Knox County Airport (K4I3)
K4I3 is the airport code for Knox County Airport, located in Mount Vernon, OH.
Airport guide
Knox County Airport (K4I3) is a small airport in Mount Vernon, OH. It sits in North America.
Knox County Airport has no scheduled airline service.
The longest runway measures 5,504 ft (1,678 m), typically long enough for most midsize and super-midsize jets. Aircraft typically matched to a runway of this length include the Citation Longitude, Challenger 350, and Gulfstream G280. Actual runway requirements vary with aircraft weight, air temperature, field elevation, and runway condition.
Knox County Airport lies at 1,191 ft elevation.
Local operations run on America/New_York.
SkyAccess inventory for K4I3 updates continuously as operators publish new empty legs and one-way repositioning trips. Pricing on each leg is available with a free account, and an inventory alert will email you the moment a leg appears on the route you care about.
Use this page to compare K4I3 against nearby alternatives, browse live empty-leg pricing in both directions, and brief yourself on the runway and elevation profile before you book.
Empty legs departing K4I3 (0)
No current departing empty legs tracked. New legs appear here as operators post inventory. Set an alert to be notified.
Empty legs arriving K4I3 (0)
No current arriving empty legs tracked. New legs appear here as operators post inventory.
Empty legs at airports near Knox County Airport
Each airport's own empty-leg page, ordered by distance from Knox County Airport.
Nearby airports
More airports in United States
Ordered by distance from Knox County Airport.