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By Bjorn Fehrm

May 2, 2024, © Leeham News: We are doing an article series comparing the capabilities of the Airbus A350-1000 and the Boeing 777-9. We looked at the development history of the aircraft and then their capability and fuel economics.

We could see that the 777-9 is trailing the A350-1000 in payload range, partly because we compare the base version of the 777-9 with a further developed A350-1000. Now, we investigate what the 777-9 performance would be should we include a typical future development of the Maximum TakeOff Weight (MTOW).

Summary:

• The A350-1000 has a clear payload-range advantage over the standard 777-9.
• With an in-service Maximum TakeOff Weight (MTOW) development like the A350-1000, the difference is reduced.