New Century AirCenter (IATA: JCI, ICAO: KIXD, FAA LID: IXD), formerly known as Naval Air Station Olathe, Flatley Field and Johnson County Industrial Airport, is a joint civil-military general aviation airport located four miles (6 km) southwest of the central business district of Olathe, a city in Johnson County, Kansas, United States.

[6] Download coordinates as: New Century Aircenter Airport covers an area of 2,600 acres (1,100 ha) which contains two runways:[1] For the twelve-month period ending July 31, 2019, the airport had 53,678 aircraft operations, an average of 147 per day: 91% general aviation, 5% air taxi, 4% military, and less than 1% commercial.

[1] After the Johnson County Airport Commission took control of the property, it decided to build a business park on some of the land.

[7] Clients include Altiras Chemical LLC, CFS Sauer Foods Inc., IFF Nutrition and Health, deElliotte Company Inc., Steel and Pipe Supply Company Inc., Cedar Creek LLC, Wausau Supply and JBS Swift.

[8] The park even has its own railway, the New Century AirCenter Railroad, to supply switching services between the businesses and the connecting rail carrier, the BNSF.