Propulsion decision for Constellation-class frigates
Turbines selected for key USN programme that will deliver new fleet of frigate to the service
GE Marine has been selected to provide its LM2500+G4 gas turbine and control system for the USN’s future Constellation-class frigate, it was announced on 16 December.
Based on Fincantieri’s FREMM frigate design in service with the Italian Navy, the Constellation class will feature the same gas turbine in a CODLAG propulsion configuration throughout the first ten-ship constructed under the USN’s FFG(X) programme.
The LM2500+G4 marine gas turbine was introduced in 2012 with the commissioning of the French Navy's FREMM multipurpose frigate Aquitaine, which was also a ten-ship programme. Since then, the LM2500+G4 has been selected for the Italian Navy's FREMM frigates and Pattugliatori Polivalenti d'Altura multipurpose offshore patrol ships; the first of seven PPA's will be commissioned in 2021.
As part of our promise to deliver comprehensive coverage to our Defence Insight and Premium News subscribers, our curated defence news content provides the latest industry updates, contract awards and programme milestones.
More from Naval Warfare
-
![BMT and DNV partner to meet Australia’s heavy landing craft requirement]()
BMT and DNV partner to meet Australia’s heavy landing craft requirement
Under Project Land 8710 Phase 2, Australia has been seeking to acquire an undisclosed number of Littoral Manoeuvre Vessels to replace the Balikpapan-class. The programme has an estimated value of AU$1.4 billion (US$910 million), with IOC slated for 2032.
-
![Babcock to take over upkeep of Royal Navy Type-23 frigates]()
Babcock to take over upkeep of Royal Navy Type-23 frigates
The Royal Navy’s Type-23 Duke-class frigates for the UK Royal Navy were designed as anti-submarine warfare (ASW) ships but now have a multi-role function. Of the 16 Type 23s built, 12 remain in service with the Royal Navy and will be replaced by the Type-26 frigates before 2035.
-
![Austal completes autonomy trials with former Royal Australian Navy patrol boat]()
Austal completes autonomy trials with former Royal Australian Navy patrol boat
The work took place under the Patrol Boat Autonomy Trial (PBAT), which has been a collaboration between Austal, Greenroom Robotics, the Trusted Autonomous Systems Defence Cooperative Research Centre and the Royal Australian Navy’s (RAN) Warfare Innovation Navy Branch.
-
![Singapore launches fourth and final Type 218SG submarine]()
Singapore launches fourth and final Type 218SG submarine
The era of southeast Asian submarine modernisation has been in full swing fuelled by growing tensions in the South China Sea.
-
![Keel laid for third Hellenic Navy frigate as harbour trials start for first]()
Keel laid for third Hellenic Navy frigate as harbour trials start for first
On 24 March 2022, Greece and Naval Group have signed a contract for three defence and intervention (FDI) frigates. Two warships will be due for delivery in 2025 and the third expected the following year, with the deal including an option to add a fourth frigate to be ready in 2027.
-
![US senators raise Russian concerns over unprepared Coast Guard fleet]()
US senators raise Russian concerns over unprepared Coast Guard fleet
US Congress senators have warned that the US Coast Guard’s fleet cannot protect Arctic waters against Russian naval capabilities.
