![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?")
Letters
Older Builder's ScenarioA GA pilot retires at age 65 and hunts for something to keep his mind stimulated and provide a sense of accomplishment,...
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.
Aero ‘lectrics
Jim Weir responds to a reader request to find a way to make any cell phone turn on an electrical device.
Wind Tunnel
While two-control airplanes were designed to make a pilot’s life simpler, they come with significant compromises.
Restoring the RV-1
The very first Van’s prototype flies again, thanks to months of volunteers’ hard work, and its designer climbs back into the cockpit, some five decades after he built it.
In Case You Missed It
H-tails and Triple Tails
The majority of airplanes use the conventional tail configuration with a single, centrally mounted...
Poison Alert
On January 20, 2022, the National Transportation Safety Board (NTSB) petitioned the FAA with...
