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St. Thomas Municipal Airport
File:Airport aerial view2.jpg
Airport type Public
Operator Municipality of St. Thomas
Location St. Thomas, Ontario
Elevation AMSL 779 ft / 237 m
Coordinates 42°46′12″N 081°06′35″W / 42.77°N 81.10972°W / 42.77; -81.10972Coordinates: 42°46′12″N 081°06′35″W / 42.77°N 81.10972°W / 42.77; -81.10972

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Direction Length Surface
ft m
03/21 2,607 795 Asphalt
09/27 5,013 1,528 Asphalt
15/33 2,610 796 (Closed)
Statistics (2006)
Aircraft movements 944
Source: Canada Flight Supplement[1]
Movements from Statistics Canada[2]

St. Thomas Municipal Airport, (IATA: YQS, ICAO: CYQS), located 3.5 nautical miles (6.5 km; 4.0 mi) east of St. Thomas, Ontario, Canada is a small airport serving the general aviation needs of the area. The airport was established in 1941 as an air training base for the British Commonwealth Air Training Program. The base was operated by the Department of National Defence until the late 1940s as a relief field for No. 14 Service Flying Training School Aylmer, Ontario and No. 4 Bombing & Gunnery School Fingal, Ontario. It has a six runways, and four IFR approaches.[3]

Map of the airport.

The airport is classified as an airport of entry by Nav Canada and is staffed by the Canada Border Services Agency (CBSA) on a call-out basis from the London International Airport. CBSA officers at this airport can handle general aviation aircraft only, with no more than 15 passengers.[1]

The airport was purchased by the City of St. Thomas in 1970. The runways were built approximately 2,640 ft (805 m) long, but the main east west runway (09/27) was expanded to 5,050 ft (1,539 m) in 1982.

The airport is in uncontrolled airspace but has a UNICOM operating during working hours on 122.70 MHz.

There are two flight training schools operating out of the airport one for fixed wing and one for helicopter. There are many agricultural aircraft in the summer.

In 2002 St. Thomas reported 27,456 aircraft movements, however over the following years the numbers dropped. In 2003 there were 17,371, followed by 13,720 in 2004 and 12,575 in 2005. In 2006 there were 944 movements reported during a 24-day period in January and no more reports were made for the rest of the year.[4]

Runway 15/33 is closed and is only in use as a taxiway.[5]

Historical aerodrome information[]

In approximately 1942 the aerodrome was listed as "RCAF Aerodrome - St. Thomas, Ontario" at 42°46′N 81°07′W / 42.767°N 81.117°W / 42.767; -81.117 with a variation of 5 degrees west and elevation of 760 ft (230 m). The field was listed as "All hard surfaced" and had three runways listed as follows:[6]

Runway Name Length Width Surface
15/33 2,600 ft (790 m) 100 ft (30 m) Hard Surfaced
9/27 2,600 ft (790 m) 100 ft (30 m) Hard Surfaced
3/21 2,600 ft (790 m) 100 ft (30 m) Hard Surfaced

BCATP buildings from 1941[]


  1. 1.0 1.1 Canada Flight Supplement. Effective 0901Z 24 July 2014 to 0901Z 18 September 2014
  2. "Total aircraft movements by class of operation". 2012-12-19. Retrieved 2013-10-02. 
  3. McGrath, T.M. (1992). History of Canadian Airports (2nd ed.). Ottawa: Lugus Publications in co-operation with Transport Canada. ISBN 0-921633-11-4. 
  4. Transport Canada TP 577 - Aircraft Movement Statistics Annual Report 2006 Archived August 9, 2007, at the Wayback Machine.
  5. "NOTAM CYQS". 
  6. Staff writer (c. 1942). Pilots Handbook of Aerodromes and Seaplane Bases Vol. 1. Royal Canadian Air Force. p. 164. 

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