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With resources and energy focused on returning the 737 Max to service and getting the delayed 777X airborne and into flight testing, Boeing is freezing efforts to develop of an ultra-long range follow-on to the 777-9.
The move is an about-face from Boeing, which earlier in the spring had been revising the specifications of the 350-seat 777-8 for ultra-long range operations and laying the groundwork for an eventual 777X freighter, based on the 777-8. The aircraft had been originally due for service by 2022, following the arrival of the 777-9 in 2020.