K4I3

Knox County Airport

Mount Vernon, OhioElevation 1,191 ftSmall airport

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RUNWAYS

Runway detail & declared distances

1 runway · longest 5,504 ft

10/28
Dimensions
5,504 x 100 ft
Surface
Asphalt (good)
Edge lights
MED
RWY 1098°T
REILYes
VGSIPAPI (P4L)
Traffic patternLeft
RWY 28278°T
REILYes
VGSIPAPI (P4L)
Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

AIRPORT INFORMATION

Facility & services

Knox County Airport is in Mount Vernon, Ohio. Field elevation 1,191 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerJOSH WYNN
Manager phone740-397-9647
AttendedALL MON-FRI, 0700–1700
CHARTS & AIRSPACE
ICAO / IATAK4I3
SectionalDETROIT
Center (ARTCC)INDIANAPOLIS
Flight service (AFSS)CLEVELAND
RegionOhio
CountryUnited States
Coordinates40.3287, -82.5238
Distance from city4 NM SW
SERVICES & LIGHTING
FuelJet A+
Control towerNon-towered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
Traffic pattern alt808 ft MSL
CTAF123.050
UNICOM123.050
FREQUENCIES

Communications

120.2
COLUMBUS APP/DEP
A/D
118.425
AWOS 3
AWOS
119.45
CLNC DEL
CLD
116.7
DAYTON RDO
RDO
123.05
CTAF/UNICOM
UNIC
123.050
CTAF
CTAF
123.050
UNICOM
UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRPORT REMARKS

Operational remarks

FUEL AVBL H24 SELF SER VIA CREDIT CARD.
DEER, BIRDS, & OTR WILDLIFE ON & INVOF ARPT.
24 HR PN FOR ATNDNC AFT HRS - CALL AMGR.
KNOXAIRPORT@EMBARQMAIL.COM.
ACTVT REIL RWY 10 & 28; MIRL RWY 10/28 - CTAF. PAPI RWY 10 & 28 OPR CONSLY.
FREQUENTLY ASKED
Does K4I3 have a METAR?
Yes. K4I3 is a METAR-reporting station; the current observation loads live on this page.
Does K4I3 have a TAF?
When K4I3 issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.
What is the field elevation at K4I3?
K4I3 sits at 1,191 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for K4I3?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.