← Back

Knox County Airport

4I3 · Mount Vernon, OH · 1,191 ft elevation · var 6W · Towered

Airport information

FAA LID
4I3
Coordinates
40.3287, -82.5238
Elevation
1,191 ft MSL
Magnetic variation
6W
Sectional chart
DETROIT
Airport use
Public
Control tower
Yes
ARTCC
INDIANAPOLIS (ZID)
Flight service (FSS)
CLEVELAND
NOTAM facility
4I3
Attendance
MON-FRI 0700-1700; SAT-SUN 0900-1700
Beacon
white-green (SS-SR)
Segmented circle
No
Wind indicator
lighted
Distance from city
4 SW

Weather

METAR observed

Loading current weather…

TAF forecast

Loading forecast…

Sun & FAA night 2026-06-20

EventLocal (EDT)UTC
Morning civil twilight
Loggable night ends
05:27 AM09:27Z
Sunrise06:00 AM10:00Z
Sunset09:03 PM01:03Z
Evening civil twilight
Loggable night begins
09:36 PM01:36Z
Loggable night (§1.1)
09:36 PM → 05:27 AM
Night currency (§61.57)
10:03 PM → 05:00 AM

Plan a flight from 4I3

Runway 10/28

5,504 ft × 100 ft · Asphalt (Good)

Edge lights: Med. Weight bearing: Single wheel 55k, Double wheel 100k.

10
Heading
104° mag · 98° true
Markings
nonprecision
VGSI
4-light PAPI (left) (3°)
Traffic pattern
Left
28
Heading
284° mag · 278° true
Markings
nonprecision
VGSI
4-light PAPI (left) (3°)
Traffic pattern
Left

Communication frequencies

ServiceFrequencyNotes
A/D120.2COLUMBUS APP/DEP
AWOS118.425AWOS 3
CLD119.45CLNC DEL
RDO116.7DAYTON RDO
UNIC123.05CTAF/UNICOM

Nearby navigation aids

NavAidTypeFreqRadial / Dist magnetic
APE · AppletonVORTAC116.70r021° / 11.1 NM
TVT · TivertonVOR-DME116.50r250° / 19.7 NM
BUD · BuckeyeVOR109.80r130° / 30.1 NM
MFD · MansfieldVORTAC108.80r178° / 32.6 NM
LCK · RickenbackerTACAN134.20r036° / 36.4 NM
ZZV · ZanesvilleVOR-DME111.40r315° / 37.2 NM

Chart Supplement FAA A/FD

Open PDF ↗
Preview Chart Supplement Open the Chart Supplement PDF

Services

Fuel available
100LL, Jet A (additive)
Bottled oxygen
NONE
Bulk oxygen
NONE
Airframe service
MAJOR
Powerplant service
MAJOR
Parking
tiedowns, hangars
Other services
Agricultural, Instruction, Rental

Ownership & management

Owner
KNOX CO ARPT AUTHORITY
6481 KINNEY RD, MOUNT VERNON, OH
740-397-9647
Manager
JOSH WYNN
6481 KINNEY RD, MOUNT VERNON, OH
740-397-9647

Remarks FAA

  • DEER, BIRDS, & OTR WILDLIFE ON & INVOF ARPT.
  • ACTVT REIL RWY 10 & 28; MIRL RWY 10/28 - CTAF. PAPI RWY 10 & 28 OPR CONSLY.
  • 24 HR PN FOR ATNDNC AFT HRS - CALL AMGR.
  • KNOXAIRPORT@EMBARQMAIL.COM.
  • FUEL AVBL H24 SELF SER VIA CREDIT CARD.

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 4I3 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.