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KNOX COUNTY - Airport Diagram
LiveATC.net: Live Air Traffic - From Their Headsets to You

4I3
Local 4I3
KNOX COUNTY
PublicPUB

4 miles SW of MOUNT VERNON, OH, US
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LiveATC.net: Live Air Traffic - From Their Headsets to You
Status
Operational
Coordinates
40° 19' 44"N 82° 31' 34"W
Elevation
1192' MSL
Pattern Alt
2000' MSL
Mag Variation
8°W
Declination
6°W
Fuel
JET A (FSII), 100LL
FSS
CLEVELAND (CLE)
Sectional
DETROIT
ARTCC
INDIANAPOLIS (ZID)
Data Effective
2/19/26-3/19/26
No METAR is available for this location.
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4I3 FBOs

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Knox County Airport
UNICOM: 123.05
Phone: (740) 397-9647
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Phillips 66
As of 2/22
 100LL JET A JET A (FSII) MOGAS UL94
Self Serve 5.56
Full Serve 5.56 5.19
Fuel Notes
Prices include tax
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Weather and Advisory

AWOS-3PT 126.05
(740) 397-6297

Common

CTAF 123.05
ACTVT REIL RWY 10 & 28; MIRL RWY 10/28 - CTAF. PAPI RWY 10 & 28 OPR CONSLY.
UNICOM 123.05

Clearance

Clearance Delivery 119.45

Approach

COLUMBUS APPROACH 125.95
Initial Contact

Departure

COLUMBUS DEPARTURE 125.95
Initial Contact

FAA A/FD Pages

Airport Minimums

Instrument Approach

Terminal Area Forecast

KCMH (26nm)
Sun, 2/22 12:37 PM EST
Sun, 2/22 1:00 PM EST - Mon, 2/23 1:00 PM EST
IFR
Temporary 1:00 PM EST - 5:00 PM EST
Light Showers and Snow
Overcast 1,500'
1.5sm
Calm
MVFR
1:00 PM EST - 7:00 PM EST
Light Showers and Snow
Overcast 2,200'
3sm
290° 12kts
Gusts 22kts
MVFR
7:00 PM EST - 1:00 AM EST
Light Showers and Snow
Overcast 1,500'
3sm
Calm
MVFR
7:00 PM EST - 4:00 AM EST
Light Showers and Snow
Overcast 1,500'
6sm
300° 15kts
Gusts 24kts
MVFR
4:00 AM EST - 1:00 PM EST
Overcast 1,200'
6sm
320° 15kts
Gusts 25kts
TAF KCMH 221737Z 2218/2318 29012G22KT 3SM -SHSN OVC022
   TEMPO 2218/2222 1 1/2SM -SHSN OVC015
   FM230000 30015G24KT P6SM -SHSN OVC015
   PROB30 2300/2306 3SM -SHSN OVC015
   FM230900 32015G25KT P6SM OVC012
4I3
EffectiveExpiresCategoryNOTAM
Domestic
2/21/26
0401Z
6/21/26
0401Z
!4I3 02/007 4I3 OBST TOWER LGT (ASR 1266827) 401214.70N0823502.50W (8.0NM SSW 4I3) 1524.9FT (410.1FT AGL) U/S 2602210401-2606210401
2/19/26
1701Z
6/30/26
2359Z
!4I3 02/006 4I3 OBST TOWER LGT (ASR 1050873) 402123.00N0823315.00W (2.1NM NW 4I3) 1397.0FT (196.9FT AGL) U/S 2602191701-2606302359
No
MON-FRI 0700-1700
SAT-SUN 0900-1700
24 HR PN FOR ATNDNC AFT HRS - CALL AMGR.
KNOX CO ARPT AUTHORITY
6481 KINNEY RD
MOUNT VERNON, OH 43050
Phone: 740-397-9647
JOSH WYNN
6481 KINNEY RD
MOUNT VERNON, OH 43050
Phone: 740-397-9647
CLEVELAND FSS (CLE)
Toll Free: 1-800-WX-BRIEF
4I3
--
ACTVT REIL RWY 10 & 28; MIRL RWY 10/28 - CTAF. PAPI RWY 10 & 28 OPR CONSLY.
N/A
Yes - Lighted
No
No
Hanger, Tie-Down
NOT a Landing Rights Airport
NOT an Airport of Entry
Major
Major
None
None
Crop Dusting
Pilot Instruction
Aircraft Rental

Runway 10/28

5504 ft. x 100 ft.
ASPH  
Good 
GRVD 
MED 
 
55,000lbs 
100,000lbs 
-- 
-- 
  Runway 10 Runway 28
True Heading 98°278°
Traffic Pattern Left Left
Markings NPI NPI
Markings Condition GOOD GOOD
Latitude 40° 19' 48"N 40° 19' 40"N
Longitude 82° 32' 09"W 82° 30' 59"W
Elevation 1,187' 1,184'
Threshold Crossing Height 40 ft. AGL 40 ft. AGL
Visual Glide Path Angle 3° 3°
Visual Slope Indicator P4L P4L
Approach Lights
Centerline Lights No No
Runway End Identifier Lights Yes Yes
A110-1DEER, BIRDS, & OTR WILDLIFE ON & INVOF ARPT.
A14KNOXAIRPORT@EMBARQMAIL.COM.
A17-M124 HR PN FOR ATNDNC AFT HRS - CALL AMGR.
A70-100LLFUEL AVBL H24 SELF SER VIA CREDIT CARD.
A81-APTACTVT REIL RWY 10 & 28; MIRL RWY 10/28 - CTAF. PAPI RWY 10 & 28 OPR CONSLY.
KNOX COUNTY (IATA: 4I3) is a public airport located in MOUNT VERNON, OH, US.