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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
4/16/26-5/14/26
K4I3 VFR
8:55 PM EDT  
Broken 11,000'
Broken 7,000'
10sm
72°F
52°F
29.73"Hg
200° 6kts
AO2
METAR K4I3 250055Z AUTO 20006KT 10SM BKN070 BKN110 22/11 A2973 RMK AO2
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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 4/9
 100LL JET A JET A (FSII) MOGAS UL94
Self Serve 5.56
Full Serve 5.56 5.19
Fuel Notes
Prices include tax
X

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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)
Fri, 4/24 7:34 PM EDT
Fri, 4/24 8:00 PM EDT - Sat, 4/25 8:00 PM EDT
VFR
8:00 PM EDT - 11:00 PM EDT
Broken 25,000'
Scattered 9,000'
6sm
230° 9kts
Gusts 18kts
VFR
8:00 PM EDT - 11:00 PM EDT
Light Showers and Rain
No Clouds
N/A
Calm
VFR
11:00 PM EDT - 5:00 AM EDT
Light Showers and Rain
Broken 6,000'
6sm
280° 6kts
VFR
5:00 AM EDT - 8:00 AM EDT
Light Showers and Rain
No Clouds
N/A
Calm
MVFR
5:00 AM EDT - 2:00 PM EDT
Overcast 4,000'
Broken 1,300'
6sm
300° 5kts
MVFR
2:00 PM EDT - 8:00 PM EDT
Broken 2,500'
6sm
340° 10kts
TAF KCMH 242334Z 2500/2524 23009G18KT P6SM SCT090 BKN250
   PROB30 2500/2503 -SHRA
   FM250300 28006KT P6SM -SHRA BKN060
   FM250900 30005KT P6SM BKN013 OVC040
   PROB30 2509/2512 -SHRA
   FM251800 34010KT P6SM BKN025
4I3
EffectiveExpiresCategoryNOTAM
Domestic
4/24/26
1334Z
6/8/26
0833Z
!4I3 04/007 4I3 OBST TOWER LGT (ASN 2025-AGL-11077-OE) 401210N0822237W (10.1NM SE 4I3) 1371FT (260FT AGL) U/S 2604241334-2606080833
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.