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August 4, 2023, ©. Leeham News: This is a complementary article to Part 24. Single or dual aisle fuselage? It discusses in detail the drag and weight simulations we have done on different fuselage types for the next generation of "Heart of the Market" airliners.

When it comes to drag and weight for a 250-seat airliner that shall replace today’s Single Aisle, is a Single Aisle fuselage lower in drag and weight than a Dual Aisle fuselage?