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By Bjorn Fehrm

Introduction

September 5, 2019, ©. Leeham News: Last week, we examined how a longer-range model of Boeing’s 787-10 would look like. We designed a 787-10ER version (ER for Extended Range) by increasing the Maximum TakeOff Weight of the aircraft. We also did some other adjustments to accommodate the increased weight.

We now compare the resulting aircraft with its nearest competitor, the Airbus A350-900. How would a 787-10ER stack up against an A350-900?

Summary:

• A 787-10ER is a narrower aircraft with a smaller wing than an A350-900. This affects passenger comfort but it also gives a lighter aircraft with less wetted area.
• The later generation engines on the A350-900 closes the difference in operating costs depending on how the aircraft is operated.