1
Runway
6
Frequencies
6
Procedures
Quick Facts
FAA
4I3
Elevation
1,191.6 ft MSL
Runways
1
Frequencies
6
Tower
No
Fuel
100LL,A+
Coordinates
40.329, -82.526
Airport Information
Facility Type
AIRPORT
Elevation
1,191.6 ft MSL
Control Tower
No
Fuel Types
100LL,A+
Traffic Pattern
808 ft MSL
ARTCC
INDIANAPOLIS
Coordinates
40.3289, -82.5261
Ownership
Public
Hours of Operation
Current Weather
Runways
| ID | Ends | Length | Width | Surface | Lights | Weight Bearing | PCN |
|---|---|---|---|---|---|---|---|
| 10/28 | 10 / 28 | 5,504 ft | 100 ft | ASPH | MED | SW (Single Wheel) 55,000 lbsDW (Dual Wheel) 100,000 lbs | - |
Frequencies
| Type | Frequency | Name | Call Sign | Use | Hours |
|---|---|---|---|---|---|
| 4I3 AWOS-3PT | 126.05 | - | - | 4I3 AWOS-3PT | - |
| APCH/P DEP/P IC | 125.95 | JOHN GLENN COLUMBUS INTL | - | APCH/P DEP/P IC | - |
| APCH/P DEP/P IC | 317.775 | JOHN GLENN COLUMBUS INTL | - | APCH/P DEP/P IC | - |
| CD/P | XXX.XXX | JOHN GLENN COLUMBUS INTL | - | CD/P | - |
| CTAF | XXX.XXX | KNOX COUNTYACTVT REIL RWY 10 & 28; MIRL RWY 10/28 - CTAF. PAPI RWY 10 & 28 OPR CONSLY. | - | CTAF | - |
| UNICOM | XXX.XXX | KNOX COUNTY | - | UNICOM | - |
Airport Remarks
- DEER, BIRDS, & OTR WILDLIFE ON & INVOF ARPT.
- ACTVT REIL RWY 10 & 28; MIRL RWY 10/28 - CTAF. PAPI RWY 10 & 28 OPR CONSLY.
- 24 HR PN FOR ATNDNC AFT HRS - CALL AMGR.
- KNOXAIRPORT@EMBARQMAIL.COM.
- FUEL AVBL H24 SELF SER VIA CREDIT CARD.
IFR Procedures
1 STARs, 2 Runway, 3 Approaches
Nearby airports & facilities
K4I3
Knox County Airport
Mount Vernon — <1 nm
6G4
WYNKOOP
MOUNT VERNON — 3 nm
K6G4
Wynkoop Airport
Mount Vernon — 3 nm
OH04
Knox Community Hospital Helipad
Mount Vernon — 5 nm
OH04
KNOX COMMUNITY HOSPITAL
MOUNT VERNON — 5 nm
K6CM
Chapman Memorial Field
Centerburg — 10 nm
6CM
CHAPMAN MEML FLD
CENTERBURG — 10 nm
OI24
Kokosing Heliport
Fredericktown — 10 nm
OI24
KOKOSING
FREDERICKTOWN — 10 nm
5OI8
McKnight Airport
Johnstown — 10 nm
5OI8
MCKNIGHT
JOHNSTOWN — 10 nm
OH87
White Oak Field
Centerburg — 11 nm
Nearest airports
- K4I3 — Knox County Airport
Mount Vernon
- 6G4 — WYNKOOP
MOUNT VERNON
- K6G4 — Wynkoop Airport
Mount Vernon
- OH04 — Knox Community Hospital Helipad
Mount Vernon
- OH04 — KNOX COMMUNITY HOSPITAL
MOUNT VERNON
Ohio airports
4I3 Operational Overview
Location & Facility
KNOX COUNTY (4I3) is a publicly owned airport open to the public located in MOUNT VERNON, Ohio, United States. The field sits at an elevation of 1,191.6 feet above mean sea level (MSL) at coordinates 40.3289°N, 82.5261°W.
Runways
KNOX COUNTY has 1 runway. The longest runway (10/28) measures 5,504 feet by 100 feet with a asph surface.
Communications & Operations
KNOX COUNTY is a non-towered (pilot-controlled) field. A total of 6 communication frequencies are published for this facility.
Services & Fuel
KNOX COUNTY offers 100LL,A+ fuel. Pilots planning fuel stops should confirm availability with the FBO, as hours and pricing may vary.
Instrument Procedures
KNOX COUNTY has 6 published instrument flight procedures, including 1 approach. These procedures are updated on the 28-day AIRAC cycle. Sign up for AeroCopilot to view full procedure charts with waypoint maps and altitude profiles.
Frequently Asked Questions
What is 4I3?
4I3 is the ICAO identifier for KNOX COUNTY, a public-use airport located in MOUNT VERNON, Ohio, United States.
How many runways does KNOX COUNTY have?
KNOX COUNTY (4I3) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of 4I3?
The field elevation of KNOX COUNTY is 1,191.6 feet above mean sea level (MSL).
Is fuel available at 4I3?
Yes, KNOX COUNTY offers 100LL,A+ fuel.
What is the longest runway at 4I3?
The longest runway at KNOX COUNTY is 5,504 feet long.
How much weight can the main runway at 4I3 support?
The main runway at KNOX COUNTY supports single-wheel landing gear aircraft up to 55,000 lbs.
How do I access complete data for 4I3?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for KNOX COUNTY.
Where is KNOX COUNTY located?
KNOX COUNTY (4I3) is located in MOUNT VERNON, Ohio, United States, at an elevation of 1,191.6 ft MSL.