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22 September 2023
by Akhil Kadidal
The Royal Australian Air Force (RAAF) Lockheed Martin F-35As are scheduled to receive the TR-3 upgrade, which requires additional cooling for some of the aircraft’s subsystems. This photo shows an RAAF F-35A with Japan Air Self-Defense Force (JASDF) Boeing-Mitsubishi F-15Js during Exercise ‘Bushido Guardian’ in September 2023. (Commonwealth of Australia)
Honeywell is developing a cooling upgrade to its power and thermal management system (PTMS) to support avionics enhancements for the Lockheed Martin F-35 Lightning II fifth-generation fighter aircraft.
Matt Milas, president of Honeywell Aerospace’s defence and space business unit, told
Janes
that an initial 2 kW PTMS upgrade will be rolled out in 2024 and will support the ‘Technology Refresh 3′ (TR-3) standard and early Block 4 enhancements for the F-35. Australia is expected to be an early beneficiary of the upgrade. South Korea is also expected to receive the upgraded PTMS. On 13 September the US State Department announced a possible sale of up to 25 F-35As to South Korea.
Janes
earlier reported that these aircraft are very likely to be Block 4 aircraft, with acquisition to be completed by 2028.
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