Sonex Builders & Pilots Foundation

Welcome to the Sonex Builders and Pilots Foundation

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NEW!! The 2018 Sonex Flight Training Syllabus

Saturday May 11, 2019

Join us at AirVenture Oshkosh 2019 for our annual BBQ.

Sunday September 9, 2018

The September 2018 newsletter is posted! See our newsletters page or just click here for the latest issue!

Saturday April 21, 2018

Added Mike Smith's tips

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Make your own drilled bolt shank: ... 730&row=23

Remote battery charging port: ... 107&row=77 ... 069&row=72 ... 070&row=71

Self Sealing Canopy Seal:
- Got this one from Dudley Foster. ... 003&row=79 ... 004&row=78

Lightweight Portable Wheel Chocks: ... 884&row=86

Canopy Locking Pin: ... 05&row=153 ... 65&row=152

Fuel Shut Off:
- I've never seen one that's better, IMHO :-) ... 79&row=418

Labeling every single wire in the plane, at both ends: ... 33&row=571

Fuel Overflow Pan & Drain: ... 84&row=751 ... 83&row=750 ... 75&row=748 ... 75&row=736 ... 60&row=734 ... 54&row=733 ... 63&row=728 ... 78&row=727 ... 06&row=726
Monday December 18th, 2017

The Summer and Fall 2017 newsletters are now uploaded. See the newsletter page for the files.
Saturday September 23rd, 2017

Mike Smith has put Time-Serts in his AeroVee spark plug holes. The tool cost around $160, but Mike is happy to loan it out. 
The inserts he used were: M12x1.25x17.5mm spark plug insert p/n 42125, from Amazon. But Mike says he may recommend the slightly shorter M12x1.25x15mm spark plug insert p/n 42123. Contact:  mike.smith208 at yahoo dot com
Monday, July 31st, 2017

The Sonex Builders and Pilots Foundation held its annual membership meeting on on Wednesday, July 26, 2017, in Oshkosh, Wisconsin at AirVenture on the Flight Line adjacent to the Sonex Aircraft, LLC display booth at 11:00 a.m. CT. 

At the meeting, the Voting Members elected: 
Elect two (2) directors - Michael Farley to a three-year term, and Jim Hicke to a two year term. 
Sonex enthusiasts - have you checked out the Sonex Flight podcast? 

SonexFlight is a monthly podcast where we talk all things related to the Sonex line of kit-build aircraft. Each show we interview a different Sonex builder or pilot and discuss technical topics, tips and tricks, flying adventures, news and current events

Check it out at
Friday, July 14th, 2017

The summer edition of Shop Talk has been published and is being sent to members now.

Oshkosh is coming! - The annual membership meeting is on Wednesday this year. Plan to join us behind the Sonex booth on Wednesday July 26th 2017 at 11:00am local time.

Reminder: Wednesday evening is the Foundation cookout - don't forget to sign up. 

Saturday June 3rd, 2017

Hey all you Sonex builders, pilots, and enthusiasts

We are planning another member BBQ at Oshkosh, but it must have member support in order to succeed.

We are lucky to have Wayne Daniels as a host for this event, and are planning this as a member-driven BBQ. There is no transportation provided so members need to self organize their way to and from Wayne's. This is a change from the past two years.

The party will be an informal BYOB (Bring your own beverage - if you drive please DO NOT plan on drinking alcohol!) burgers and brats affair at Wayne's 7th Heaven over on the east side of Wittman Field. The date is set as Wednesday July 26th, 2017 and the time is 6 pm local.

The night airshow is a highlight of the week, and we can enjoy it from the perspective of Wayne's backyard. Our plan is to keep costs to a minimum, hopefully around $5 a head. 

We have created a signup sheet online - in order to plan for this event you MUST sign up!

We are pleased to inform you that on Monday, July 25, 2016, Sonex Builders and Pilots Foundation, an Illinois not-for-profit corporation (the “Foundation”), will hold its Annual Meeting of Members in Oshkosh, Wisconsin at AirVenture on the Flight Line adjacent to the Sonex Aircraft, LLC display booth at 11:00 a.m. CT. 

All members, interested parties, friends, fans, builders, pilots, and family are invited!

For voting members, Your vote matters! Whether or not you plan to attend the meeting, please take the time to vote by completing the Proxy you will receive by email this evening.

If you attend the meeting, you may vote at the meeting and your Proxy will have no effect, or your Proxy can stand as your vote. 

If you do not attend the meeting, your Proxy will be counted as your vote. As a Voting Member as of the record date of June 25, 2016, we hope you will return the Proxy in favor of the proposals. 

At the meeting, the Voting Members shall: 
Elect two (2) directors to a three-year term. Robbie Culver and Chris Balthis have been nominated. 

The Board of Directors recommends that you approve the proposal and asks that you review the May 2016 “Shop Talk” Newsletter of the Foundation (pages 26 & 27) for information regarding the proposals and the director nominees.

Robbie Culver
Sonex Builders and Pilots Foundation
Monday June 13th, 2016

Added files from David A:

A.- info Panel mtd Fuel shut-off.pdf
Fuel -panel shut-off drawinjg.pdf
IMG_0719 Fuel Shut-off.JPG
IMG_0720 Fuel Shut-off.JPG
IMG_1369 Fuel Shut-off.JPG

Added files from the old Yahoo archives here
Wednesday April 20th, 2016

We've posted two new videos on YouTube! 

Waiex Dawn Patrol:

Turbo Waiex Short Field operations:

Both were shot by Michael Farley and edited by Robbie Culver

Sunday April 17th, 2016

The 4th annual Great Lakes Sonex fly in is scheduled for June 25th at Bolingbrook’s Clow International Airport (1C5).

See for details.

This is in Chicagoland and we urge all midwest builders, pilots, and enthusiasts to attend!

You can see photos from past events at and
Thursday February 18th, 2016

Sonex Aircraft LLC has announced a new Sonex "B" model and Waiex "B" model.

Click here to read the press release.

Click here to see a rendering of the forward fuselage.

Click here to see a rendering of the tri-gear.

Click here to see a rendering of the conventional gear.
Tuesday September 1st, 2015

Be sure to check out our YouTube channel!

We are adding videos produced by the Sonex community as well as our own content.

A message from Sonex Builders & Pilots Foundation:

Greetings all fellow Sonex/Waiex/Xenos/Onex builders, owners, pilots and all those interested in experimental aircraft, sport aviation, and Sonex aircraft.

As you may be aware, the NTSB has been encouraging the experimental aircraft community to improve the safety record of amateur-built aircraft. Type Clubs have demonstrated to have been a significant factor in the overall improvement in first flight, flight testing, and continued operation of E/AB aircraft.

In concert with the above, there have been a core group of Sonex builders/owners who have expressed a desire over the past few months to grow the Sonex community across the nation. What started as one-on-one discussions about bringing more groups together, growing a community, promoting safety, education, and transition training, has now morphed into an informed coalition of individuals who are interested in building a national Sonex type club.

Other experimental and certified aircraft models have type clubs. It is our belief the time is right for a Sonex type club. One glance at the current conversation in the experimental aviation community shows an increased emphasis on many of the topics we have as goals.
We have named this organization the Sonex Builders and Pilots Foundation.

While we have received the blessing of Sonex Aircraft, LLC, this organization has no formal ties with Sonex Aircraft, LLC. All opinions and information contained within are the result of tech counselor, builder/pilot experiences or trusted sources.

Just to be clear, when we speak of Sonex, we are speaking about all Sonex types of aircraft and all those who currently or may in the future build, fly, own, or those who just admire Sonex aircraft.

To learn more about the Foundation's goals click here!

Follow us on Facebook and Twitter!    


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February 2016.pdf
15.4 MB
May 2016.pdf
7.6 MB