surveillance radar approach, SRA, surveillance approach, surveillance radar approach, airport surveillance radar approach, approach surveillance radar, RAD, SAR, ASR, surveillance approach radar, surveillance radar, aviation surveillance radars, operations of surveillance radars, secondary surveillance radar equipment, surveillance radars, aerodrome surveillance radar, airport surveillance radar, approach surveillance radar rating, ground controlled approach, radar approach, radar approach control, RAPCON, terminal radar approach control, TRACON, terminal radar approach control facility, scrutiny approaches, surveillance arrangements: surveillance mechanisms, scrutiny arrangements: scrutiny mechanisms, surveillance methods -*- approche au radar de surveillance, SRA, approche au radar de surveillance, SRA, approche au radar de surveillance de l'aéroport, radar de surveillance d'approche, RAD, ASR, SAR, radars de surveillance, radar de surveillance d'aéroport, qualification radar d'approche de surveillance, approche contrôlée du sol, approche au radar, GCA, centre de contrôle radar terminal, TRACON, centre de contrôle radar en zone terminale, contrôle radar en zone terminale, méthodes de surveillance