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Sonex Aircraft News Archive
November-December, 2008

Please note that links on older archive pages are often not active. These pages serve purely as an informational archive. If you have trouble obtaining the information you need from this site, please email the webmaster with your questions.

Happy Holidays from Sonex!

Sonex Aircraft will have our annual "holiday shutdown" for year-end inventory and facility maintenance from Wed, December 24th through Friday, January 2nd, re-opening for regular business operations on Monday, January 5th.

Phones will not be answered and shipments will not be made during this period. E-mails to the company will continue to be checked and responded to, but delayed responses can be expected during this period.

Merry Christmas and Happy New Year from all of us at Sonex Aircraft, LLC!

Pre-Assembled Prop Hub/Crankshaft Assembly Now Available for AeroVee 2.1 Engine Kits

Sonex Aircraft, LLC is pleased to announce that all AeroConversions customers now have the option of purchasing a Pre-Assembled Prop Hub/Crankshaft Assembly for the AeroVee 2.1 Engine Kit Package. The cost of this assembled crankshaft option is $295.

Customers who already have their AeroVee 2.1 Engines are also welcome to return their crankshaft assembly parts and have them assembled by Sonex. The cost of this option is also $295 (plus shipping both ways). Please contact Sonex Technical Support for an RMA# and a list of items to be returned if you are interested in this option.

While the overwhelming majority of AeroVee customers have had success in accomplishing this crankshaft assembly, there have been a few that have struggled with them. Our goal is to make the AeroVee Engine assembly as simple as possible and to take care of the market segment that has been requesting this option.

Find Out More About the AeroVee2.1

Sonex Distributor in Brazil Offers Workshop Travel Package

Sonex Brasil, a new foreign distributor of Sonex and AeroConversions products, is offering an opportunity for Brazilian pilots to attend the February 7-8, 2009 Sonex Builder’s Workshop as part of a travel package including air fare, hotel and ground transportation. Additionally, Sonex Brasil has established its own discount structure on Sonex and AeroConversions products for Brazilian customers who attend. For full details, go to:

E-Flight Initiative Reaches Major Milestone!

The E-Flight design team has reached a major milestone in the development of the E-Flight Electric Powerplant System! On December 4, 2008 the E-Flight system was successfully run under load with a test club propeller achieving 2800 RPM, a major benchmark RPM goal demonstrating the system's ability to provide the power necessary for flight. See the video at:

Sonex Holiday Shutdown Schedule

Sonex Aircraft will have our annual "holiday shutdown" for year-end inventory and facility maintenance from Wed, December 24th through Friday, January 2nd, re-opening for regular business operations on Monday, January 5th.

Phones will not be answered and shipments will not be made during this period. Please arrange to have all your year-end orders in as soon as possible so Sonex can ensure you will have the parts needed to progress on your project through the holidays. E-mails to the company will continue to be checked and responded to, but delayed responses can be expected during this period.

Special EAA Eagle Hangar Banquet Opportunity for February Sonex Workshop Attendees!

Space is still available for the February 7-8 Sonex Aircraft Builder Workshop, so sign-up today! February Workshop attendees receive a special treat: an opportunity to attend the EAA Chapter 252 annual banquet, held in the awe-inspiring EAA AirVenture Museum Eagle Hangar facility. Dining in the Eagle Hangar, among legendary warbirds is a privilege usually reserved for EAA board members or other VIP guests!

Catered Dinner by LaSure’s at 7:00 pm: Carved Prime Rib and Turkey and all the trimmings! Come & join us for a memorable evening with Aviators, Airplanes, Food & Fun! Win great Door Prizes, and participate in the “Silent Auction” of Aviation Items!

Master of Ceremonies: John Monnett. Invited guests and aviation legends include: Paul & Audrey Poberezny, Gene & Dorothy Chase, Norm & Loretta Petersen, Bill Brennand, Munsil Williams.

Download Banquet_Flyer_2009.pdf (144kb PDF File) for more information!

Read More about Sonex Builder Workshops!

Sonex Aircraft Versatility and Value Featured in Aviator's Hotline Light Edition

The versatility and value of Sonex Aircraft are featured in the 8th Edition of the Light Aviation Edition of Aviator's Hotline magazine. The Light Aviation Edition is an electronic e-zine, and the article features some of the many uses for Sonex Aircraft, including a clip from "Right Seat with Tony Spicer." Whether your idea of fun is flying aerobatics, soaring, cross countries, or doing your part for Homeland Security by patrolling the local lakes for U-boats, Sonex Aircraft will fill your Sport Pilot mission!

Find more Articles about Sonex and AeroConversions products!

Sonex First Flight: Michael Crowder

Congratulations to Michael Crowder of Cary, North Carolina whose Jabiru 3300 powered, Tri-Gear Sonex (S/N 293) flew for the first time on November 26. "Boy this airplane climbs like crazy!" writes Michael. "I had only two people to witness the event, which was nice. One of those is Wayne Andrews (Sonex #35), my hanger mate,  who I must thank for all his encouragement. I've also got to thank John Davis and Robert Eley, from the ASA for all their encouragement over the years. I've developed a close friendship with Peter van Schalkwyk and Robert Frost that has really motivated me. The Sonex community is the best!" Gold Wings are on the way to Michael!

View the Latest Sonex Aircraft Completions

E-Flight Initiative Progress Update Posted

The Sonex E-Flight Initiative design team is still hard-at-work on E-Flight research and development projects and much progress has been made since the last update posted in April, 2008. See a summary of the team's progress to-date, along with new videos, images and information at:

Overtighten Your Fuel Tank Fittings? Fix Them with New Oops Fittings from Sonex!

Did you over-tighten the molded-in NPT fittings in your Sonex Fuel Tank, or neglect to clean the threads before installing your fittings? Instead of replacing your entire fuel tank, you may replace the molded-in NPT fittings with our new Oops fittings, available in both 1/8 and 3/8 NPT, including full installation instructions.

To avoid causing this problem, be sure to read and follow the directions provided in your Fuel Tank Installation Instructions, which can be downloaded from our Instruction Sheets page.

Oops Fitting 1/8 NPT: $10.00

Oops Fitting 3/8 NPT: $20.00

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John Monnett's EAA Sport Aviation Hall of Fame Keynote Address Video Online

Sonex Aircraft, LLC Founder and President John Monnett was given the honor of presenting the keynote address at the 2008 EAA Sport Aviation Hall of Fame Induction ceremony. Himself a 2001 EAA Homebuilder's Hall of Fame Inductee, John spoke of the wonderment of aviation and the EAA, the need for the recruitment of more new pilots, the ever increasing need for more efficient aircraft, and the need for EAA to embrace soaring as an addition to its many diverse groups of recreational aviation divisions. Find out more about John Monnett and watch his keynote address on our Meet the Sonex Team page.

Sonex Serial Number 1 Gets a Facelift

The first Sonex Aircraft prototype to fly, Sonex Serial Number 1, or “SX-1” has recently received a facelift. A fresh coat of “Sonex Yellow” paint, a new tan Leather Upholstery Package, and an upgrade to the newest AeroConversions accessories including the AeroConversions Trim System and Throttle Quadrant has updated the versatile workhorse to match the stunning good-looks of the rest of the Sonex factory fleet of prototypes. SX-1 was originally flown in 1998 as a Jabiru 2200 powered, center-stick taildragger. It is the bare-aluminum aircraft featured in the earliest chapters of The Sonex Story DVD. The aircraft has since pioneered the dual-stick control configuration, the Jabiru 3300 engine installation, the transition from steam gauges to all-digital instruments, and most recently has served as a seaplane, flying with a pair of amphibious floats. SX-1 is the aircraft that “started it all,” and it’s only fitting that it receives a brand-new look in the year of its 10th anniversary!

Sonex Postcard from Copperstate


Sonex Pilots Eric Scheppers (Sonex S/N 250, red aircraft pictured at right) and Dennis Burton (Sonex S/N 691, yellow and polished aluminum at right) recently made the trip to the 2008 Copperstate Fly-In at Casa Grande Arizona, and reported much interest in Sonex Aircraft from show attendees. Eric performed fly-bys for the show crowd and handed-out Sonex brochures to all who were interested (Eric pictured at-right pointing-out key portions of the Sonex literature to an interested show-goer). Our special thanks goes to Eric and Dennis for representing Sonex Aircraft, LLC as part of the growing grass-roots Sonex community!

Sonex First Flight: Frank Smith

Congratulations to Frank Smith of Santa Maria, California who recently reported the July 9, 2008 first flight of his AeroVee powered, Standard Gear Sonex (S/N 348). "This wonderful aircraft flies beautifully," reports Frank. Gold Wings are on the way!

View the Latest Sonex Aircraft Completions

Announcing the New AeroConversions Oil Separator!

AeroConversions Oil Separator


Sonex Aircraft, LLC is pleased to announce the latest addition to the AeroConversions product line, the AeroConversions Oil Separator. The AeroConversions Oil Separator is a high-quality welded and powder-coated aluminum assembly designed to save oil vs. direct overboard crankcase breathers in normal flight operations. In addition, the AeroConversions Oil Separator features an extra-high-volume design offering enhanced inverted flight performance in entry-level aerobatic aircraft, allowing oil to be retained and returned to the engine during short-duration inverted and limited negative G maneuvers.

The AeroConversions Oil Separator’s angled design makes it a perfect fit for Sonex Aircraft angled firewalls, while retaining compatibility with traditional vertical firewall installations in other aircraft. The AeroConversions Oil Separator is economically priced at $95.00 and ships with comprehensive installation instructions suitable for a wide-range of engine installations.

Download AeroConversions Oil Separator Installation Instructions

See More AeroConversions Products!

Announcing Pre-Assembled Main Wing Spar and Machined Angle Component Upgrades for Xenos Motorglider Kits!

Xenos Pre-Assembled Main Wing Spars eliminate all solid riveting!

Partial Xenos Machined Angle Parts Kit now available!

Sonex Aircraft, LLC proudly announces the availability of new Pre-Assembled Xenos Main Wing Spars, making this extremely simple-to-build motorglider easier-than-ever to complete!

Optional Pre-Assembled Main Wing Spars are available as a $4000 upgrade to your Xenos Complete Airframe Kit.

Sonex has also compiled a Machined Angle Component Kit Upgrade for the Xenos. Although not completely inclusive of all Xenos parts made from extruded aluminum angle stock, this $1,300 package includes 43 parts common among Xenos, Sonex and/or Waiex aircraft. Note that there are an additional 48 parts that Xenos builders must fabricate from raw extruded aluminum angle stock.

Find Out More About the Xenos Motorglider!

See What's Included in Sonex Aircraft Complete Airframe Kits


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