Crookston Municipal Airport (IATA: CKN, ICAO: KCKN, FAA LID: CKN), also known as Kirkwood Field, is a city-owned public-use airport located four nautical miles (7 km) north of the central business district of Crookston, a city in Polk County, Minnesota, United States.

[1] The airport provided contract glider training to the United States Army Air Forces from 1942 to 1944.

Crookston Municipal Airport covers an area of 633 acres (256 ha) at an elevation of 899 feet (274 m) above mean sea level.

[1] For the 12-month period ending August 31, 2006, the airport had 20,150 aircraft operations, an average of 55 per day: 94% general aviation, 5% air taxi and less than 1% military.

In March 2017, there were 36 aircraft based at this airport: all 36 single-engine.