The purpose of this abstract is to explain the economic advantages and the technical aspects of my invention which will enable airplanes ad other vehicles to alter their configuration from passenger to cargo purposes (and vice versa) at any point of destination.This target is achieved by a special pallet with foldable seats. These seats can serve passengers in one way, or can be stored on the plane, thus enabling the transport of cargo from any airport.The invention has received Patent rights in the U.S.A. (No. 4,005,900) and in Israel (No. 51004 and 44520). The Patent is pending in Germany (No. P.29-50-487.8).