![Oshkosh is more popular than ever with three-quarters of a million people in attendance at AirVenture 2026. [Credit: LeRoy Cook]](https://www.kitplanes.com/wp-content/uploads/2026/09/IMG_7321-Topaz-Gigapixel-2x-scale.jpg?w=534&h=462&crop=1 "Wide World of Airplanes"){kind=tracking}
![Maintenance technician William Vergonet conducts an inspection on a Cub. [Credit: Lisa Turner]](https://www.kitplanes.com/wp-content/uploads/2026/09/IMG_3535.jpg?w=265&h=198&crop=1 "Post-Flight Maintenance Debrief")
![Pat McKiernan has found that he and his dad who built this beautiful RV-7 simply learned to enjoy the build. [Credit: Bill Wilson]](https://www.kitplanes.com/wp-content/uploads/2026/08/Builder.jpg?w=265&h=198&crop=1 "Life Lessons From Building an Airplane")
![[Credit: AdobeStock]](https://www.kitplanes.com/wp-content/uploads/2026/08/AdobeStock_51865118.jpg?w=265&h=198&crop=1 "FAA MOSAIC Rule Fully Implemented")
![My 36 year old clipboard from when I started at Boeing. Engineering ruler and fastener/fastener hole cheat sheets. [Credit: Andrew Robinson]](https://www.kitplanes.com/wp-content/uploads/2026/08/Liaison_clipboard.jpg?w=265&h=198&crop=1 "What Is a Liaison Engineer?")
The Ultimate Upgrade
Could a plane as large, expensive and complicated as the Lancair Evolution be completed by an experienced homebuilder? We have the answer to that intriguing question.
Homebuilding on the Edge
Out in the California desert, innovation in homebuilding is the rule, rather than the exception. By Marc Cook.
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?
Aero ‘lectrics
Jim Weir continues his explanation of how to make any cell phone power up a remote electrical device.
In Case You Missed It
Firewall Forward: Compression Testing
Unlock the mysteries of the aircraft-engine leakdown test, otherwise known as the differential compression...
Design Process: All-Moving Tails
A conventional horizontal tail has a fixed horizontal stabilizer with an elevator hinged to...