Tracy Municipal Airport is three miles southwest of Tracy, in San Joaquin County, California. It is owned by the City of Tracy.Most U.S. airports use the same three-letter location identifier for the FAA and IATA, but Tracy Municipal Airport is TCY to the FAA and has no IATA code.FacilitiesTracy Municipal Airport covers 310acre and has two asphalt runways, 7/25 & 12/30, each 4,000 x 100 ft (1,220 x 30 m).In the year ending July 17, 2005 the airport had 60,000 aircraft operations, average 164 per day: 99% general aviation and 1% air taxi. 122 aircraft are based at the airport: 95% single engine, 3% multi-engine and 2% ultralight.World War IIDuring World War II the airport was Tracy Auxiliary Airfield (No 4), and was an auxiliary training airfield for Stockton Army Airfield, California.