Optional Pre-Assembled Sonex/Waiex
Main Wing Spars: $2200 Upgrade

Sonex and Waiex Main Wing Spars are available for optional purchase to both Complete Airframe Kit builders and Sonex Scratch Builders, making these extremely simple-to-build aircraft even easier to complete!

The upgrade price to add Optional Pre-Assembled Main Wing Spars to your Sonex or Waiex Complete Airframe Kit order is: $2200

Note: The following Bolt-on Assemblies are not installed (only the solid riveting is completed): SNX-W11-02, SNX-W11-06, SNX-W11-10L, SNX-W11-10R, SNX-W20-02 and SNX-W20-03.

What if I already have my kit?

Purchase Pre-Assembled Main Wing Spars at full non-kit-upgrade price or arrange to return spar parts you already own for use in your spar assembly and credit toward the price of the spars. Check-out our Scratch Building Pages for more information.