Canadian Forces Base Summerside (CFB Summerside) was an air force base located in St. Eleanors, Prince Edward Island, Canada, now part of the city of Summerside. RCAF Station Summerside World War II The airfield was constructed by the Royal Canadian Air Force (RCAF) between 1940–1941 and was named RCAF Station Summerside. It was home to No. 9 Service Flying Training School RCAF, a flight school that operated under the British Commonwealth Air Training Plan (BCATP). Relief or emergency airfields were located at nearby RCAF Station Mount Pleasant and Wellington. Airmen were trained on Harvards. In July 1942 No. 9 SFTS moved to RCAF Station Centralia and was replaced by No. 1 General Reconnaissance School RCAF which flew Ansons. No. 1 GRS was renamed to No. 1 Reconnaissance and Navigation School in 1945. Aerodrome information The airfield was constructed in the typical BCATP wartime pattern, with runways formed in a triangle. In approximately 1942 the aerodrome was listed as RCAF Aerodrome - Summerside, Prince Edward Island at with a variation of 25 degrees west and elevation of . Six runways were listed as follows: Relief landing field – Mount Pleasant The primary relief landing field (R1) for RCAF Station Summerside was RCAF Station Mount Pleasant. The station was located east of the community of Ellerslie, Prince Edward Island. Relief landing field – Wellington The secondary relief landing field (R2) for RCAF Station Summerside was located north-east of the community of Wellington, Prince Edward Island. In approximately 1942 the aerodrome was listed as RCAF Aerodrome - Wellington, Prince Edward Island at with a variation of 24 degrees west and elevation of . Three runways were listed as follows: Cold War The station was closed in 1946 but reopened in 1947 with the formation of No. 1 Air Navigation School (ANS). This was a NATO training facility. No. 1 ANS left in 1953 and the Central Navigation School was established. In 1949 No. 2 (Maritime) Operational Training Unit started operation. The influx of personnel and their families required the building of more accommodation quarters. In 1949 the base housing was completed and named "Slemon Park" in honour of Air Marshal Roy Slemon. During the Cold War, the base was home to anti-submarine and coastal patrol aircraft such as the Lancaster B.X, CP-122 Neptune, CP-107 Argus, and CP-121 Tracker. Other aircraft operated from Summerside include the CC-115 Buffalo and CH-113 Labrador. These aircraft were