Ask the DAR
DAR Mel Asberry continues his discussion of aircraft operating limitations by explaining what those Phase II flight test rules mean.
Here Comes the Judge
How do aircraft judges at the big annual events evaluate a potential prizewinner? You might be surprised. By Bill Repucci.
Give Me a Brake
When his Zenith CH 701 wouldn't stay put during runup and tended to roll on an incline, builder Chuck Deiterich came up with a do-it-yourself solution.
Ask the DAR
DAR Mel Asberry continues his discussion of aircraft operating limitations by looking at why we do what we do during those important Phase I tests.
Prefab Choices
If you're contemplating buying a used homebuilt, consider the mission, find a mentor, review the logbooks and, most importantly, take your time. By Marc Cook.
Time to Vent
When it comes to fuel-tank vents, there is a wide variety of choices. We look at the basic types and consider their relative merits.
![Zenith CH 701: A Proof of Concept Homebuilt on a Budget The Zenith CH701 outside the hangar at SMX, fresh from paint. The stars-and-stripes theme marks America’s 250th and the CH701’s 40th anniversary. [Credit: Carson Stilson]](https://www.kitplanes.com/wp-content/uploads/2026/09/IMG_1726.jpg?w=534&h=462&crop=1)
![Glasair Sportsman 2+2 Build Part 3 [Credit: Mike Davenport]](https://www.kitplanes.com/wp-content/uploads/2026/08/Over-Stave-Lake-3.jpg?w=265&h=198&crop=1)
![Overcoming Setbacks on the Zenith 750SD Xtreme Coming in for a landing at Humberd’s Farm [All Images Credited to Jon Humberd]](https://www.kitplanes.com/wp-content/uploads/2026/07/9-1.jpg?w=265&h=198&crop=1)
![Builder’s Spotlight 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=265&h=198&crop=1)













