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Tromp class



Overview


Tromp class

Forward view of Royal Netherlands navy Tromp class air defense frigate at sea.
Source: Nederlands Instituut voor Maritieme Historie - © Public domain

Origin
Netherlands
Type
Frigate
Service life
1975 - 2001
Status
Out of service
Development
1966 - 1969
Developer
Netherlands
Production
1971 - 1976
Producer
Netherlands - De Schelde, Flushing
Number produced
2
Designations
F801 (lead pennant)
Kojak (nickname)
Notable users
Netherlands

Details


Facts Tromp class
General
Origin
The Netherlands
Type
Air defense frigate
Complement
306
Dimensions
Displacement
4.305 t full load
3.665 t standard
Length
133.2 m
Beam
14.8 m
Draft
4.6 m hull
6.6 m sonar dome
Propulsion
Arrangement
COGOG
Machinery
2x Rolls-Royce Olympus TM3B
2x Rolls-Royce Tyne RM1C
Power output
54.000 shp for both Olympus combined
8.200 shp for both Tyne combined
Propulsion
2 shafts, 5-blade variable pitch propeller
Generators
4x 1.000 kW Paxman Valenta RP-200 12-cylinder diesel
Mobility
Speed
28 knots (30 during trials)
Range
5.000 nm at 18 knots
Sensors
Air and surface search
1x AN/SPS-01 3D radar
Fire control radar
2x AN/SPG-51C (for RIM-66 Standard)
Fire control radar
1x Signaal WM-25 (for gun and RIM-7 Sea Sparrow)
Navigation radar
2x Racal Decca 1226
Sonar
CWE-610 hull mounted
Sonar
Type 162 towed array
Systems
Combat data system
SEWACO I
Communication
Link 10
Link 11 (added 1984-85)
SATCOM (added 1988-89)
Electronic warfare
RAMSES intercept and jammer
Decoys
4x 6-tube Mk 137 SRBOC chaff launcher
Guns
Dual purpose
1x2 120mm Bofors M1950
CIWS
1x 30mm Goalkeeper
SSM
Anti-ship
2x4 Mk 141 for RGM-84 Harpoon
SAM
Medium range
Mark 13 Mod 4 GMLS for RIM-66 Standard SM-1MR, 40 missiles in magazine
Short range
Mark 29 octuple launcher for RIM-16 Sea Sparrow, 16 missiles total
ASW
Torpedo tubes
2x3 Mk 32 for Mk 46 Mod 5 NEARTIP
Aircraft
Facilities
Hangar and flight deck for 1 medium helicopter
Supported types
Lynx

Media


Subcomponents


120mm Bofors M1950

A single twin gun 120mm Bofors dual purpose gun is located on the bow. These turrets were reused from the Holland class.

Mark 13 GMLS

A Mark 13 Mod 4 GMLS single arm launcher was mounted on the rear superstructure. The below deck magazine holds 40 missiles.

RIM-66 Standard SM-1MR

The Mark 13 GMLS launches the Standard medium range surface to air missiles. All 40 missiles in the magazine were SM-1MR.

Mk 29 IBPDMS

Close range air defense was provided by the octuple launcher for the RIM-7 Sea Sparrow missile. The launcher was located between the main gun and the bridge. Additional missiles were stored inside.

30mm Goalkeeper

A single 30mm Goalkeeper close-in weapon system provides last ditch protection from inbound anti-ship missiles.

RGM-84 Harpoon

Two quad Mk 141 launchers are mounted amidships for the Harpoon subsonic sea skimming anti-ship missile.

Mk 46

Two Mark 32 triple tube launchers for Mk 46 Mod 5 NEARTIP lightweight torpedoes are mounted amidships.

Related articles


De Zeven Provinciën class

The two vessels of the Tromp class were replaced by the De Zeven Provinciën-class air defense frigates. A total of four new frigates have been built, including two also named Tromp and De Ruyter.

Holland class

The 120mm Bofors gun turrets of the Tromp class came from the Holland class and were refurbished before installation.