Abstract: An air terminal building consisting of an arrival hall and a departure hall and one waiting hall possibly commonly used by both departing and arriving passengers. These halls are situated on separate above each other located levels and with the waiting hall on the top of the other levels and extending principally along the whole periphery of the building. The arrival and departure halls are located in the central portion of the building. The central portion also contains a baggage hall located between the arrival and the departure halls and commonly used for arriving and departing baggage and with direct access to the platform for the airplanes. The halls located in the center of the building are surrounded by wall elements which include therein or therebetween, all principal shafts necessary for the provision of and communication between the separated levels of the building, i.e. shafts for the installation of heating, water, sanitation, electricity and ventilation, lifts, escalators and others.