Article Air Force Mag, avec le titre : Fighter Mission Capable Rates Fell in 2021
https://www.airforcemag.com/fighter-mis ... l-in-2021/
Mission capable rates dropped in 2021 for every Air Force fighter type except the A-10, reversing progress in 2020, according to data released to Air Force Magazine.
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The F-35A rate declined from 76.07 percent to 68.8 percent from 2020 to 2021 as an increasing number of F-35s came due for their first big engine overhauls. A shortage of engines has grounded about 40 F-35As over the past year, a level that the F-35 Joint Program Office predicts could hold for several years.
Still, the F-35A mission capable rate remained above that of 2019, when it was just 61.6 percent.
With operating costs disappointingly high, the Air Force has throttled back on new F-35A purchases until the more capable Block 4 version is ready and operating costs can be brought down to a more sustainable level. Congress has gone along, with members recognizing that adding airframes has only exacerbated a shortage of parts and made it harder to achieve objective mission capable rates.
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