FAA INFORMATION EFFECTIVE 27 NOVEMBER 2025
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 |
| APEr021/11.0 | | APPLETON VORTAC | | 116.70 | | 06W |
| BUDr130/(30.0) | | BUCKEYE VOR | | 109.80 | | 05W |
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: | 40-19.795312N | | 40-19.674050N |
| Longitude: | 082-32.151110W | | 082-30.977387W |
| Elevation: | 1187.3 ft. | | 1184.4 ft. |
| Traffic pattern: | left | | left |
| Runway heading: | 104 magnetic, 098 true | | 284 magnetic, 278 true |
| Markings: | nonprecision, in good condition | | nonprecision, 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: | yes | | yes |
| Touchdown point: | yes, no lights | | yes, no lights |
| Obstructions: | 126 ft. trees, 3188 ft. from runway, 60 ft. left of centerline, 23:1 slope to clear | | 51 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 27 November 2025 at 0901Z to 25 December 2025 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)
|
|

Road maps at:
MapQuest
Bing
Google
| Aerial photo |
WARNING: Photo may not be current or correct
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 |
|
|
| Sunrise and sunset |
|
Times for 10-Dec-2025
| | Local (UTC-5) | | Zulu (UTC) |
| Morning civil twilight | | 07:12 | | 12:12 |
| Sunrise | | 07:43 | | 12:43 |
| Sunset | | 17:03 | | 22:03 |
| Evening civil twilight | | 17:33 | | 22:33 |
|
| Current date and time |
| Zulu (UTC) | 10-Dec-2025 12:40:27 |
| Local (UTC-5) | 10-Dec-2025 07:40:27 |
|
| METAR |
| K4I3 | 101221Z AUTO 23013G21KT 200V270 4SM -RA SCT011 OVC017 02/02 A2943 RMK AO2
|
KVTA 19nm S | 101154Z AUTO 23016G36KT 7SM -RA BKN028 OVC043 05/M01 A2946 RMK AO2 PK WND 21036/1149 SLP981 P0001 60003 70003 T00501006 10056 20022 56024
|
|
| TAF |
KCMH 26nm SW | 101155Z 1012/1112 22018G32KT P6SM -RA OVC025 FM101400 22018G28KT 5SM -RA BKN022 OVC035 TEMPO 1015/1018 OVC008 FM101800 25018G35KT 3SM -RA OVC012 FM102100 28018G35KT 3SM -SHSN BKN008 OVC012 FM102300 30015G30KT 3SM -SHSN OVC012 FM110300 31015G25KT P6SM -SHSN OVC012 FM110900 30010KT P6SM -SHSN BKN015
|
KMFD 29nm N | 101120Z 1012/1112 20020G35KT 5SM -RASN OVC030 FM101500 22020G35KT 3SM -RA BR OVC015 PROB30 1015/1018 2SM -RA BR OVC009 FM102000 27013G22KT 5SM -RASN BR OVC009 FM110000 32013G22KT 2SM -SN OVC009 FM110200 31012G20KT 5SM -SN OVC025 FM110600 31010G20KT P6SM OVC015 FM110800 30010KT P6SM OVC025
|
|
| NOTAMs |
NOTAMs are issued by the DoD/FAA and will open in a separate window not controlled by AirNav.
|
|