← Airport Atlas

FAA 4I3 GPS K4I3 Small airport

Knox County Airport

Mount Vernon · Ohio · United States

Location

Town: Mount Vernon
Region: Ohio
Country: United States
Elevation: 1,191 ft
Latitude: 40.3287
Longitude: -82.5238

Observed traffic

Departures (30 d): 104
Arrivals (30 d): 21
All observed flights: 125
Last seen: October 29, 2026

Facility

Type: Small airport
Scheduled service: No
Longest runway: 5,504 ft
Also known as: —

Runways

Runway	Length	Width	Surface	Lighted	Headings
10 / 28	5,504 ft	100 ft	ASP	Yes	098° / 278°

Frequencies

Type	Description	MHz
A/D	COLUMBUS APP/DEP	120.200
AWOS	AWOS 3	118.425
CLD	CLNC DEL	119.450
RDO	DAYTON RDO	116.700
UNIC	CTAF/UNICOM	123.050

Wikipedia Airport data from OurAirports (public domain).