4I3 Knox County Airport
Mount Vernon, OH · 4 miles SW of MOUNT VERNON, OH
Public
Non-towered
Publicly-owned
Location & operations
- Elevation
- 1191.6 ft
- Coordinates
- 40-19-44.0820N 082-31-33.8540W
- Lat / Long
- 40.3289117, -82.5260706
- Mag. variation
- 06W (1990)
- Time zone
- UTC -4 (UTC -5 during Standard Time)
- ARTCC
- INDIANAPOLIS CENTER
- FSS
- CLEVELAND FLIGHT SERVICE STATION
- NOTAMs facility
- 4I3 (NOTAM-D service available)
- Attendance
- MON-FRI 0700-1700, ALL SAT-SUN 0900-1700 24 HR PN FOR ATNDNC AFT HRS - CALL AMGR.
- Pattern altitude
- 1999.6 ft. MSL
- Wind indicator
- lighted
- Segmented circle
- no
- Beacon
- white-green (lighted land airport) Operates sunset to sunrise.
- Lights
- ACTVT REIL RWY 10 & 28; MIRL RWY 10/28 - CTAF. PAPI RWY 10 & 28 OPR CONSLY.
Airport location no published diagram
Range from 4I3
Runways
Longest 5504 ft
Tap a runway to see its details.
- Dimensions
- 5504 x 100 ft. / 1678 x 30 m
- Surface
- asphalt/grooved, in good condition
- Edge lights
- medium intensity
- Weight bearing
- Single wheel 55.0
Runway 10
- Heading
- 104 magnetic, 098 true
- VGSI / PAPI
- 4-light PAPI on left (3.00 degrees glide path)
- Markings
- nonprecision, in good condition
- Touchdown point
- yes, no lights
- REIL
- yes
- Traffic pattern
- left
- Threshold elevation
- 1187.3 ft.
- Obstructions
- 126 ft. trees, 3188 ft. from runway, 60 ft. left of centerline, 23:1 slope to clear
Runway 28
- Heading
- 284 magnetic, 278 true
- VGSI / PAPI
- 4-light PAPI on left (3.00 degrees glide path)
- Markings
- nonprecision, in good condition
- Touchdown point
- yes, no lights
- REIL
- yes
- Traffic pattern
- left
- Threshold elevation
- 1184.4 ft.
- Obstructions
- 51 ft. trees, 1962 ft. from runway, 65 ft. left of centerline, 34:1 slope to clear
Terminal procedures FAA d-TPP · cycle 2608 · through 0901Z 09/03/26
Departures — DP / ODP 2
Approaches — IAP 3
Arrivals — STAR 0
None published.
Procedure charts published by the FAA (public domain). Confirm the current cycle before flight.
Communications
- Control Tower
- no
- Ctaf/unicom
- 123.05
- Wx Awos-3pt
- 126.05 (740-397-6297)
- Columbus Approach
- 125.95
- Columbus Departure
- 125.95
- Clearance Delivery
- 119.45
Services
- Fuel
- 100LL JET-A+ 100LL:FUEL AVBL H24 SELF SER VIA CREDIT CARD.
- Fuel available
- 100LL JET-A+ 100LL:FUEL AVBL H24 SELF SER VIA CREDIT CARD.
- Parking
- hangars and tiedowns
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
Airport data aggregated from public FAA/AirNav sources for reference only — always consult official charts and NOTAMs for flight planning.