 It may also be used at night time and during low visibility to monitor the movement of aircraft and vehicles.Surface movement radar is the term accepted by ICAO, but it has historically been known by other names such a ground movement radar, airport surface detection equipment (ASDE) and airfield surface movement indicator.SMR is typically presented as a video blip, overlaid onto a plan view map of the airport showing features such as the runways and taxiways, grass areas and buildings.