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AETP

Congress Wants AETP Engines to be Installed in All F-35As Starting in 2027

Dec. 8, 2021 | By John A. Tirpak
Congress wants new engines in the F-35 fleet, with installs starting in 2027, according to language in the conference version of the 2022 National Defense Authorization Act. The Air Force is to use at least one of the engines developed under the Advanced Engine Transition ...
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Re-Engining the F-35: How GE’s AETP Could Boost Speed, Payload, and Range

Nov. 1, 2021
Fighter jet engines are an inherent compromise. If you want more power, you pay by giving up range. Want more range? It's going to cost you in power. Each generation of jet engines has dealt with this unbreakable rule. But maybe there really is another ...

Pratt Testing XA101 Adaptive Engine, Has Two Offerings for F-35 Propulsion

Oct. 1, 2021 | By John A. Tirpak
Pratt & Whitney is testing its Adaptive Engine Technology Program XA101 powerplant and has already demonstrated the objective goals for the program, company military engines president Matthew Bromberg said. He estimates that up to 70 percent of the technology could be fitted to improve fighter ...

Air Force Wants New Engine for F-35—If It’s Affordable

Sept. 21, 2021 | By John A. Tirpak
The Air Force wants to use propulsion developed under the Adaptive Engine Technology Program in the F-35A but may not be able to afford doing so on its own if the Navy doesn't also underwrite some of the integration effort, Department of the Air Force ...

Adding New AETP Engine to F-35 Means Air Force Alone Would Pay for It

Sept. 15, 2021 | By John A. Tirpak
The Air Force would have to bear the full development and integration cost of putting new Adaptive Engine Technology Program engines in its F-35 fleet because the other services can’t fit the powerplants in their versions of the fighter, F-35 Program Executive Officer Lt. Gen. ...

New $6.6 Billion F-35 Sustainment Contract Paves Way for Performance-Based Logistics Deal

Sept. 14, 2021 | By John A. Tirpak
A new F-35 sustainment contract to Lockheed Martin “paves the way” toward a performance-based logistics contract that the company has been angling for since 2019 and is worth $6.6 billion if all options are exercised. But all bets are off about hitting the Air Force’s ...

Pratt Pushes Alternative to New Adaptive Engine for F-35

Sept. 9, 2021 | By John A. Tirpak
Modifications Pratt & Whitney is proposing to its F135 engine can improve thrust and efficiency and would be far less costly than giving the F-35 fighter a new powerplant developed through the Adaptive Engine Transition Program, the engine maker said.
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