Squadron leader a flying squadron is usually commanded by a wing commander, with each of the two flights under a squadron leader. However, ground-operating squadrons which are sub-divisions of a wing are ordinarily commanded by a squadron leader. This includes squadrons of the RAF Regiment and University Air Squadrons. The rank insignia consists of a thin blue band on a slightly wider black band between two narrow blue bands on slightly wider black bands. This is worn on both the lower sleeves of the tunic or on the shoulders of the flying suit or the casual uniform. Squadron leaders are the lowest
University of Birmingham Air Squadron University of Birmingham Air Squadron The University of Birmingham Air Squadron, commonly known as UBAS, is a squadron within the Royal Air Force established in 1942. It is based at RAF Cosford, Shropshire, and flies a fleet of five Grob Tutors. In 2009 the squadron upgraded the aircraft to the Grob Tutor EA which has an advanced avionics suite. The Squadron has four Flights, A, B, C and D; each with a student Flight Commander who holds the rank of Acting Pilot Officer. UBAS is also the parent squadron of 8 Air Experience Flight, who jointly fly UBAS' Tutor fleet.