FAA INFORMATION EFFECTIVE 30 OCTOBER 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 |
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| 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 30 October 2025 at 0901Z to 27 November 2025 at 0900Z.
IAPs - Instrument Approach Procedures |
| RNAV (GPS) RWY 10 **CHANGED** | |
download (203KB) |
| RNAV (GPS) RWY 28 **CHANGED** | |
download (191KB) |
| VOR-A **CHANGED** | |
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)
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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.
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| Sectional chart |
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| Airport distance calculator |
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| Sunrise and sunset |
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Times for 19-Nov-2025
| | Local (UTC-5) | | Zulu (UTC) |
| Morning civil twilight | | 06:52 | | 11:52 |
| Sunrise | | 07:22 | | 12:22 |
| Sunset | | 17:09 | | 22:09 |
| Evening civil twilight | | 17:39 | | 22:39 |
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| Current date and time |
| Zulu (UTC) | 19-Nov-2025 21:12:52 |
| Local (UTC-5) | 19-Nov-2025 16:12:52 |
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| METAR |
| K4I3 | 192048Z 12003KT 10SM FEW026 10/04 A3018 RMK AO2
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KVTA 19nm S | 192054Z AUTO 10003KT 10SM CLR 10/03 A3018 RMK AO2 SLP223 T01000028 55003
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| TAF |
KCMH 26nm SW | 191723Z 1918/2018 00000KT P6SM FEW025 FEW250 FM200200 06004KT P6SM OVC022 FM200400 00000KT 6SM BR OVC025 FM200800 00000KT 5SM BR BKN018 OVC025 FM201100 19004KT 5SM BR SCT009 OVC015
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KMFD 29nm N | 191720Z 1918/2018 06005KT P6SM BKN025 FM200000 VRB02KT P6SM OVC015
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| NOTAMs |
NOTAMs are issued by the DoD/FAA and will open in a separate window not controlled by AirNav.
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