EAA AirVenture Oshkosh - The World's Greatest Aviation Celebration
Ultralight Arrival Procedures
Ultralight/Homebuilt Rotorcraft Flight Operations


The procedure to fly into the AirVenture ultralight runway is published in the FAA issued Notice to Airmen (NOTAM). If you plan to fly into AirVenture you must obtain a copy of the current NOTAM and follow the procedures outlined in the NOTAM. Page 19 of the NOTAM describes procedures to fly into the ultralight runway.

In addition to the FAA issued NOTAM the following information and pictures will be helpful in understanding the pattern and arrival / departure procedures. NOTE - Once you have arrived prior to flying in the pattern, you must attend a briefing.  An in-flight video of the AirVenture ultralight pattern is available by clicking here.

Below is an overview map showing Wittman Regional Airport which includes the location of the arrival procedure entry point, Hwy 26 and Hwy Z.

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The following picture shows the Ultralight pattern entry to EAA AirVenture Oshkosh. Notice that the only approved entry is at Hwy 26 and Hwy Z. From there proceed at 300 feet AGL northeast along Hwy 26 to the Hwy 26 and Hwy 41 intersection.

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The map below shows a closer look at the overall ultralight pattern. The overlaying red stripes signify the "No Fly Zone" again just to drive the point home. As we're zooming in closer at the ultralight pattern, notice that the western boundary is Hwy 41, the southern boundary is County Road N, those are the easy ones. Where most have trouble is with the eastern and northern boundaries. We'll continue with more pictures and close ups so you can familiarize yourself with the landmarks and procedures.

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The next picture highlights the turn points for the northern and eastern portions of the pattern.  The landmarks are labeled here and in the upcoming photos as well.  The yellow line indicates the ultralight flight pattern, the red rectangle is the ultralight runway.

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Let's look at the eastern portion of our pattern, where the potential for trouble is probably at its highest. It requires that pilots fly no further east than the blacktop road parallel to runway 18-36.  East of the blacktop road is aircraft parking for vintage general aviation aircraft, and east beyond that is runway 18-36.  Ultralight pattern altitude is 300ft AGL. 

The images below indicate the major landmarks of the eastern portion of the pattern as well as the actual runway.  Pay close attention to the displaced thresholds and the eastern boundary depicted by the solid yellow line.

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Now let's move on to the northwest corner of our pattern. Our biggest problem here is when arrivals enter the pattern at Hwy 26 and 41, and need to proceed north parallel to Hwy 41 due to the current weather and winds. If our pattern is in a southern operation, we are flying in a clockwise rotation. Those new arrivals are proceeding north along Hwy 41 looking for their turning point to proceed east.  The turn point is the billboard. The billboard is shown below. You should never be north of this billboard.

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A clear zone is marked with cones through the campground just southeast of the billboard. Overfly this clear zone. Never overfly the campers.

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Flight Schedule

Flight operations are broken into separate time periods to allow similar performance aircraft in the pattern at the same time. You should consider arriving to the runway during the time period your type is flying.

LSA's for the purpose of flight operations off the Ultralight field during AirVenture include any aircraft with ultralight-like flight characteristics. Vintage, LSA aircraft, Cubs and Champs, and traditional homebuilt aircraft should use the main runway operations.

All 2-place powered parachutes will operate with the 1-place PPCs.

Homebuilt rotorcraft is defined as helicopters and gyrocopters that can safely operate off the ultralight field.
Special considerations exist for Rotorcraft, and it is necessary to consult the NOTAM and rotorcraft flight operation volunteers for further instructions.

Adjustments to scheduled flight times will be made as appropriate for weather conditions.

AirVenture Ultralight and Light Plane Runway Operations Schedule
7 - 9 a.m. Powered Parachutes
9 a.m. - Noon Ultralight and Light Planes
Noon - 3 p.m. Rotorcraft
3 - 6:30 p.m. Air show, No flight operations
6:30 - 7:30 p.m. Ultralight and Light Planes
7:30 - 8 p.m. Powered Parachutes

Best Use Of Time

The schedule above is a "best case" typical day of flying at EAA AirVenture Oshkosh ... keep in mind that only pilots who have been briefed are allowed to participate in our flying segments. New arrivals will be parked and will be able to fly in the daily sessions only after receiving a full briefing. Times for briefings are posted in the Ultralight Barn Headquarters. It is best to plan your arrival at AirVenture Oshkosh during the posted times in the NOTAM, then look to see when your vehicles timeslots are (as listed above) for the best blend of traffic during your arrival. Remember that the NOTAM requires that you call the Ultralight Barn prior to your arrival, for current information. The field could be IFR or closed for "Special Circumstances". Always call ahead first. The Ultralight Barn HQ phone number is published in the NOTAM.

FUTURE AIRVENTURE DATES: 2014: July 28-Aug. 3; 2015: July 20-26; 2016: July 25-31; 2017: July 24-30
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