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Touch screen technology has experienced significant improvements recently, evolving to several solutions that are rugged enough to be introduced into the cockpit. A practical setup has been worked out consisting of four large PFD/MFD screens and two Touch Screen Control Units (TSCU's) which are positioned at the location of the classic CDU in the cockpit. All display surfaces have multi-touch capability. Apart from serving as a technology demonstrator, the setup will be used as a scientific test bed. The goal of this study is to identify the benefits and optimize the usage of multi-touch screens in a cockpit environment. The focus is on creating a more intuitive operation and increasing the situation awareness. To investigate and demonstrate this, dedicated touch screen gestures were implemented and specialized flight deck applications were developed that facilitate direct manipulation of the flight plan.