Knox County (4I3)

Airport information: Mount Vernon, OH, United States. Search for another airport below.

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Location and general information

FAA identifier: 4I3
FAA site number: 18237.1*A
City / state: Mount Vernon, OH
County: Knox
Time zone: America/New_York
Reference point: 40°19'44.08" N
82°31'33.85" W
Elevation: 1191.6 ft (surveyed)
Magnetic variation: 6° W (1990)
Traffic pattern altitude: 808 ft above ground
Status: Operational
Ownership: Public, Knox Co Arpt Authority
Use: Open to the public
Airport area: 386 acres
From downtown: 4 NM southwest
Sectional chart: Detroit

Services and facilities

Control tower: No
Attendance: All months, mon-fri, 0700-1700
All months, sat-sun, 0900-1700
Fuel: 100LL, Jet A+
Airframe / engine repair: Major / major
Transient storage: Hangar, tie-downs
Other services: Crop dusting, flight instruction, aircraft rental
ARTCC: Indianapolis (ZID)
Flight service: Cleveland (CLE)
1-800-WX-BRIEF
NOTAM facility: 4I3
Wind indicator: Lighted
Beacon: White and green, sunset to sunrise
Segmented circle: No
Landing fee: No
Customs: No
Airport manager: Josh Wynn
740-397-9647
Last FAA inspection: 08/02/2023

FAA remarks

Deer, birds, and other wildlife on and in the vicinity of airport.

Source: FAA Airport Data and Information Portal (ADIP), effective October 29, 2026. View this airport on the FAA site

Airport facts

FAA identifier: 4I3
Location: Mount Vernon, OH, United States
Elevation: 1191.6 ft
Time zone: America/New_York
Coordinates: 40.32891, -82.52607

Runways

Runway	Size	Surface
10 / 28	5,504 × 100 ft	Asphalt, good, grooved

Codes, elevation and runways: FAA airport data (NASR), effective 2026-10-29. Reference only, not for navigation.

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