OSH
Wittman Regional Airport

Wittman Regional Airport (IATA: OSH, ICAO: KOSH) is a medium airport in Oshkosh, Wisconsin, United States. It opened in Oct 1937. It has 4 runways; the longest is 8,002 ft (2,439 m).
Timeline
1 event · 1937–1937OCT 1937
OpenedWittman Regional Airport opens.
From Wikidata · FAAEvery airfield, 1903–2026
Runways & airfield
Schematic · N · © OpenStreetMap · FAA diagram PDF18/36181° / 001° · LIT
LENGTH8,002 ft2,439 mWIDTH150 ft46 mSURFACEConcrete
09/27091° / 271° · LIT
LENGTH6,179 ft1,883 mWIDTH150 ft46 mSURFACEConcrete
05/23045° / 225°
LENGTH3,424 ft1,044 mWIDTH75 ft23 mSURFACEAsphalt
13/31129° / 309°
LENGTH3,061 ft933 mWIDTH75 ft23 mSURFACEAsphalt
Routes
3 destinations · 1 countryStraight lines are great circles; rings mark true distance from OSH. From the Wikipedia article “Wittman Regional Airport” (revision of 22 Sep 2026), CC BY-SA 4.0.
Records & rankings
Ranked among 48,011 open airports · world · region · countryScale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record
Radio frequencies
7 channelsATISATIS125.900
CNTRCHICAGO CNTR127.000
CTAFCTAF118.500
GNDGND121.900
RDOGREEN BAY RDO122.250
TWROSHKOSH TWR118.500
UNICUNICOM122.950