Exhaust cracks can be insidious, although sometimes they leave a gray-looking residue. Use a bright flashlight and inspect them every time the cowling is off.
![[Credit: Wikimedia Commons]](https://www.kitplanes.com/wp-content/uploads/2026/07/4_rutan_a_longez.jpg_preview.jpg?w=218&h=150&crop=1 "Rutan Symposium Turns to the Coming Canard Maintenance Crisis")
![[Credit: Lisa Turner]](https://www.kitplanes.com/wp-content/uploads/2026/02/Fuel-Selector.jpg?w=218&h=150&crop=1 "Fuel Follies")
In Case You Missed It
Horizontal Stabilizer Crack
In 2014 Van’s Aircraft put out a service bulletin for potential cracking in the...
Editor’s Log
Editor Mary Bernard introduces the new “Build It Better” series by Paul Dye and praises Kitfox Aircraft for its ongoing development efforts.
Builder Survey: Wilderness Calling
Lucky 13: RANS S-7 Coyote builders tell KITPLANES about their building, company support and flying experiences. By Mary Bernard.