Jon Humberd
Jon is a Tennessee farmer who enjoys airplanes. His notable achievement is building/flying the popular Super701 from a 300-foot farm strip. He loves demonstrating the plane’s capabilities, including competing in events like the National STOL Series, with the best overall score at Sun ’n Fun ’21. Jon also helps
other Zenith builders through consulting.
Building the 750 SDXTREME: Part 16
Tubeless tires, prototype gear, and cabin mods—follow the ongoing adventure of getting the highly modified 750 SDX on its feet.
Building the 750SD XTREME: Part 11
Sure, you can buy intercoolers off the shelf but sometimes you have to DIY it. Here’s how.
In Case You Missed It
Phase I Done Right
The problem for many pilots is that they really don't know what flight testing entails.
