An Air Force pilot was at the controls when an F-35B in short takeoff mode crashed at Kirtland Air Force Base, N.M., on May 29. The pilot ejected and suffered serious injuries but is in stable condition.
It’s hard to know why the F-35 Block 4 upgrade's cost—now $16.5 billion and rising—is going up because it is mixed with the rest of the program, the Government Accountability Office said in a new report.
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 ...
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.
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 ...
The government has cleared Pratt & Whitney to resume providing F135 engines to Lockheed Martin, but deliveries of some 21 F-35s completed but not yet handed over to government users is still on hold. Acceptance flights and deliveries of the all-up jets may resume the ...
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, ...
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 ...
The latest F-35 deal between the government and Lockheed Martin calls for 398 of the fighters to be delivered across production Lots 15-17; nearly 100 fewer fighters than in the last three-lot deal. Meanwhile, unit costs will increase because the newer jets are more sophisticated, ...
The Pentagon will soon decide whether to move ahead with a new engine for the F-35, and officials won’t simply table the issue indefinitely, Defense Department acquisition and sustainment chief William LaPlante said at an acquisition conference. He also said calls to break up the ...
The Air Force grounded its F-35A fighters to check for potentially faulty parts in the type’s Martin-Baker ejection seats. The move followed by a day the service's grounding of nearly half its T-38 supersonic trainers and about a sixth of its T-6A primary trainers for ...