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Airports / Ohio / K4I3

Knox County Airport K4I3

Knox County Airport (K4I3) is a non-towered airport in Mount Vernon, Ohio, 1,191 feet above sea level. Its one runway is 10/28, 5,504 feet of asphalt, lighted. Approach and departure service comes from John Glenn Columbus International. The closest other airport on TowerScope is Newark Heath Airport (KVTA), 18 nautical miles south.

Runways

RunwayLengthSurfaceLighted
10/285,504 ftasphaltYes

Frequencies

John Glenn Columbus International tower and approach

  • 119.45 Clearance delivery
  • 125.95 Approach and departure IC
  • 317.775 Approach and departure IC

Knox County Airport weather station

  • 126.05 4I3 AWOS-3PT

Knox County no tower

  • 123.05 CTAF, UNICOM

From the FAA NASR 28-day data, cycle 2026-10-01. Check the Chart Supplement before use.

Location

40.3287, -82.5238. Field elevation 1191 ft. No control tower on file.

Nearby airports

  • KVTA Newark Heath Airport 18 NM south
  • K4I9 Morrow County Airport 19 NM northwest
  • KCMH John Glenn Columbus International Airport 26 NM southwest
  • KGQQ Galion Municipal Airport 27 NM north
  • KDLZ Delaware Municipal Airport 27 NM west
  • K10G Holmes County Airport 29 NM northeast
  • KOSU The Ohio State University Airport - Don Scott Field 29 NM southwest
  • KMFD Mansfield Lahm Regional Airport 30 NM north