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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
K4I3 LIFR
10:55 PM EST  
Fog
Overcast 200'
0.25sm
46°F
46°F
30.15"Hg
100° 2kts
AO2 P0001
METAR K4I3 040355Z AUTO 10002KT M1/4SM FG OVC002 08/08 A3015 RMK AO2 P0001
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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)
Tue, 3/3 6:39 PM EST
Tue, 3/3 7:00 PM EST - Wed, 3/4 7:00 PM EST
IFR
7:00 PM EST - 11:00 PM EST
Rain
Overcast 1,100'
1.5sm
210° 4kts
LIFR
Temporary 7:00 PM EST - 11:00 PM EST
Light Rain and Mist
Overcast 400'
1sm
Calm
IFR
11:00 PM EST - 5:00 AM EST
Mist
Overcast 500'
1.5sm
Calm
LIFR
12:00 AM EST - 5:00 AM EST
Light Rain
Overcast 300'
1sm
Calm
LIFR
5:00 AM EST - 10:00 AM EST
Light Rain and Mist
Overcast 400'
2sm
Calm
LIFR
10:00 AM EST - 4:00 PM EST
Light Rain
Overcast 300'
2sm
Calm
LIFR
10:00 AM EST - 7:00 PM EST
Light Rain and Mist
Overcast 400'
4sm
090° 5kts
TAF KCMH 032339Z 0400/0424 21004KT 1 1/2SM RA OVC011
   TEMPO 0400/0404 1SM -RA BR OVC004
   FM040400 00000KT 1 1/2SM BR OVC005
   PROB30 0405/0410 1SM -RA OVC003
   FM041000 00000KT 2SM -RA BR OVC004
   FM041500 09005KT 4SM -RA BR OVC004
   PROB30 0415/0421 2SM -RA OVC003
4I3
EffectiveExpiresCategoryNOTAM
Domestic
2/23/26
1232Z
!4I3 02/008 4I3 COM REMOTE TRANS/REC 119.45 U/S 2602231232-2603042000EST
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.