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EAA AirVenture Oshkosh

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500,000+ (2014)

Air show


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Typically the last week of July

Aerobatic DisplaysStatic Displays

Organized by
EAA AirVenture Museum, Lake Winnebago, Paine Art Center and Gardens, University of Wisconsin–Oshkosh, Oshkosh Grand Opera Ho

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EAA AirVenture Oshkosh (formerly the EAA Annual Convention and Fly-In) is an annual gathering of aviation enthusiasts held each summer at Wittman Regional Airport (43°59′04″N 088°33′25″W) in Oshkosh, Wisconsin, United States. The airshow is sponsored by the Experimental Aircraft Association (EAA), an international organization based in Oshkosh, and is the largest of its kind in the world. The show lasts a week, usually beginning on the last Monday in July. During the gathering, the airport's control tower is the busiest in the world.


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EAA was founded in Hales Corners, Wisconsin in 1953 by Paul Poberezny, who originally started the organization in the basement of his home for builders and restorers of recreational aircraft. Although homebuilding is still a large part of the organization's activities, it has grown to include almost every aspect of recreational aviation and aeronautics. The first EAA fly-in was held in September 1953 at what is now Timmerman Field as a small part of the Milwaukee Air Pageant, fewer than 150 people registered as visitors the first year and only a handful of airplanes attended the event. In 1959, the EAA fly-in grew too large for the Air Pageant and moved to Rockford, Illinois. In 1970, when it outgrew its facilities at the Rockford airport, it moved to Oshkosh, Wisconsin.

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For many years the official name of the event was The EAA Annual Convention and Fly-In. In 1998, the name was changed to AirVenture Oshkosh, but many regular attendees still call it as The Oshkosh Airshow or just Oshkosh. For many years, access to the flight line was restricted to EAA members. In 1997, the fee structure for the show was changed allowing all visitors access to the entire grounds. EAA AirVenture holds nearly 1,000 forums and workshops.

Historical aircraft debuts

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AirVenture has been the aviation breeding ground throughout history for the debuts of numerous revolutionary designs. Richard VanGrunsven debuted his Van's RV-3 at the 1972 AirVenture Oshkosh, a homebuilt that defined new ways of aircraft performance. VanGrunsven would eventually go on to build more homebuilts than anyone else in the world, exceeding the annual production of all commercial general aviation companies combined. In 1975, aircraft designer Burt Rutan introduced his VariEze canard aircraft at Oshkosh, pioneering the use of moldless glass-reinforced plastic construction in homebuilts, a technique that several aircraft went on to adopt in the ensuing years including composite commercial airliners. At the 1987 AirVenture, Cirrus Aircraft's founders, the Klapmeier brothers, unveiled the Cirrus VK-30 kit aircraft, which later led to the creation of the successful SR20 and SR22, the first designs to incorporate all-composite fiberglass construction, glass-panel cockpits and airframe ballistic parachutes for use in manufactured light aircraft.

Other past notable designs introduced at AirVenture include Frank Christensen's Christen Eagle II aerobatic kit biplane in 1978, Tom Hamilton's Glasair 1 in 1980, and Lance Nebeur's Lancair 200 in 1985.


The EAA estimated the attendance in 2014 at over 500,000, with 2,081 visitors registered from 69 nations. There were approximately 10,000 aircraft, 2,000 show planes, and over 900 media representatives on-site from five continents, along with 790 commercial exhibitors.

In the past, attendance at the event is tabulated on daily basis rather than an individual basis. For example, in 2006 the Oshkosh Northwestern reported that attendance was estimated at 625,000 by the EAA. The estimate was for total attendees each day, so one person attending 7 days would count as 7 attendees. The paper estimated that between 200,000 and 300,000 individuals attended the event. It is unclear whether this practice still exists at EAA Airventure.

The large number of aircraft arrivals and departures during the fly-in week makes the Wittman Field FAA Control Tower the busiest in the world for that week in number of movements. To accommodate the huge flow of aircraft around the airport and the nearby airspace, a special NOTAM is published each year, choreographing the normal and emergency procedures to follow. More than 4,000 volunteers contribute approximately 250,000 hours before, during and after the event.

Economic impact

The EAA AirVenture fly-in has a large economic impact to the Oshkosh area as well as the state of Wisconsin. In 1982, the Milwaukee Journal Sentinel reported that the fly-in had a large economic benefit to the Fox Valley region. At the time EAA estimated the benefit to be around $30 million ($74.5 million in today's terms) and the Oshkosh Convention and Tourism bureau estimated it to be lower, at $21 million ($52.1 million today). In 1989, the Oshkosh Chamber of Commerce said that Winnebago county had a $47 million benefit from the fly in. Additionally, a 1987 UW-Oshkosh study reported a $65 million ($137 million in today's dollars) benefit to the entire state of Wisconsin.

In 2008, a UW-Oshkosh Center for Community Partnerships study showed a $110 million economic impact for the Oshkosh area. Of that, $84 million was direct impact with a $26 million multiplier from secondary spending. Additionally, the fly in provided 1,700 jobs and $39 million in labor income for Winnebago, Outagamie and Fond du Lac counties.

Air-traffic operation

In 1961, The Rockford EAA airshow had 10,000 aircraft movements. In 1971, the EAA airshow at Oshkosh brought in 600 planes and 31,653 movements. Today AirVenture brings in more than 10,000 airplanes. Special air traffic procedures are used to ensure safe, coordinated operations. For example, in 2014 the Special Flight Procedures NOTAM was 32 pages long.

FAA air traffic staff, including controllers, supervisors, and managers, compete throughout the FAA's 17-state Central Terminal Service Area to work the event. In 2008, 172 air traffic professionals representing 56 facilities volunteered to staff the facilities at Oshkosh (OSH), Fond du Lac (FLD), and Fisk. They wear bright pink shirts to stand out in the crowd.

Due to the Budget sequestration in 2013, the Federal Aviation Administration announced that it was not able to send resources to support the AirVenture. Rather than cancelling the event, the Experimental Aircraft Association was forced to sign a $447,000 contract to repay the government for FAA resources during the AirVenture. EAA filed a petition in Federal court arguing that the FAA could not withhold services without specific Congressional action. However, in March 2014 EAA signed a settlement agreement agreeing to pay the 2013 costs and a further agreement that guaranteed FAA participation for another nine years. The agreement required the association to reimburse the government for AirVenture specific costs that had been provided at government expense in the years prior to 2013.

Technical operations

Several days prior to the event, members of the FAA's Technical Operation team from around the Central Service Area arrive in Oshkosh to set up the temporary communication facilities (mobile communication platforms, FISK VFR Approach Control and Fond du Lac (FLD) tower). These technicians maintain the facilities during the event and tear down and store the equipment after AirVenture ends.


EAA AirVenture relies heavily on volunteers, who arrive in the weeks leading up to the air show. The tasks they perform range from parking cars and airplanes, to painting buildings, to helping set up and tear down concerts and shows presented by the EAA. Long-time volunteers receive free meals, tee-shirts, embroidered patches, and free admission into the EAA AirVenture event.

National Blue Beret

National Blue Beret (NBB) is a National Cadet Special Activity in the Civil Air Patrol. The event is two weeks long and is set up so that the second week will overlap with the AirVenture airshow. Participants are Civil Air Patrol cadet and senior members who must go though a competitive selection process in order to attend the event. Participants help conduct event operations, including flight marshaling, crowd control, and emergency services.


EAA AirVenture Oshkosh Wikipedia