KOSH: Sonex Aircraft Open House and Homecoming Fly-In

General Events
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Sonex Aircraft Open House and Homecoming Fly-In

July 20, 2025, 10:00 am to 2:00 pm: Oshkosh, WI

Our 21st annual Sonex Open House and Homecoming Fly-In event will be held the day before the official start of EAA AirVenture Oshkosh. Hours: 10:00 am to 2:00 pm.

Stop-by and tour the Sonex factory. Builders, make sure that you stick-around for the group photo at lunch time! All Sonex pilots flying-in to AirVenture are invited to bring their aircraft to this event on Sunday for all to see. You can then participate in the traditional “mass taxi arrival” across the field to show grounds and Sonex homebuilt parking, along with the fleet of factory prototype aircraft!

See our Map to get here.

For Fly-In taxi and parking instructions, download our Sonex Aircraft Fly-In Traffic Instructions.

Also be sure to download and study the EAA AirVenture Oshkosh 2025 NOTAM.

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Looking forward to seeing everyone later this morning!

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Still packing, should make it before the end.

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James’s very nice Corvair powered Sonex, N473JZ

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Jake flew his Sonex in from Goshen, IN.

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I hope to make it next year!

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Tim Wrede and his son flew in Wednesday from Long Island, NY. They are flying out Friday.

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Aeromomentum Engine
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Here’s a video Adam posted yesterday. Corvair Sonex takeoff, and yesterday we saw Casey Cooper take off in his Rotax Sonex. I was really impressed by Casey’s takeoff performance. Stood out above pretty much everything.