![[Credit: Mike Davenport]](https://www.kitplanes.com/wp-content/uploads/2026/08/Over-Stave-Lake-3.jpg?w=534&h=462&crop=1 "Glasair Sportsman 2+2 Build Part 3")
![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 "Overcoming Setbacks on the Zenith 750SD Xtreme")
![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 "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")
Anatomy of a Modification
Paul Dye takes readers through a rework of his RV-3's fuel system to illustrate why some mods are a sound choice.
Ask the DAR
Can a former Part 103 aircraft be registered as an LSA? And how is an appropriate Phase I flight-test area determined?
Efficient Engines
There are many ways to increase an engine's efficiency when rebuilding. Tom Wilson reviews the options, along with the costs involved and the expected returns.
Making the Perfect Lancair
Terrence O'Neill has taken customization of his Lancair 235 to a new level, from the Burns Stainless exhaust to a remote-controlled canopy.
Firewall Forward: Lycoming Engine Service School
Dave Prizio attends the Lycoming Engine Service School in Williamsport, Pennsylvania, and comes away from the experience with many lessons.
All About Avionics
Building your own panel need not be daunting. Stein Bruch offers some wisdom about how to keep the project on task and avoid the mistakes others have made.
Ask the DAR
Who can be in the cockpit of a homebuilt aircraft during Phase I flight testing? Mel Asberry answers the question.
Engine Update
UL Power engines have gained popularity in the homebuilt community in recent years. Marc Cook takes a closer look at the Belgian-made line and the people behind it.
Simplicity
Countless modifications for homebuilts are available, but does that mean they're right for our projects? Paul Dye discusses the value of keeping things simple.
Something to Do
Upon his retirement, Jim Shy embarked on a lifelong dream of building his own airplane. But before he even decided on a design, he bought a place to keep it: his own airport.
In Case You Missed It
It’s Toy Season!
Because few new products get announced at Sun ’n Fun, there’s often a dead zone between April and the big intros at AirVenture in July. But that doesn’t mean it’s total dullsville. A couple of new bits have caught my eye recently.
Three Battery Problems Lead to Accidents
Three battery-related accidents, one now 10 years old, the others more recent, point to...
Becoming a DAR
A designee is a private individual with the experience and skills necessary to do the work mandated for the FAA.
