an industrial park was built and the last runway (north-south) was removed. The north–south runway was used as a dragstrip from the 1960s to 1983 under the name Calgary International Raceway. Relief landing field - Airdrie The primary relief landing field (R1) for No.3 SFTS was located near the community of Airdrie, Alberta. In approximately 1942 the aerodrome was listed at with a Var. 24 degrees E and elevation of . The aerodrome was listed with three runways as follows: A survey of google maps on 12 Jun 2018 shows a clear outline of the former relief airfield. The BCATP runways are all now abandoned and a new longer runway has been installed through the middle of the triangle. The site now operates as the Airdrie Airport. Relief landing field - Inverlake The secondary relief landing field (R2) for No.3 SFTS was located near the community of Inverlake, Alberta. In approximately 1942 the aerodrome was listed at with a Var. 23.5 degrees E and elevation of . The aerodrome was listed as a turf, triangular all way field with three runways as follows: No. 37 Service Flying Training School No. 37 Service Flying Training School (SFTS) was a Second World War Royal Air Force (RAF) flying school located at McCall Field, which is now Calgary International Airport in northeast Calgary. The school opened on October 22, 1941. Like all RAF schools in Canada during this time, No. 37 SFTS was subject to RCAF administrative and operational control and formally became part of the BCATP in 1942. Pilots in training flew Airspeed Oxfords, Avro Ansons and Cessna Cranes. The school closed on March 10, 1944. An original BCATP building is used by the Calgary Aerospace Museum. Aerodrome information The airfield was one of the few double-sided aerodromes built for wartime training with six parallel runways formed in a triangle rather than the typical three runways formed in a triangle. In approximately 1942 the aerodrome was listed at with a Var. 24 degrees E and elevation of . Six runways were listed as follows: No. 2 Wireless School No. 2 Wireless School was a BCATP radio operator school. It opened on September 16, 1940, and was located at the old Alberta Provincial Institute of Technology and Art, which is now the Southern Alberta Institute of Technology (SAIT). As one of the largest wireless training schools, it trained thousands of radio operators. Flying