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 |
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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 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)
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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 31-Jan-2026
| | Local (UTC-5) | | Zulu (UTC) |
| Morning civil twilight | | 07:12 | | 12:12 |
| Sunrise | | 07:41 | | 12:41 |
| Sunset | | 17:46 | | 22:46 |
| Evening civil twilight | | 18:15 | | 23:15 |
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| Current date and time |
| Zulu (UTC) | 31-Jan-2026 18:43:56 |
| Local (UTC-5) | 31-Jan-2026 13:43:56 |
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| METAR |
| K4I3 | 311815Z AUTO 33008KT 10SM SCT022 OVC038 M10/M15 A3021 RMK AO2
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KVTA 19nm S | 311754Z AUTO 02005G16KT 10SM BKN042 M10/M17 A3023 RMK AO2 SLP261 T11001167 11100 21278 58013
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| TAF |
KCMH 26nm SW | 311721Z 3118/0118 35007KT P6SM SCT025 BKN035 TEMPO 3118/3122 BKN025 FM011100 32005KT P6SM SCT025
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KMFD 29nm N | 311729Z 3118/0118 31006KT 5SM -SN BKN024 OVC040 TEMPO 3118/3120 3SM -SN FM312200 36006KT P6SM VCSH BKN035 FM010000 35005KT P6SM BKN025 TEMPO 0108/0111 BKN008 FM011300 31006KT P6SM SCT008
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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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