The project aims to improve air navigation safety and more efficient air traffic management and concerns the supply and installation of voice communication and recording systems (VCRS) to serve the needs of Air Traffic Services (ATS):- At 5 international airports (Corfu, Rhodes, Kos, Thessaloniki, Heraklion).- At 13 regional airports (Alexandroupolis, Kavala, Lemnos, Samos, Chios, Aktio, Ioannina, Skiathos, Milos, Karpathos, Paros, Kalamata, Sitia).- The Centre for Controls/Tests (Centre for Electronic Applications and Major Maintenance — KEMS) of the Civil Aviation Authority.