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4I3 Knox County Airport
Mount Vernon, Ohio, USA

GOING TO MOUNT VERNON?


FAA INFORMATION EFFECTIVE 22 JANUARY 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 -5 (UTC -4 during Daylight Saving 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 22 January 2026 at 0901Z to 19 February 2026 at 0900z.

 
IAPs - Instrument Approach Procedures
RNAV (GPS) RWY 10   download (204KB)
RNAV (GPS) RWY 28   download (192KB)
VOR-A   download (158KB)
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
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From to 4I3

Sunrise and sunset
Times for 25-Jan-2026
 Local
(UTC-5)
 Zulu
(UTC)
Morning civil twilight07:1712:17
Sunrise07:4612:46
Sunset17:3922:39
Evening civil twilight18:0823:08

Current date and time
Zulu (UTC)  26-Jan-2026 04:50:39
Local (UTC-5)  25-Jan-2026 23:50:39
 
METAR
K4I3 260421Z AUTO 32007KT 7SM -SN BR OVC012 M12/M13 A2990 RMK AO2
KVTA 
19nm S 
260354Z AUTO 31005KT 10SM OVC017 M12/M14 A2991 RMK AO2 SNE00 SLP145 P0000 T11171144
TAF
KCMH 
26nm SW 
252004Z 2520/2618 36010KT 3/4SM -SN BLSN OVC012 FM252300 34013G22KT 1SM -SN BLSN OVC012 FM260100 30010KT 3SM BLSN SCT008 BKN015 FM261300 28009KT P6SM SCT012 FM261600 28011G19KT 5SM -SN BLSN SCT015 BKN035
KMFD 
29nm N 
260034Z 2601/2624 34010KT 5SM -SN SCT007 OVC020 TEMPO 2601/2603 OVC007 FM260300 33010KT 5SM -SN OVC007 FM260500 30010KT P6SM OVC007 FM261500 28012KT P6SM SCT007 BKN020
NOTAMs
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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 $5.56 $5.19 
SS $5.56 --- 
 Updated 08-Jan-2026
 
   1 read write
FS=Full service
SS=Self service
Update Fuel Prices
 

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Other Pages about Knox County Airport

www.knoxcountyair.com
 
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