Patent ID: 7395989

Claim:
An aircraft fuselage, comprising: an outer skin; and a single continuous main deck separating an interior space of the aircraft fuselage longitudinally into a first space above said single continuous main deck and a second space below said single continuous main deck, wherein at least one portion of the first space is divided into at least three longitudinal zones by a plurality of substantially vertical walls, said at least three longitudinal zones including at least one central zone and at least two lateral zones, wherein the at least one central zone is divided into three sectors, said three sectors including a front sector, a central sector, and a rear sector, wherein the at least two lateral zones include a first plurality of seats attached, either directly or indirectly, to the at least one main deck in a first lateral zone configuration, and are free of said plurality of seats in a second lateral zone configuration, wherein said front sector and said rear sector of the at least one central zone is configured to hold only freight, wherein freight does not include passengers, and wherein said central sector of the at least one central zone includes a second plurality of seats attached, either directly or indirectly, to the at least one main deck in a first central sector configuration, and is free of said second plurality of seats in a second central sector configuration.