Aircraft structure

An aircraft structure which extends along a longitudinal axis, a lateral axis and a vertical axis, the aircraft structure comprising:

• an upper shell and a lower shell that together surround an interior compartment for accommodating an aircraft cabin;
• a pillar arrangement having at least one support pillar which extends through the interior compartment and connects the upper shell to the lower shell, wherein the at least one support pillar extends parallel to the vertical axis in a longitudinal central plane defined by the longitudinal axis and the vertical axis and supports the upper shell in relation to the lower shell in a central and symmetrical position;
• wherein one or more of the at least one support pillar comprises:
• a support structure that connects the upper shell to the lower shell for transmitting loads between the upper shell in relation to the lower shell along the longitudinal central plane;
• and
• a pipe structure arranged within an interior of the support pillar which has at least one flow duct for the conduction of air-conditioned air that extends within the interior of the support pillar.