
  • Shaft Power10,737 kW
  • Shafts / Screws2
  • Top Speed24 kn
  • Range7,500
  • Nuclear-PoweredNo
▤Gun Armament4MOD.4
  • Main Gun2 × twin 4.5 in guns Mark 6
  • Main Gun Calibre114 mm
  • Main Gun Count4
  • Secondary Guns1 × twin 40 mm Bofors gun STAAG Mark 2, later; 1 × single 40 mm Bofors gun Mark 9
▲Underwater Warfare3MOD.3
◎Aviation5MOD.5
◈Sensors & Combat Systems5MOD.5
  • Air-Search RadarType 960 air search radar, Type 965 'AKE-1' air search radar
  • Surface / Fire-Control RadarType 293Q target indication radar, Type 993 target indication radar, Type 974 navigation radar, Type 277Q height finding radar
  • Phased-Array RadarNo
  • Aegis / EquivalentNo
  • Electronic WarfareYes
▣Survivability1MOD.1
◇Fleet Status6MOD.6
  • Completed7
  • Under Construction0
  • Planned8
  • Cancelled1
  • Lost0
  • Retired7
03 / History
SERVICE LIFESPANStill in Service
  1. 1957Production started
  2. 1960Production ended
69
years in service
3
years in production
7
units produced
3
countries operating
ⓘ The producing country still actively operates it. 1 countries retired it.
04 / Operators
Leopard-class anti-aircraft defence frigateSALES2records
YearBuyerQuantityAmountPresent Value (2025)
—Bangladesh2——
—India3——
ⓘ "Present Value" is an estimated amount adjusted for inflation.
📖 TERMS ON THIS PAGE4terms
Anti-Submarine Warfare. Capability to detect, track, and engage submarines.
Type of internal combustion engine fuel, refined from crude oil.
Military action involving the use of electromagnetic spectrum to disrupt, deceive, or destroy enemy electronic systems.
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
📖 ENCYCLOPEDIA Browse the Frigates entry →