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🇺🇸 Wittman Regional Airport

Oshkosh, US-WI, US 808 ft America/Chicago
Updated Jun 14, 2026

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Wittman Regional Airport (IATA: OSH, ICAO: KOSH) serves Oshkosh, US.

Wittman Regional Airport (OSH, KOSH) is a publicly-owned, public-use airport located two nautical miles south of Oshkosh, Wisconsin, in Winnebago County. It is owned and operated by Winnebago County.

Notable Features and History:

  • The airport was originally named Winnebago County Airport and was renamed in 1972 after pioneer air racer, aircraft designer, and builder Steve Wittman.
  • It is adjacent to Pioneer Airport, part of the EAA Aviation Museum.
  • Wittman Regional Airport is the site of the annual Experimental Aircraft Association's AirVenture Oshkosh, a major experimental aircraft and sport aviation airshow. This event accounts for a large number of the airport's annual operations.
  • The airport has serviced large aircraft such as the Boeing 747, Airbus A380, and Concorde.
  • Commercial airline services ceased in March 2003, though it was once the commercial air hub of the Fox Cities.

Current Status:

  • The airport is open to the public and has a control tower.
  • It covers an area of 1,392 acres with an elevation of 809 feet above mean sea level.
  • Wittman Regional Airport has four paved runways, the longest being 8,002 by 150 feet.
  • For the 12-month period ending December 31, 2021, the airport had 80,102 aircraft operations, with 97% being general aviation.
  • As of July 2024, there were 168 aircraft based at the airport.
  • Services available include major airframe and powerplant repair, and fuel (100LL and Jet A+).

*Sources researched: innebagocountywi.gov, en.wikipedia.org, airnav.com, skyvector.com*

AirportRoutes · updated Jun 14, 2026

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Where is Wittman Regional Airport located?

Wittman Regional Airport is located in Oshkosh, US, at an elevation of 808 ft. Its IATA code is OSH and ICAO code is KOSH.