AirNav   Duncan Aviation - Near you to 
keep you flying
 
 2558 users online  

4I3 Knox County Airport
Mount Vernon, Ohio, USA

GOING TO MOUNT VERNON?


FAA INFORMATION EFFECTIVE 11 JUNE 2026

Location

FAA Identifier: 4I3
Lat/Long: 40-19-44.0820N 082-31-33.8540W
40-19.734700N 082-31.564233W
40.3289117,-82.5260706
(estimated)
Elevation: 1191.6 ft. / 363.2 m (surveyed)
Variation: 06W (1990)
From city: 4 miles SW of MOUNT VERNON, OH
Time zone: UTC -4 (UTC -5 during Standard Time)
Zip code: 43050

Airport Operations

Airport use: Open to the public
Control tower: no
ARTCC: INDIANAPOLIS CENTER
FSS: CLEVELAND FLIGHT SERVICE STATION
NOTAMs facility: 4I3 (NOTAM-D service available)
Attendance: MON-FRI 0700-1700, ALL SAT-SUN 0900-1700
24 HR PN FOR ATNDNC AFT HRS - CALL AMGR.
Pattern altitude: 1999.6 ft. MSL
Wind indicator: lighted
Segmented circle: no
Lights: ACTVT REIL RWY 10 & 28; MIRL RWY 10/28 - CTAF. PAPI RWY 10 & 28 OPR CONSLY.
Beacon: white-green (lighted land airport)
Operates sunset to sunrise.

Airport Communications

CTAF/UNICOM: 123.05
WX AWOS-3PT: 126.05 (740-397-6297)
COLUMBUS APPROACH: 125.95
COLUMBUS DEPARTURE: 125.95
CLEARANCE DELIVERY: 119.45
IC: 125.95
WX ASOS at VTA (18 nm S): 121.125 (740-522-1066)
WX AWOS-3PT at 4I9 (19 nm NW): 121.4 (419-947-1039)

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
APEr021/11.0APPLETON VORTAC116.7006W
BUDr130/(30.0)BUCKEYE VOR109.8005W

Airport Services

Fuel available: 100LL JET-A+
100LL:FUEL AVBL H24 SELF SER VIA CREDIT CARD.
Parking: hangars and tiedowns
Airframe service: MAJOR
Powerplant service: MAJOR
Bottled oxygen: NONE
Bulk oxygen: NONE

Runway Information

Runway 10/28

Dimensions: 5504 x 100 ft. / 1678 x 30 m
Surface: asphalt/grooved, in good condition
Weight bearing capacity: 
Single wheel: 55.0
Double wheel: 100.0
Runway edge lights: medium intensity
RUNWAY 10  RUNWAY 28
Latitude: 40-19.795312N40-19.674050N
Longitude: 082-32.151110W082-30.977387W
Elevation: 1187.3 ft.1184.4 ft.
Traffic pattern: leftleft
Runway heading: 104 magnetic, 098 true284 magnetic, 278 true
Markings: nonprecision, in good conditionnonprecision, in good condition
Visual slope indicator: 4-light PAPI on left (3.00 degrees glide path)4-light PAPI on left (3.00 degrees glide path)
Runway end identifier lights: yesyes
Touchdown point: yes, no lightsyes, no lights
Obstructions: 126 ft. trees, 3188 ft. from runway, 60 ft. left of centerline, 23:1 slope to clear51 ft. trees, 1962 ft. from runway, 65 ft. left of centerline, 34:1 slope to clear

Airport Ownership and Management from official FAA records

Ownership: Publicly-owned
Owner: KNOX CO ARPT AUTHORITY
6481 KINNEY RD
MOUNT VERNON, OH 43050-9301
Phone 740-397-9647
Manager: JOSH WYNN
6481 KINNEY RD
MOUNT VERNON, OH 43050-9301
Phone 740-397-9647
KNOXAIRPORT@EMBARQMAIL.COM.

Additional Remarks

DEER, BIRDS, & OTR WILDLIFE ON & INVOF ARPT.

Instrument Procedures

NOTE: All procedures below are presented as PDF files. If you need a reader for these files, you should download the free Adobe Reader.

NOT FOR NAVIGATION. Please procure official charts for flight.
FAA instrument procedures published for use from 11 June 2026 at 0901Z to 09 July 2026 at 0900z.

 
IAPs - Instrument Approach Procedures
RNAV (GPS) RWY 10   download (203KB)
RNAV (GPS) RWY 28   download (191KB)
VOR-A   download (157KB)
NOTE: Special Alternate Minimums apply   download (61KB)
NOTE: Special Take-Off Minimums/Departure Procedures apply   download (164KB)

Other nearby airports with instrument procedures:

KVTA - Licking County Regional Airport (18 nm S)
4I9 - Morrow County Airport (19 nm NW)
KCMH - John Glenn Columbus International Airport (26 nm SW)
KGQQ - Galion Municipal Airport (27 nm N)
KDLZ - Delaware Municipal Airport - Jim Moore Field (27 nm W)
 
Loc | Ops | Rwys | IFR | FBO | Links
Com | Nav | Svcs | Stats | Notes

City of Middletown
 
Area around 4I3 (Knox County Airport)
 
Road maps at: MapQuest Bing Google
 
Aerial photo
WARNING: Photo may not be current or correct
Aerial photo of 4I3 (Knox County Airport)
Photo by James Flack
Photo taken 05-Aug-2015
looking north.

Do you have a better or more recent aerial photo of Knox County Airport that you would like to share? If so, please send us your photo.

 
Sectional chart

 
Airport distance calculator
Flying to Knox County Airport? Find the distance to fly.

From to 4I3

Sunrise and sunset
Times for 14-Jun-2026
 Local
(UTC-4)
 Zulu
(UTC)
Morning civil twilight05:2709:27
Sunrise06:0110:01
Sunset21:0001:00
Evening civil twilight21:3301:33

Current date and time
Zulu (UTC)  15-Jun-2026 03:18:07
Local (UTC-4)  14-Jun-2026 23:18:07
 
METAR
K4I3 150255Z AUTO 28005KT 10SM CLR 14/14 A2989 RMK AO2
KVTA 
19nm S 
150254Z AUTO 24003KT 10SM CLR 14/14 A2989 RMK AO2 SLP117 T01440139 51028
TAF
KCMH 
26nm SW 
141931Z 1420/1518 23012G21KT P6SM -SHRA BKN035 TEMPO 1420/1421 33013G35KT P6SM -TSRA BKN015CB FM142100 33012G23KT 5SM -SHRA BKN013 FM142200 32011G20KT P6SM FEW035 FM150300 31007KT P6SM FEW250
KMFD 
29nm N 
141743Z 1418/1518 24013G21KT P6SM BKN050 TEMPO 1418/1420 26030G45KT 2SM TSRA SCT005 OVC015CB FM142000 30012G20KT 6SM -SHRA SCT005 OVC015 TEMPO 1420/1422 2SM TSRA OVC015CB FM142300 30010KT P6SM SCT030 FM151300 31007KT P6SM FEW040 SCT200
NOTAMs
Click for the latest NOTAMs
NOTAMs are issued by the DoD/FAA and will open in a separate window not controlled by AirNav.

 

 
 

FBO, Fuel Providers, and Aircraft Ground Support

  
 Business Name 
 
 Contact 
 
 Services / Description 
 
Fuel Prices
 
Comments
  
Knox County Airport 740-397-9647
no information available
 
Multi Service® Aviation Card  
 
If you are affiliated with Knox County Airport and would like to show here your services, contact info, web link, logo, and more, click here
100LL Jet A
FS $5.85 $5.86 
SS $5.85 --- 
 Updated 02-Jun-2026
 
   1 read write
FS=Full service
SS=Self service
Update Fuel Prices
 

Would you like to see your business listed on this page?

 If your business provides an interesting product or service to pilots, flight crews, aircraft, or users of the Knox County Airport, you should consider listing it here.  To start the listing process, click on the button below
 
Add a business
 

Other Pages about Knox County Airport

www.knoxcountyair.com
 
Update a link
 
Copyright © AirNav, LLC. All rights reserved. Privacy Policy  Contact