Knox-class frigate vs Moudge-class frigate

FORCETALLY

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Knox-class frigate — licensed reference photograph

AWarships

Knox-class frigate

Ocean escort (1964–1975) Frigate (1975–1994)

Credit

panza.rayada · CC BY-SA 3.0 · Resized · CC BY-SA 3.0 · Source ↗ · Modified

BWarships

Moudge-class frigate

Frigate

Credit

Tasnim News Agency · CC BY 4.0 · Resized · CC BY 4.0 · Source ↗ · Modified

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

Knox-class frigateLength

134 m

Length source ↗

Moudge-class frigateLength

95 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Knox-class frigatelarger figure on 2 of 3

Length+41%
Beam+28%

Moudge-class frigatelarger figure on 1 of 3

Speed+11%

Counts only measures both sources give with the same scope. A larger figure is not a better system.

Measured figures

Head to head

19 of 32 rows sourced on both sides

134m

95m

Length+41%

All recorded figures & sources

134 m

Length

Single source

438 ft (134 m)^[source]

95 m

Length

Single source

Configuration

Details

Knox-class frigate and Moudge-class frigate configuration
Specification	Knox-class frigate	Moudge-class frigate
Builders	Todd Shipyard , Seattle and San Pedro Lockheed Shipbuilding and Construction Company Avondale Shipyard^[source]	Iranian Navy's Factories Marine Industries Organization^[source]
Operators	United States Navy Republic of China Navy Egyptian Navy Hellenic Navy Mexican Navy Royal Thai Navy Turkish Naval Forces^[source]	Islamic Republic of Iran Navy^[source]
Preceded by	Garcia class^[source]	Alvand class^[source]
Subclasses	Baleares class Allende class Phutthayotfa Chulalok class

Built	1965–1974^[source]	2001–present^[source]

In commission	1969–1994 (USN)^[source]	—

Planned	55^[source]	7^[source]

Completed	46^[source]	6^[source]

Canceled	9^[source]	—

Active	2 (Egypt) 5 (Taiwan)^[source]	0?^[source]

Retired	46 (USN), some were transferred to other countries where they are in active service^[source]	—

Preserved	2^[source]	—

Type	Ocean escort (1964–1975) Frigate (1975–1994)^[source]	Frigate^[source]

Propulsion	1 × Westinghouse steam turbine 1 × shaft^[source]	—

Sensors & processing systems	AN/SPS-10 Surface Search Radar AN/SPS-40 Air Search Radar AN/SPS-67 Surface Search Radar AN/SQS-26 active/passive Sonar AN/SQS-35 active/passive towed Sonar AN/SQR-18 Towed array sonar system AN/SPG-53 Mk68 Gun Fire Control System^[source]	Asr 3D PESA long-range radar^[source]

Electronic warfare & decoys	As Built AN/WLR-1C – AN/ULQ-6C and AN/SLA-15 (Comprising AN/SLQ-26 System) AN/SLQ-32 Electronics Warfare System and Mark 36 SRBOC^[source]	2 × 8 tube chaff launcher^[source]

Armament	As built: 1 × 5 in (127 mm)/54 caliber Mark 42 gun 1 × Mk-16 8–cell ASROC launcher 2 × dual Mark 32 Mark 46 torpedo launchers First refit: 1 × Mk-25 8–cell RIM-7 Sea Sparrow (BPDMS) (DE-1052–1069 and 1071–1083) 1 × Mk-29 8–cell RIM-7H Improved Sea Sparrow (IBPDMS) (DE-1070) Mk-16 2 cells converted to launch HARPOON Second refit: 1 × Phalanx CIWS (RIM-7/7H Sea Sparrow removed)^[source]	Naval guns 1 × 76 mm Fajr-27 naval gun 1 × 40 mm Fath-40 AAA or 1 × 30mm Kamand CIWS 2 × 20 mm cannons Oerlikon 2 × 12.7 mm heavy machine guns Surface to air missiles 4 × Mehrab SAM , a naval version of the Sayyad-2 or 4 × Sayyad-3 SAM Anti-ship missiles 4 × Noor or Qader anti-ship missiles (Some ships are equipped with 8 anti-ship missiles) Anti-submarine warfare 2 × triple 324 mm torpedoes^[source]