The history of the present Glasgow Airport goes back to 1932, when the site at Abbotsinch, between the Black Cart Water and the White Cart Water, near Paisley in Renfrewshire, was opened. In 1933 No. 602 (City of Glasgow) Squadron AAF of the Auxiliary Air Force (present day Royal Auxiliary Air Force) moved its Westland Wapiti IIA aircraft from nearby Renfrew. The RAF Station headquarters, however, was not formed until 1 July 1936 when 6 Auxiliary Group, Bomber Command, arrived. From May 1939, until moving away in October 1939, the Squadron flew the Supermarine Spitfire. In 1940 a torpedo training unit was formed, which trained both Royal Air Force and Royal Navy crews under RAF Coastal Command. The Admiralty was granted a lodger facility for a RN Air Section at Royal Air Force Abbotsinch from 19 June 1940. The airbase was transferred from No. 19 Group RAF to the Admiralty on 11 August 1943, known as Royal Naval Air Station Abbotsinch, (or RNAS Abbotsinch). Its primary function was an Aircraft Maintenance Yard and Reserve Aircraft Storage and Salvage. On 20 September it was commissioned HMS Sanderling. During the 1950s the airfield housed a large aircraft storage unit and squadrons of the Royal Naval Volunteer Reserve. The Royal Navy left in October 1963. The name Sanderling was, however, retained as a link between the two: HMS Sanderling's ship's bell was presented to the new airport and a bar in the airport was named The Sanderling Bar. The following squadrons were based at Glasgow Airport at some point: Units In the 1960s Glasgow Corporation decided that a new airport for the city was required. The original site of Glasgow's main airport, Renfrew Airport, was 3 km (1.9 mi) east of the current airport, in what is now the Dean Park area of Renfrew. The original Art Deco terminal building of the original airport has not survived. The site is now occupied by a Tesco supermarket and the M8 motorway; this straight and level section of motorway occupies the site of the runway. Abbotsinch took over from Renfrew Airport on 2 May 1966. Her Majesty's Government had already committed millions into rebuilding Glasgow Prestwick Airport fit for the "jet age". Nevertheless, the plan went forward and the new airport, designed by Basil Spence and built at a cost of £4.2 million, it was completed in 1966, with British European Airways beginning services using De Havilland Comet aircraft. The first commercial flight to arrive was a British European Airways flight from Edinburgh, landing at 8 am on 2 May 1966. The airport was officially opened on 27 June 1966 by Queen Elizabeth II. The political rows over Glasgow and Prestwick airports continued, with Prestwick enjoying a monopoly over transatlantic traffic (under the 1946 US-UK air transport agreement known as the Bermuda Agreement), while Glasgow Airport was only allowed to handle UK and intra-European traffic. In 1975 the BAA took ownership of Glasgow Airport. When BAA was privatised in the late 1980s, as BAA plc, it consolidated its airport portfolio and sold Prestwick Airport. BAA embarked on a massive redevelopment plan for Glasgow Airport in 1989. In the early 1990s Glasgow became the first UK airport, and one of the first in Europe to screen all baggage. Until this time, only 'high-risk' flights had their hand luggage and hold luggage checked. This was a result of the bombing of Pan Am Flight 103 on 21 December 1988 over the Scottish town of Lockerbie. An extended terminal building was created by building a pre-fabricated metal structure around the front of the original Basil Spence building, hence screening much of its distinctive Brutalist style architecture from view, with the void between the two structures joined by a glass atrium and walkway. Spence's original concrete facade which once looked onto Caledonia Road now fronts the check-in desks. The original building can be seen more clearly from the rear, with the mock barrel-vaulted roof visible when airside.