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07 November 2012
How many seats will have the A350-900? Not an easy answer.
Boeing and Airbus are constantly modifying –increasing- the number of seat per aircraft to show better economics in comparative charts. As higher number of seat, lower block fuel burn per seat, thereby affecting the relative seat-mile and relative trip cost calculations.
Airbus increasing the number of seats.
Airbus’ latest airplane characteristics document -A350-900 Preliminary Data. Airplane characteristics for airport planning- lists the A350-900 accommodating 315 passengers in a standard 2-class configuration while it continues to advertise the A350-900 with flying 314 passengers in a standard 3-class configuration.
Boeing, on the other hand, lists the A350-900 as being able to carry 299 passengers in a standard 3-class configuration. With this figure, Boeing puts the 787-10X as having an around 4% lower relative trip cost and an around 8% lower relative seat-mile cost than the 299-seat Airbus A350-900 on a 6,000nm mission.
Boeing makes the same thing.
Boeing charts used to have the 787-8 at 210 seats, but have grown their three class estimates to 241 for the same model, despite ANA having 157 seats and JAL 186 seats on their aircraft (largely because early models are grossly overweight, and they could be payload constrained).
Based on article “Launch of Boeing 787-10X has implications on 777X programme” published in Aspire