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Builder Organizations & Events

A tremendous grass-roots network of builders' groups and organizations have formed since Sonex's founding in 1998. These builders' groups provide invaluable camraderie and peer support, while also hosting numerous fly-in events across the country and around the globe. This page serves as a Directory of Builder Organizations as well as a Calendar of Builders' Events.

Builder Organizations Directory | Builders' Events Calendar

Builder Organizations Directory

If you are establishing a new Sonex Builder Organization, or would like to change information in your organization's listing below, please contact Sonex Aircraft, LLC!

Sonex Builders & Pilots Foundation

The Sonex Builders & Pilots Foundation is a national type club for builders and pilots of Sonex Aircraft designs founded to promote safety and education in building and operating Sonex aircraft. The Foundation, in conjunction with Sonex Aircraft LLC, has published a Flight Training Syllabus for Transition Training in Sonex Aircraft.

Read more about the Foundation in our Official Press Release.

The Sonex Builders & Pilots Foundation typically participate in the Great Lakes Sonex Fly-In held in June. Additionally, their Annual Membership Meeting is held each year during EAA AirVenture Oshkosh.

American Sonex Association

The American Sonex Association was founded by Sonex builder John Davis in September of 2004 as a way to provide the Southeast with a place to look at, fly in, and talk about the Sonex Aircraft. The entire purpose of the ASA is to provide help, encouragement, and special tools to Sonex builders where ever they might reside.

The ASA's flagship event is the annual Crossville Fly-In, held in October every year. The Association also hosts the annual North Carolina Spring Fling fly-in.

Florida Sonex Association

The Florida Sonex Association was founded in 2008 by Sonex builder Mike January to provide a safe and fun filled membership within Florida and surrounding states, to encourage their flying members to sponsor FSA fly-in events at their home airports, provide assistance to Sonex Aircraft pilots and builders in need if they become stranded or need assistance in construction within the state of Florida, as well as all member states and Canada (members who reside part-time in Florida, as well as other locations).

SonexAus (Australia)

SonexAus supports the owners and builders of the Sonex family of homebuilt aircraft. It aims to promote the building of Sonex aircraft as a recreational and educational pursuit and to advocate for the interests of Sonex owners and builders. SonexAus provides a wide range of practical assistance, information and social activities and flyins for the benefit of members and friends. SonexAus will maintain appropriate and effective working relationships and affiliations with SAAA, RAAus, AOPA and other relevant organisations and, if required, represents the interests of Sonex owners and builders with relevant government regulators.

SonexAus hosts an annual fly-in at Yarrawonga as their flagship event. SonexAus also is an exhibitor, and holds their annual meeting at the Recreational Aviation Australia (RA-Aus) National Convention (Natfly). Additional SonexAus events and fly-ins are organized throughout the year.

SonexEuro (Europe)

SonexEuro was founded in 2012 by UK builder Steve Moody to build the Sonex community across all of Europe.

No SonexEuro events have been scheduled at this time.

Builder Organizations Directory | Builders' Events Calendar

Builders' Events Calendar

The following events are being held by Sonex Aircraft builders and are a great way to network and see other builders' projects. To submit your event to this calendar, send us an email. Feel free to submit pictures of previous events of the same type to be included on this page.

Please note that Sonex Aircraft, LLC will generally not be attending these events. To see factory aircraft and displays, view the Sonex Aircraft, LLC Company Events Calendar. Also note that Sonex Aircraft, LLC has no ownership or affiliation with any associations or type clubs advertising events on this page.

May 2, 2015: 5th Annual NC Sonex Spring Fly-In
Asheboro Regional Airport (KHBI) Asheboro, NC

We have settled on a date for the Fifth Annual NC Sonex Spring Fly-in. On Saturday May 2, 2015 we are planning to return to Asheboro Airport (KHBI) this year. We thought that a change in Venue would be a good idea and give people an opportunity to see another great airport in North Carolina.

We would like to extend an invitation to you all to come and join us for a great day NC on Saturday May 2, 2015. Please mark your calendars and go to the registration page to register so that we can get an indication for food, drinks and parking.

Register on the ASA events page at:

If any of you out there would like to add to the content of the day please send me a note to "shaypete at" and I will be glad to add you to the agenda. After all these events are intended to share ideas and information.

Thanks from
Pete Van Schalkwyk (Smith) Michael Crowder and "Winding" Wayne Andrews

May 2, 2015: 12th Annual Northern California Sonex Fly-In
Rio Linda Airport (L36) Rio Linda, CA

NorCal Fly-In at Rio Linda: See the Report from Last Year's Event!

Life has gotten in the way of aviation, but the annual flyin is scheduled for May 2, 2015. The fantastic BBQ Ribs are back on the menu along with assorted fixin's and deserts for a small donation. Water and soft drinks available.

Expect to see lots of examples of Sonex except the jet. Onex, Waiex, Sonex. Lots of Jab 3300's, might even be a Cleanex and possibly the Honda powered Sonex will return again this year. There are at least 3 flying Onex's in the area, one of which has a Jab in it. Also expected to have a large contingent of RV's as well as assorted variety of airplanes.

This is a great gathering of some really top notch builders/flyers. Last year some of the guys even took their cowls off to show what it looked like underneath. Usually plenty of rides given to prospective owners. The field always hosts the spot landing and flour bombing contests. I believe the guy in the RV-8 last year put both mains down within 6 inches of the line....TWICE. Given my inactivity, my spot landing is "getting it down between the fences". Hope to see a bunch of you there. Typical turnout is usually 100-150 interested bodies.

Contact: Jeffry Larson

May 16, 2015: 2nd Annual Sonex Mile-High Fly-In
Meadowlake Airport (KFLY) Colorado Springs, CO

Sonex Mile-High Fly-In: See the
Report from Last Year's Event!

Fellow Sonex Builders, Pilots and Friends,

I'm pleased to announce the second-annual "Sonex Mile-High Fly-In"! Please come join builders and pilots from all across Colorado and the Rocky Mountain region for an afternoon of camaraderie and information sharing.

The event will be held near Colorado Springs, CO, at Meadowlake Airport (KFLY), May 16, 2015. Fly-in's and Drive-in are welcome! Arrivals will start around 8:00 am, and the programs at 10:00am. We'll have burgers and dogs on the BBQ for lunch.

The presentations will be informal and interactive, allowing current builders and pilots the chance to pass along what they've learned to others. Some of the topics will include "Cowling Modifications", "AeroVee Assembly and Rebuild", "Jabiru FWF Installation Tips" and a review of the plans and building process.

Several of our local pilots plan to give "Sonex Smile Rides" as a way to show off the attraction of a Sonex and to hook future builders!

Meadowlake Airport is situated south of Denver's airspace and at the foot of the Rocky Mountains. It's easy to get in and out, and makes a great destination. If you plan to stay overnight, accommodations are close by and dry camping is available on the field.

Come out and support the Colorado Sonex Mile-High Club and make some new friends in the process! I look forward to a great turnout.

Event website:

For more information or to RSVP, please contact Jeff Shultz at or 573-337-1903

- Jeff Shultz

Contact: Jeff Shultz
For More Information:

May 23, 2015: Mid West Sonex Fly-In
Gardner Municipal Airport (K34) Gardner, KS

Hello Everyone,

This year we will be having our 2015 MWSFI at the VAA 16 hanger located at Gardner Kansas Airport (K34). The date is Saturday, May 23.

We will have more information as our planning develops. One thing we will have is Geary Marsolais and his Turbo AeroVee. He will answer your questions on this new addition to our engine options.

This should be the best one yet. More details to follow.


Contact: Bob Mika

June 13, 2015: 2nd Annual North Central Sonex Fly-In
Buffalo Municipal Airport (KCFE) Buffalo, MN

Spring is slowly arriving here in the Buffalo area and I’ve been seeing and hearing more and more aircraft passing overhead as pilots get out and start exercising their passion.
The Sonex fly-in is posted to the Minnesota Flyer and Midwest Flyer Calendars of Events and either is, or soon will be, on additional website calendars. Please help to spread the word and forward to me the names and email addresses of anyone interested in attending this event at the Buffalo Airport.
I’m still developing an agenda for this year’s event. I’d like to get at least a couple of you involved in presentations about your Sonex and your building and/or flying experience. Some possible topics are:

  • Jabiru engines
  • Preparation of yourself and the aircraft for inspection
  • preparation for that first flight
  • demonstration of cutting, bending, drilling and riveting
  • propeller selection and evaluation.
  • instrument package selection
  • painting
  • interesting places you have flown
  • Other?
Let me know if you are willing and able to participate in the fly-in with a presentation on these or any other pertinent subjects.
See you at the airport!


Contact: Wayne Flury
Phone: 763-670-6021

June 27, 2015: 3rd Annual Great Lakes Sonex Fly-In
Bolingbrook's Clow International Airport (1C5) Bolingbrook, IL

We are excited to announce that we will be holding our third annual Sonex fly in on Saturday June 27th.

The great news is that our airport is getting a new runway, but and there is always a but, our fly in is going to be a drive in this year. The nearest airport to us is Lewis Airport and pickup accommodations may be possible.

This years agenda includes the following.

Robbie Culver - update on his progress, if not completed Sonex and his turbo conversion of the AeroVee.
Dwayne Hudson from the FAA -discussion of the homebuilt certification process.
Robert Helms of UL Engines presentation on UL engines.

Please RSVP to Al Eidukas -
Registration will begins at 8:30 AM
First presentation scheduled to start at 9:00 AM
Lunch about 11:30 @ Charlie's (separate checks please)
Approximately 1:00 PM presentation
We will close our event with door prizes - you must be present to win.

Please RSVP by June 20th to help us make sure we're setup appropriately

Hope to see you on the 27th.

Contact: Al Eidukas

September 12, 2015: 7th Annual Northeast Sonex Fly-In
Dillant-Hopkins Airport (KEEN) Keene, NH

The 7th Annual Northeast Sonex Fly-In is set for Saturday, September 12, 2015, at the Keene, NH airport (KEEN), with a rain date of Sunday, September 13. We'll update our web page before the summer. This was our web page from last year:

Contact: Mike Smith

Not Yet Scheduled:
2015 Sonex Builders and Pilots Foundation Annual Membership Meeting
EAA AirVenture Oshkosh, at Sonex Booth

Contact: Sonex Builders and Pilots Foundation

Not Yet Scheduled: 12th Annual ASA Fly-In at Crossville
Crossville Memorial Airport-Whitson Field (KCSV) Crossville, TN

Contact: American Sonex Association

Builder Organizations Directory | Builders' Events Calendar


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