When Grandpa Builds an Airplane…
“This is what happens when Sonex builders have to wait…” wrote Sonex-B builder James Yrineo, “Chris waiting on a kit and me waiting for my first grandchild to be born.” Let’s face it, many participants in our hobby have “Grandparent” listed in their resume, or soon will. James Yrineo, builder of Sonex B serial number… Read More
Onex First Flight: Mark Ferstl
Congratulations to Mark Ferstl of Tucson, Arizona whose Standard Gear, Rotax 912ULS powered Onex (S/N ONX0040) flew for the first time on November 4th! Mark’s Onex was used as the test bed for Cooper Aircraft Corporation’s new Sonex/Rotax Installation Kit. Learn More. Gold Wings are on the way! View the Latest Sonex Aircraft Completions Learn… Read More
Rotax Install Update: Onex/912ULS Flies and New Cooper Install Kits Available
Sonex is pleased to announce that Cooper Aircraft Corporation has introduced new, updated Sonex installation kits for the Rotax 912. These new installation kits are designed to work with Sonex Ring Mounts for Rotax installation, and are compatible with both tailwheel and tricycle gear installations in all Sonex aircraft models. Sonex ring mounts are designed… Read More
Kit Price Increases Coming: Order NOW to Take Advantage of Current Prices!
Due to rising costs for parts & materials, Sonex and AeroConversions Products will be implementing price increases effective December 15th, 2025. Order a Kit Today! Order by 12/14/25 for Current Prices: Order Now! The Bottom Line: What Will My Project Cost? Pricing changes for Complete Airframe Kits, Quick Build Kits, and AeroVee Engine Kits are… Read More
Sonex Highwing Update: Tail Load Test, Tail Kit Production, Wing Tip Testing, and More!
Tail Kit Production Starting Sonex is pleased to report that a successful static load test of the Sonex Highwing horizontal tail section was conducted last week! With the completion of this milestone and positive results from our flight testing with full-span wing tips (see below), production of Tail Kit parts is ready to commence. If… Read More
Sonex Highwing Update: Watch the October Webinar Video
A video archive of our October 8, 2025 Sonex Highwing Webinar is now available to view. This webinar, hosted by EAA, gives a brief overview of the Sonex Highwing and its development, and details the progress made since AirVenture 2025. With first flight on June 30th, we had an extremely successful showing of the new… Read More
Sonex Highwing Webinar: Tune-In October 8th!
Sonex Highwing customers, fans and the Highwing curious: tune-in to our next Sonex Highwing Webinar on October 8th! This webinar, hosted by EAA, will give a brief overview of the Sonex Highwing and its development, and will detail the progress made since AirVenture 2025. With first flight on June 30th, we had an extremely successful… Read More
Waiex-B First Flight: William Batten
Congratulations to Bill Batten of Columbus, Indiana whose Standard Gear, Jabiru 3300 powered Waiex-B (S/N WXB0067) flew for the first today! “I was very impressed with the quality of the Sonex kit,” writes Bill. Gold Wings are on the way! View the Latest Sonex Aircraft Completions Learn More About the Waiex-B!
Sonex-B First Flight: Michael Suckling
Congratulations to Michael Suckling of Annapolis, Maryland whose Standard Gear, Rotax 912 ULS powered Sonex-B (S/N SNB0041) flew for the first time on July 22nd! “Flew incredibly well,” writes Michael, “very responsive. I am running the 912 ULS 100 hp. Jumps off the ground… cruise at 5500 rpm 146 mph. Thank you for a great… Read More
Sonex Highwing Update: Data, Pricing, and Videos – Orders Now Accepted!
EAA AirVenture Oshkosh 2025 is upon us, and we’ve gained some valuable data in the Sonex Highwing before the show. We’re happy to report that performance and handling of the Highwing has proven to be exactly what we’ve expected, and that we are ready to accept full orders to get the parts supply flowing. Our… Read More
