4I3

VFR

KNOX COUNTY

MOUNT VERNON · OHIO

Elev
1,191.6'
Longest RWY
5,504'10/28
Tower
None
Status
Uncontrolled
Now--Z· METAR08:35Z
© Esri
Runways rendered from FAA survey · not for navExpand →
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
RWY 10
H/W +11 · X/W 14 kt R

METAR & TAF 4I3

Current METAR

Observed 08:35Z

K4I3 280835Z AUTO 15018G26KT 8SM -RA BKN070 BKN110 13/13 A2977 RMK AO2 PK WND 14026/31 PRESFR
Wind
150° @ 18G26 kt
Visibility
8 SM
Temp / Dew
13°C / 13°C
Altimeter
29.77 inHg
Clouds
BKN
Density alt
1,424 ft
Ceiling
7,000 ft AGL
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

Name
JOSH WYNN
Address
6481 KINNEY RD, MOUNT VERNON OH 43050-9301

Flight service · Hours

FSS CLE
CLEVELAND1-800-WX-BRIEF
Attendance
  • MON-FRI · 0700-1700
  • SAT-SUN · 0900-1700

Frequencies

Tap any row to copy the frequency to your clipboard.

Advisory / CTAF
Approach / Departure
Other

Runways & pattern

Full page

Runway & wind

tap a runway
150° · 18 kt
RWY 10
092°M
Head/Tail
+11 kt
Crosswind
14 kt R

Pattern entry · RWY 10

LEFT TRAFFIC
CrosswindCrosswindDownwindDownwindBaseBaseFinalFinal45° entry45° entryRWY 10 · 092° · LEFT TRAFFICPattern 2,000 ft MSL
RunwayHeading (°M)LengthSurfaceTraffic
10/28Favored92° / 272°5,504 ftASPHStandard L

Runway end performance

EndTORATODAASDALDAVGSIApproach lightsObstruction
10PAPI 4-box left(3°)126', trees, 3188' from thr, 60' R of cntrln, slope 23
28PAPI 4-box left(3°)51', trees, 1962' from thr, 65' R of cntrln, slope 34

Declared distances in feet. TORA = takeoff run available, TODA = takeoff distance, ASDA = accelerate-stop, LDA = landing distance.

Airport sketch

Runways drawn to scale from FAA survey coordinates, rendered over live satellite imagery. Not for navigation.

© Esri

Approaches & charts

RNAV (GPS) RWY 10
4I3 · IAP
Can’t preview this PDF inline. Open it →

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.

General notes

  • Deer, birds, and other wildlife are on and in the vicinity of the airport.Show FAA

Lighting notes

  • Runway end identifier lights are activated on runways 10 and 28. Medium intensity runway lights are on runways 10 and 28 and controlled by CTAF. Precision approach path indicators on runways 10 and 28 operate continuously.Show FAA

Fuel notes

  • 100LL100LL fuel is available 24 hours self-service via credit card.Show FAA

Other notes

  • 1Twenty-four hour prior notice is required for attendance after hours. Call the airport manager.Show FAA
  • MANAGERThe airport manager can be contacted at knoxairport@embarqmail.com.Show FAA

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
1
Longest runway
10/28 · 5,504 ft
Published ILS approaches
0
Published frequencies
5
Magnetic variation
Current flight rules
VFR
Current wind
150° at 18 kt
Favored runway now
RWY 10

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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