Oshkosh, Wisconsin
KOSH Wittman Rgnl
Wittman Rgnl (KOSH) is a towered, public-use airport in Oshkosh, Wisconsin, at 808.5 ft MSL. It has 4 runways: 05/23 (3,424 by 75 ft, asphalt), 09/27 (6,179 by 150 ft, concrete), 13/31 (3,061 by 75 ft, asphalt), 18/36 (8,002 by 150 ft, concrete). CTAF 118.5.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- ICAO KOSH, FAA OSH
- Location
- Oshkosh, Wisconsin (Winnebago County). 2 NM S of the city center
- Elevation
- 808.5 ft MSL
- Position
- 43.9844° N, 88.5570° W
- Control tower
- Yes (ATCT)
- Sectional chart
- Chicago
- Magnetic variation
- 3° W (2015)
- Fuel
- 100LL, Jet A+
- Ownership
- Publicly owned, open to the public
- Attendance
- MON-FRI 0700-1900; SAT-SUN 0800-1700
4 runways
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 05/23 | 3,424 × 75 ft | Asphalt, fair condition | Not listed |
| 09/27 | 6,179 × 150 ft | Concrete, good condition | High intensity |
| 13/31 | 3,061 × 75 ft | Asphalt, fair condition | Not listed |
| 18/36 | 8,002 × 150 ft | Concrete, good condition | High intensity |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 05 | Left traffic | None listed | None listed | None listed | Not listed |
| 23 | Left traffic | None listed | None listed | None listed | Not listed |
| 09 | Left traffic | 4-light PAPI, left | None listed | None listed | 5,648 ft |
| 27 | Left traffic | 4-light PAPI, left | None listed | 531 ft | 5,648 ft |
| 13 | Left traffic | None listed | None listed | None listed | Not listed |
| 31 | Left traffic | None listed | None listed | None listed | Not listed |
| 18 | Left traffic | 4-light PAPI, left | None listed | None listed | Not listed |
| 36 | Left traffic | 4-light PAPI, left | ILS | None listed | Not listed |
VHF
Frequencies
- ATIS
- 125.9
- "Oshkosh". Hours 16 MAR-31 OCT 0600-2200, 1 NOV-15 MAR 0600-2100
- CTAF
- 118.5
- UNICOM
- 122.95
- Tower
- 118.5
- "Oshkosh". Hours 16 MAR-31 OCT 0600-2200, 1 NOV-15 MAR 0600-2100
- Ground
- 132.3
- "Oshkosh". Hours 16 MAR-31 OCT 0600-2200, 1 NOV-15 MAR 0600-2100
- Approach / departure
- 127.0
- "Milwaukee"
Weather station
- ASOS OSH
- No frequency listed
Before you go
Brief KOSH in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Wittman Rgnl, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.