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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
5/14/26-6/11/26
K4I3 VFR
2:35 AM EDT  
Clear
10sm
41°F
39°F
30.03"Hg
290° 3kts
AO2
METAR K4I3 150635Z AUTO 29003KT 10SM CLR 05/04 A3003 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 5/6
 100LL JET A JET A (FSII) MOGAS UL94
Self Serve 5.85
Full Serve 5.85 5.86
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)
Fri, 5/15 1:39 AM EDT
Fri, 5/15 2:00 AM EDT - Sat, 5/16 2:00 AM EDT
VFR
2:00 AM EDT - 10:00 AM EDT
Scattered 25,000'
6sm
Calm
VFR
10:00 AM EDT - 7:00 PM EDT
Broken 15,000'
Scattered 12,000'
6sm
210° 7kts
VFR
7:00 PM EDT - 1:00 AM EDT
Broken 9,000'
6sm
VRB° 3kts
VFR
1:00 AM EDT - 2:00 AM EDT
Broken 15,000'
6sm
150° 4kts
TAF KCMH 150539Z 1506/1606 00000KT P6SM SCT250
   FM151400 21007KT P6SM SCT120 BKN150
   FM152300 VRB03KT P6SM BKN090
   FM160500 15004KT P6SM BKN150
4I3
EffectiveExpiresCategoryNOTAM
Domestic
5/15/26
0500Z
5/15/26
1000Z
!4I3 05/002 4I3 COM CLR DELIVERY 119.45 U/S 2605150500-2605151000
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.