Congress should direct the Pentagon to break out the F-35’s propulsion upgrade from the rest of the program to better to track its scope, schedule, and cost, the Government Accountability Office urged in a new May 30 report. Meanwhile, engine-maker Pratt & Whitney added its ...
Pratt & Whitney
Lockheed Martin is again delivering F-35s after a three-month hiatus, following a back-to-flight approval on March 8. Investigators continue to plumb the cause of a Dec. 14, 2022 crash and implement a fix to an issue with the F135 engine. The first aircraft delivered after ...
The Air Force couldn't find a place for Adaptive Engine Technology Program powerplants on the F-35 in its fiscal 2024 budget request, opting to harvest what it can from its $4 billion investment and press on to the Next-Generation Advanced Propulsion program.
Lockheed Martin restarted flying operations at its Fort Worth, Texas, facilities March 6, paving the way for deliveries of F-35s to resume after a nearly three-month hiatus. It's not yet clear when the first new F-35 of 2023 will be delivered.
The looming decision on the future of the F-35’s engine—Pratt & Whitney’s F135—has fostered plenty of debate, with some suggesting the F135 should be completely replaced with a new engine through the Adaptive Engine Transition Program (AETP), while others say integrating a new adaptive engine into...
The entire F-35 fleet is slated to get the retrofit engine maker Pratt & Whitney has identified to mitigate the problem that led to suspended deliveries and flight restrictions for some aircraft for nearly two months—a move that will affect hundreds of fighters globally. The decision ...
Pratt & Whitney has developed a fix for F135 engines afflicted with “harmonic resonance,” which should only take 30 minutes per affected engine to correct, company officials said. Deliveries of the engine, which powers the F-35 Lightning II stealth fighter, resumed Feb. 18 after nearly ...
If the Air Force and Pentagon decide the F-35 fighter needs an all-new engine, it wouldn’t just give the jet range and performance improvements—it would drive a refresh of the entire fighter propulsion industrial base, a GE Aerospace official claimed Feb. 16. Competitor Pratt & ...
A month after F-35 fighter deliveries were halted pending an investigation into a Dec. 14 crash, Pratt & Whitney said it has a fix in hand that will allow deliveries to resume by the end of February. The problem had to do with harmonic resonance, ...
Lockheed Martin is finishing but not delivering F-35 fighters, pending results of a Navy investigation into a recent F-35B crash, company officials said on their quarterly results call. They also revealed heavy charges against the hypersonic AGM-183 ARRW missile program and said the company's classified ...
Fallout from the Dec. 15 crash of an F-35B is widening, as the Joint Program Office revealed deliveries of new F135 engines for all F-35 fighters were halted on Dec. 27—while deliveries of newly completed F-35 fighters were stopped the day of the crash. Deliveries ...
Pratt & Whitney would like to keep its monopoly on supplying powerplants for the F-35 fighter fleet and is pushing for the government to choose an upgrade of the F135 engine instead of an all-new adaptive engine, which it said would be far more costly ...
