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Air Data NewsRicardo Meier

Boeing nears 737 MAX 10 certification as Lufthansa orders 20 and military interest emerges

Boeing says the 737 MAX 10 has completed flight testing and needs three remaining company deliverables before FAA certification. The milestone is supporting fresh commercial demand, including Lufthansa’s 20-aircraft purchase-option exercise and a potential 150-jet Turkish Airlines deal, while the U.S. Air Force considers a militarized C-40 variant.

2026-09-16T23:45:37.954525-07:00

777X

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Leeham News

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Boeing expects 777X certification to slip into 2026

Boeing has acknowledged that certification of the long-delayed 777X is likely to move into next year, extending uncertainty around the program’s entry into service. The disclosure reinforces concerns about the timeline for completing the aircraft’s certification and advancing its commercial launch.

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Reuters

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GE Aerospace says GE9X mid-seal issue will not delay Boeing 777X entry into service

GE Aerospace CFO Rahul Ghai said a durability issue affecting the GE9X engine’s mid-seal is not expected to delay the Boeing 777X’s planned entry into service next year. The statement provides a measure of confidence in the engine and aircraft certification timeline despite the unresolved technical issue.

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Air Data News

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Boeing nears 737 MAX 10 certification as Lufthansa orders 20 and military interest emerges

Boeing says the 737 MAX 10 has completed flight testing and needs three remaining company deliverables before FAA certification. The milestone is supporting fresh commercial demand, including Lufthansa’s 20-aircraft purchase-option exercise and a potential 150-jet Turkish Airlines deal, while the U.S. Air Force considers a militarized C-40 variant.

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Reuters

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Boeing says 737 MAX output remains below 47 per month as wing production and strike risk threaten recovery

CEO Kelly Ortberg said Boeing’s 737 MAX production is taking longer than expected to stabilize at 47 aircraft per month, with wing manufacturing at Renton constraining the line. A potential SPEEA engineers’ strike could further slow 737 production and halt 777-9 certification work, though Boeing maintained its 2027 777X delivery target.

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Leeham News

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Boeing advances another SPEEA offer as it seeks to avoid strike disrupting 737 MAX ramp-up and 777X, MAX 10 certification

Boeing is advancing another contract offer to the Society of Professional Engineering Employees in Aerospace as it works to avert a strike. The company is highly motivated to protect its slow 737 MAX production recovery and maintain certification progress on the MAX 10 and 777X.

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Dive into the world of the Boeing 777X, the aerospace giant's newest marvel in wide-body commercial aviation. Our coverage brings you a comprehensive look at the 777X's journey, from groundbreaking design features like folding wingtips and powerful GE9X engines to its anticipated role in reshaping global air travel. Stay abreast of the latest test flights, certification milestones, and airline industry responses as we track the progress and performance of this next-generation airliner.