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By Bjorn Fehrm

June 20, 2024, © Leeham News: We do an article series about the all-important cabin for an airliner. We have looked at different airliners and their cabins and how the seating differs widely depending on what market and customer segments the aircraft addresses.

If an aircraft is configured for the domestic market the seating increases by almost 50% compared with an international long-range aircraft.

We now look at what cabins to use for aircraft economic evaluations. These are not necessarily the same cabins that an airline would later use after selecting an airliner type.

Summary:

• The evaluation cabin must not be the same as the cabins the airline plans to use.
• Evaluation cabins are designed to minimize the skew that OEMs can introduce by making cabin rules fit "their" candidate especially well.