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Slashdot: US Air Force Grounds Most of Its F-35 Fighter Jets Over Ejection Seat Concerns

US Air Force Grounds Most of Its F-35 Fighter Jets Over Ejection Seat Concerns
Published on August 01, 2022 at 01:59AM
The F-35 stealth-combat aircraft is the "crown jewel" of America's Air Force fight fleet, according to the defense news site Task & Purpose. But Friday they were all grounded — "sidelined for an indeterminate amount of time as the service inspects most of its F-35 fighter jet ejection seats for faulty launch cartridges, service officials said..." The news marks the latest difficult headline for the beleaguered fighter, which U.S. military officials have placed at the forefront of their airpower strategy despite a long list of maintenance issues. Air Combat Command, the Air Force command which oversees the bulk of the service's fighter fleet, made the decision to ground its F-35s on Friday after other units of the Air Force and Navy grounded many of their aircraft due to concerns over faulty parts which could prevent the pilot ejection seat from launching out of the cockpit in an emergency. Air Combat Command spokesperson Alexi Worley said that the command started a 90-day inspection period of all cartridges on its F-35 ejection seats on July 19. "Out of an abundance of caution, ACC units will execute a stand-down on July 29 to expedite the inspection process," Worley said. "Based on data gathered from those inspections, ACC will make a determination to resume operations." Worley later added that the stand-down "will continue through the weekend, and a determination to safely resume normal operations is expected to be made early next week, pending analysis of the inspection data." Many jet aircraft in the U.S. military are equipped with ejection seats made by the company Martin-Baker, which notified the Navy about potential defects earlier this month, according to Breaking Defense, which first reported the F-35 grounding story on Friday. The problem part is the cartridge actuated device, an explosive cartridge that helps launch the ejection seat out of an aircraft. Martin-Baker identified certain production lots of cartridge actuated devices as being defective and in need of replacement, the Air Force told Breaking Defense. "While the aircraft are flyable, I don't think too many pilots would be willing to fly knowing they may not be able [to] eject," Michael Cisek, a senior associate at the aviation consulting firm AeroDynamic Advisory, told Breaking Defense.... America's allies may also be affected by the issue. On Wednesday, Breaking Defense reported that the Navy had informed foreign military sales customers about the issue and was working with them to resolve it.

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