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 |
| APEr021/11.0 | | 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 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)
|
|

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 25-Jan-2026
| | Local (UTC-5) | | Zulu (UTC) |
| Morning civil twilight | | 07:17 | | 12:17 |
| Sunrise | | 07:46 | | 12:46 |
| Sunset | | 17:39 | | 22:39 |
| Evening civil twilight | | 18:08 | | 23:08 |
|
| 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 |
NOTAMs are issued by the DoD/FAA and will open in a separate window not controlled by AirNav.
|
|