Aero Country Airport (FAA LID: T31) is a privately owned public airport 4 nautical miles (7.4 km) west of the central business district of McKinney, Texas, United States.

[5] The airport is used solely for general aviation purposes.

Aero Country previously used the FAA LID of TX05 until at least July 1997.

[N 1] Aero Country Airport covers 36 acres (15 ha) at an elevation of 765 feet (233 m) above mean sea level and has one runway: For the year ending December 31, 2015, the airport had 9,000 aircraft operations, averaging 25 per day: 100% general aviation.

244 aircraft were then based at this airport: 90% single-engine, 7% multi-engine, 2% helicopters, and 1% gliders.