![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")
Firewall Forward: Installing the Firewall
Author Dave Prizio describes construction of the firewall itself, including the penetrations and the tools required.
All About Avionics
With all of the ways to get GPS information into the cockpit, a handheld unit remains a viable option. By Stein Bruch.
Build It Better: Testing, testing, one, two, three
There's no substitute for real-world testing--;something homebuilders should keep in mind when moving from the theoretical to the actual application.
Got Threads?
What to do when you've stripped a spark plug hole or other threaded receptacle in your homebuilt (once the cursing has stopped)? We have ways...
Ask the DAR
Does an A&P have to sign off on an ELT inspection? And can a Sport Pilot fly a Cessna 172?
Electronic Ignitions
Electronic ignitions can offer benefits over the standard magnetos, including lower maintenance and better fuel economy.
Firewall Forward: Tools of the Trade
Here are the tools you'll need during your engine installation, plus suggestions for keeping them organized.
Engine Update: New Life for Old Radials
Barrett Precision Engines has taken the nine-cylinder Vedeneyev M14P radial engine to a whole other level with a fuel-injection upgrade and new ignition system. By Marc Cook.
Build It Better: Show Me the Data!
Don’t believe everything you hear when making an important building or maintenance decision—do your homework.
In Case You Missed It
Build, Test, Refine and Fix—Part 5: High AoA Pitch Characteristics
Evaluating pitch stability, stick force gradients, and pitch-up warnings in stall testing to ensure safe handling at high angles of attack.
Ask the DAR
Condition inspections, N-number problems, removing an electrical system and transponder.