4I3

VFR

KNOX COUNTY

MOUNT VERNON · OHIO

Elev
1,191.6'
Longest RWY
Tower
None
Status
Uncontrolled
Now--Z· METAR22:15Z
VFR sectional · 4I3
Tap an ICAO chip to open that airportExpand →
Before you fly into 4I3
Conditions
VFR
Good for visual flying
Airport
Non-towered
Self-announce on CTAF
Pattern alt
1,999.6'
MSL · field 1,191.6' + 808 AGL
Favored RWY
Calm
No wind component

METAR & TAF 4I3

Current METAR

Observed 22:15Z

K4I3 092215Z AUTO 27006KT 10SM CLR 30/19 A2990 RMK AO2
Wind
270° @ 6 kt
Visibility
10 SM
Temp / Dew
30°C / 19°C
Altimeter
29.90 inHg
Clouds
CLR
Density alt
3,302 ft
Ceiling
Unlimited
Rules
VFR

Airport info & contacts

Manager on record, flight service, ARTCC, attendance schedule and pattern altitude — published by the FAA and refreshed every 28 days.

Location

From city
4 NM SW
VFR sectional
DETROIT
Pattern altitude
808 ft AGL · 2,000 ft MSL
ARTCC
ZID · INDIANAPOLIS
NOTAM facility
4I3 (NOTAM-D)

Airport manager

Not published.

Flight service · Hours

FSS CLE
CLEVELAND1-800-WX-BRIEF

Frequencies

Tap any row to copy the frequency to your clipboard.

No frequencies.

Runways & pattern

Full page

Runway & wind

tap a runway
270° · 6 kt

Pattern entry · RWY

No runway selected.
RunwayHeading (°M)LengthSurfaceTraffic

Approaches & charts

RNAV (GPS) RWY 10
4I3 · IAP
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Services on the field

Fuel grades, oxygen, maintenance, ramp storage and lighting — as declared to the FAA by the airport operator.

Fuel & services

Fuel
100LLA+
Oxygen (bottled)
Not available
Oxygen (bulk)
Not available
Airframe repair
Major
Power plant repair
Major
Other services
AGRI,INSTR,RNTL

Ramp & ground

Transient storage
  • Tie-down
  • Hangar
Landing fee
No fee published
Customs
Not available
Lighting schedule
SEE RMK
Beacon schedule
SS-SR
Beacon
White / Green (civil land)(WG)
Wind indicator
Lighted
Segmented circle
No

Fuel & FBOs

Cheapest 100LL and Jet A on the field and nearby. Always confirm with the FBO before taxi.

Airport notes

Surface conditions, obstructions, local procedures, lighting outages and other notes published with each FAA cycle.

No airport notes published for this field.

VFR map & nearby airports

VFR sectional. Tap any ICAO chip to open that airport.

Key facts · 4I3

Answer card
ICAO
4I3
Name
KNOX COUNTY
Location
MOUNT VERNON, OHIO
Elevation
1,191.6 ft MSL
Traffic pattern altitude
1,999.6 ft MSL (808 AGL)
Control tower
Non-towered (use CTAF)
Total runways
0
Longest runway
Published ILS approaches
0
Published frequencies
0
Magnetic variation
Current flight rules
VFR
Current wind
270° at 6 kt
Favored runway now

Knox County Airport sits in Mount Vernon, Ohio. The field elevation is 1,191.6 ft MSL. It has one runway. Runway 10/28 is 5,504 ft long with asphalt pavement. The airport is non-towered. The pattern altitude is 808 ft AGL, which is 1,999.6 ft MSL.

There are no ILS approaches published here. Pilots coming in should plan with the current FAA Chart Supplement and the Columbus approach frequencies in mind. The airport uses CTAF 123.05. UNICOM is also 123.05. The published approach and departure frequencies are 125.95 and 317.775 for Columbus.

The on-field FBO is Knox County Airport. It carries 100LL and Jet A with Prist. 100LL is available 24 hours self-serve by credit card. Runway end identifier lights are on runways 10 and 28. Medium intensity runway lights are also on 10 and 28. They are controlled by CTAF. The PAPI on both ends operates continuously.

For a first-time arrival, watch for wildlife. Deer, birds and other wildlife are reported on and near the airport. After-hours attendance requires 24-hour prior notice. Call the airport manager before planning anything outside normal support. The airport manager can also be reached at knoxairport@embarqmail.com.

Frequently asked questions

What is the pattern altitude at 4I3?
Pattern altitude is 808 ft AGL. That works out to 1,999.6 ft MSL at Knox County Airport.
Is Knox County Airport towered?
No. 4I3 is a non-towered airport, so use CTAF 123.05 for local traffic calls.
What runway does 4I3 use and how long is it?
Knox County Airport has one runway. Runway 10/28 is 5,504 ft long with asphalt pavement.
Does 4I3 have an ILS approach?
No ILS approaches are published for 4I3. Check the current FAA Chart Supplement for the latest approach data before you go.
What fuel is available at Knox County Airport?
The on-field FBO is Knox County Airport. It carries 100LL and Jet A with Prist. 100LL is available 24 hours self-serve by credit card.
What are the lighting details for runway 10/28 at 4I3?
Runway end identifier lights are published for runways 10 and 28. Medium intensity runway lights are on both ends. They are controlled by CTAF. The PAPI on both ends operates continuously.
Is there after-hours service at Knox County Airport?
After-hours attendance requires 24-hour prior notice. Call the airport manager before planning late arrival support.
What should I watch for on a first flight into 4I3?
Wildlife is a published concern. Deer, birds and other wildlife are on and near the airport. Keep a sharp scan on taxi, takeoff and landing.

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