![Humberd and his daughter using the 701 for some farm duty transportation. [All Images Credited to Jon Humberd]](https://www.kitplanes.com/wp-content/uploads/2026/05/1-3.jpg?w=534&h=462&crop=1 "Builder’s Spotlight")
![Checking out East Tennessee scenery from the 701. [Credit: Jon Humberd]](https://www.kitplanes.com/wp-content/uploads/2026/04/3.jpg?w=265&h=198&crop=1 "Builder’s Spotlight")
![[Credit: Jon Humberd]](https://www.kitplanes.com/wp-content/uploads/2026/02/20-2.jpg?w=265&h=198&crop=1 "Epic Is Back")
![Members of the North Idaho High School Aerospace Program gathered at KSZT [Credit: North Idaho High School Aerospace Program]](https://www.kitplanes.com/wp-content/uploads/2026/02/IMG_3499.jpg?w=265&h=198&crop=1 "North Idaho High School Student ACES Fly the Aircraft They Built")
Meet the Grizzly
AeroTek Aviations Beaver-size amphibious kit airplane, the Grizzly, showcases the company's 550-shaft-horsepower Pratt & Whitney PT6A engine conversion, which has also flown in the Murphy Moose. By Ed Wischmeyer.
Shockwave
There's a new anti-icing option for high-end Experimental/Amateur-Builts. Its called Therm-X. By Jack Cowell.
Air Power
The art of porting cylinder heads, whether by hand or by CNC machine, is a valuable part of blueprinting detailed engine builds or overhauls, and surprisingly subtle changes can determine how efficiently the engine will breathe.
The Home Machinist
If you need to send a part out to be built by a professional shop, a good drawing, well identified, is essential. The KISS principle applies, and be sure you don't request closer tolerances or more exotic materials than you really need, or it will cost you.
To Launch a Light Sport
This month builder Bob Fritz searches for a better alternative to last-century circuit technology for his panel and finds it in a Polyfuse.
Build Your Skills: Fabric
Everyone could use a little sunscreen, and the fabric on a fabric-covered aircraft is no exception. This months installment, the last in the series, discusses pre-paint protection to minimize sun damage. By Ron Alexander.
To Launch a Light Sport
Once the spinner was in place, it was time to fit the cowl, and surprisingly simple tools helped along the installation. By Bob Fritz.
All About Avionics
More and more pilots are installing all-inclusive engine monitoring equipment in their aircraft, and, fortunately, todays monitors are dully reliable.
Roll Your Own
Weight and balance, taxi tests, first flights and debriefings. This is what it all comes down to when you design and build a one-of-a-kind Experimental aircraft. Happily, the airplane lives up to its builders expectations… and then some.
In Case You Missed It
(Almost) Wordless Workshop
Project steps rarely go in order. These illustrated tips might save you time—and frustration—when things don’t go as planned.
Editor’s Log
Mary Bernard discusses the challenges companies face when they try to improve an existing design, let alone develop a new product. The Glasair Sportsman TC is a case in point.
