CAVS is an Airborne Surveillance Application (ASA) to assist pilots in maintaining own separation from a preceding aircraft during successive visual approach procedures by showing its position and additional data on a cockpit display. The data of the preceding aircraft is derived from ADS-B Out, received by the succeeding aircraft via ADS-B In and presented to the crew on a Cockpit Display of Traffic Information (CDTI) which can be integrated in the usual navigation displays (...)