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KOSH

OSH

Wittman Regional Airport · Oshkosh

Key Facts

Technical summary and operational standards.

ILS Approach StatusILS FREQUENCIES VERIFIED ✅

Field Elevation

808 ft / 246 m

Transition Altitude

18,000 ft

Primary Channel

TWR 118.50 MHz (OSHKOSH TWR)

Runway Summary

18/368,002 ftConcreteLIGHTED

9/276,178 ftAsphaltLIGHTED

5/233,424 ftAsphaltUNLIT

Details Runways Frequencies Navaids Nearby

Mission Briefing & Tools

Direct calculators and pre-filled resources for this airport.

SkyVector FlightAware Live METAR Satellite

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Briefing for Wittman Regional Airport (KOSH), United States. This facility features 4 active runways with an elevation of 808 ft. Verified ILS frequencies are available for precision approaches.Maintain a Transition Altitude of 18,000 ft for altimeter reset.

Airport Details

Full geographical and organizational metadata.

Full Name

Wittman Regional Airport

ICAO / IATA

KOSH / OSH

Municipality

Oshkosh

Country

Region

US-WI

GPS Coordinates

43.984402, -88.556999

Transition Altitude

18,000 ft

Official Website

Wikipedia

Runways & ILS Approach Data

Detailed dimensions and verified landing frequencies.

Runway 18 / 36

ILSLIGHTED

Crosswind 18 Crosswind 36 TOD VDP

Length: 8,002 ft / 2,439 m
Surface: Concrete
Heading: 180.5° / 0.5°

RWY 18

No ILS

RWY 36

110.50 MHz

ID: OSH | CRS: 4°

Runway 9 / 27

LIGHTED

Crosswind 9 Crosswind 27 TOD VDP

Length: 6,178 ft / 1,883 m
Surface: Asphalt
Heading: 91° / 271°

RWY 9

No ILS

RWY 27

No ILS

Runway 5 / 23

UNLIT

Crosswind 5 Crosswind 23 TOD VDP

Length: 3,424 ft / 1,044 m
Surface: Asphalt
Heading: 45° / 225°

RWY 5

No ILS

RWY 23

No ILS

Runway 13 / 31

UNLIT

Crosswind 13 Crosswind 31 TOD VDP

Length: 3,060 ft / 933 m
Surface: Asphalt
Heading: 129.4° / 309.4°

RWY 13

No ILS

RWY 31

No ILS

Nearby Navaids

VOR, NDB, DME stations in the vicinity.

AQ · NDB (Kooky)407 kHz

753 ft · Associated: None
44.215900, -88.399002

AT · NDB (Gamie)230 kHz

0 ft · Associated: None
44.162399, -88.584900

FLD · NDB (Fond Du Lac)248 kHz

0 ft · Associated: WI73
43.769501, -88.484596

OS · NDB (Pober)395 kHz

0 ft · Associated: KOSH
43.873901, -88.557602

OSH · VORTAC (Oshkosh)111,800 kHz

780 ft · Associated: KOSH
43.990398, -88.555901

Communication Frequencies

ATC and advisory channels.

ATIS ATIS

125.90 MHz

CNTR CHICAGO CNTR

127.00 MHz

CTAF CTAF

118.50 MHz

GND GND

121.90 MHz

RDO GREEN BAY RDO

122.25 MHz

TWR OSHKOSH TWR

118.50 MHz

UNIC UNICOM

122.95 MHz

Nearby Airports

Alternatives in the vicinity.

Appleton International Airport

Austin Straubel International Airport

Dane County Regional Truax Field

Central Wisconsin Airport

General Mitchell International Airport

Data Source: OurAirports · Technical Briefing Jan 2026
ILS Data Source: AIP / FAA NASR Cycle Verified