The East of Scotland Universities Air Squadron (Scottish Gaelic: Sguadron Adhair Oilthighean Taobh an Ear na h-Alba), commonly known as ESUAS, is a squadron within the Royal Air Force established in 2003 as an amalgamation of "East Lowlands Universities Air Squadron" (ELUAS) and "Aberdeen, Dundee and St Andrews Universities Air Squadron" (ADStAUAS). It is based at Leuchars Station (Royal Air Force Leuchars until 31 March 15 when it was transferred to Army control), in Fife and flies a fleet of six Grob Tutor aircraft. ESUAS is the parent Squadron of 12 Air Experience Flight, who share the aircraft.