Patent ID: 8302312

Claim:
A method for producing a fuselage airframe of an aircraft, wherein a plurality of fuselage sections positioned in tandem is joined together, said method comprising the steps of: a) production of an outer skin segment, the outer skin segment having a continuous longitudinal opening on the underside wherein a cross section of the outer skin segment forms an approximately circular curve of greater than 180°, b) widening the outer skin segment in order to introduce at least one floor frame into the outer skin segment, c) joining the outer skin segment to a rigid fuselage section which is already present by formation of a partial transverse seam, d) positioning a prefabricated lower shell in the longitudinal opening, in order to close the outer skin segment on the underside, e) completing the partial transverse seam to form a transverse seam and joining the lower shell together with the outer skin segment by formation of at least two longitudinal seams, and f) joining the floor frame together with the outer skin segment.