A ground station for working in an air-ground network for air-to-ground and ground-to-air communication, the air-ground network including at least an air navigation service provider remote station, a first airline remote station, and a second airline remote station, the ground station comprising: - a first communication interface connectable to the first airline remote station configured for providing for a first segregated data flow for Airlines Operational Communication message exchange between the ground station and the first airline remote station; - a second communication interface connectable to the air navigation service provider remote station configured for providing for a second segregated data flow for Air Traffic Control message exchange between the ground station and the air navigation service provider remote station; - a third communication interface connectable to the second airline remote station configured for providing for a third segregated data flow for Airlines Operational Communication message exchange between the ground station and the second airline remote station; - means configured for establishing (35d, 35e) a broadcast wireless communication channel (39, 40) of VDL mode 2 type for air-to-ground and a ground-to-air communication; - means configured for establishing (35d; 35f; 35g), over said broadcast wireless communication channel, a first communication data link with a first aerial vehicle, the first communication data link being a VDL mode 2 digital data link; - means configured for establishing (35e; 35f; 35g), over said broadcast wireless communication channel, a second communication data link with a second aerial vehicle, the second communication data link being a VDL mode 2 digital data link; - means configured for exchanging (35b, 35d, 35e), using said first and second communication data link (39, 40), Air Traffic Control messages between the air navigation service provider remote station and the first and, respectively, the second aerial vehicle (2, 3); - means configured for exchanging (35a, 35d; 35f; 35g), using said first communication data link, Airlines Operational Communication messages between the first airline remote station and the first aerial vehicle; and - means configured for exchanging (35c, 35e; 35f; 35g), using said second communication data link, Airlines Operational Communication messages between the second airline remote station and the second aerial vehicle. - a first communication interface connectable to the first airline remote station configured for providing for a first segregated data flow for Airlines Operational Communication message exchange between the ground station and the first airline remote station; - a second communication interface connectable to the air navigation service provider remote station configured for providing for a second segregated data flow for Air Traffic Control message exchange between the ground station and the air navigation service provider remote station; - a third communication interface connectable to the second airline remote station configured for providing for a third segregated data flow for Airlines Operational Communication message exchange between the ground station and the second airline remote station; - means configured for establishing (35d, 35e) a broadcast wireless communication channel (39, 40) of VDL mode 2 type for air-to-ground and a ground-to-air communication; - means configured for establishing (35d; 35f; 35g), over said broadcast wireless communication channel, a first communication data link with a first aerial vehicle, the first communication data link being a VDL mode 2 digital data link; - means configured for establishing (35e; 35f; 35g), over said broadcast wireless communication channel, a second communication data link with a second aerial vehicle, the second communication data link being a VDL mode 2 digital data link; - means configured for exchanging (35b, 35d, 35e), using said first and second communication data link (39, 40), Air Traffic Control messages between the air navigation service provider remote station and the first and, respectively, the second aerial vehicle (2, 3); - means configured for exchanging (35a, 35d; 35f; 35g), using said first communication data link, Airlines Operational Communication messages between the first airline remote station and the first aerial vehicle; and - means configured for exchanging (35c, 35e; 35f; 35g), using said second communication data link, Airlines Operational Communication messages between the second airline remote station and the second aerial vehicle.