9IS9 in 20 seconds
Johnston Airport serves Heyworth, US.
AirportRoutes · updated Feb 6, 2026
Traveler reviews & tips
From people who've recently flown through Heyworth.
Rate this airport:
No tips for 9IS9 yet — be the first to help fellow travelers.
Share your tip or review
Help fellow travelers at Johnston Airport. Tips are reviewed before publishing.
Common questions about 9IS9
Quick answers, straight from the schedule data.
Where is Johnston Airport located?
Johnston Airport is located in Heyworth, US, at an elevation of 785 ft. Its IATA code is — and ICAO code is 9IS9.