Johnston Airport

Johnston Airport is an airport located in Heyworth Illinois, US. The ICAO code is 9IS9, used by air traffic control and pilots for flight planning.

The airport operates in the America/Chicago timezone. When planning flights to or from 9IS9, use our flight duration calculator to account for timezone differences, especially for international travel.

Johnston Airport sits at an elevation of 785 feet (239 meters) above sea level.

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