![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?")
Firewall Forward: Electrical Systems, Part 2
Alternators, busses, breakers and fuses form the core of aircraft electrical systems. Here’s what you need to know to install them correctly.
The Owner Assisted Interior
Working with an upholstery expert can save you money and time when designing and installing an interior in an Experimental aircraft. By Mike Manning.
Buzzwords: Adverse Yaw
Adverse yaw is usually defined as an airplane yawing in the direction opposite the intended turn direction when insufficient coordinating rudder is applied. True enough, sort of. But there’s more to the story. By Edward P. Kolano.
Future Fuels, Part 2
When 100LL phases out, the replacement will almost certainly be a 100-octane equivalent. But which one? By Paul Bertorelli.
Staying in the Game
It’s never been easy to afford flying, and it’s getting harder. As costs continue to rise, here are innovative ways to stay in the air.
Ask the DAR
Is an aircraft’s empty weight required on the data plate? Does the gross weight change when an LSA is converted from conventional landing gear to floats? Should engine maintenance be entered in the builder’s logbook? Does the Minimax still qualify as an ultralight?
Editor’s Log
As Paul Dye takes the helm at KITPLANES, he looks forward to covering this exciting time in the Experimental aircraft community.
What’s New
Just Aircraft introduces the Highlander SuperStol, Cockpit Apps launches new fuel tankering app, and there’s a new LED position/anti-collision light.
In Case You Missed It
Unairworthy: Loose Tail Attach Bolt
This is a very critical bolt that attaches the horizontal stabilizer to the fuselage...
Build It Better: Show Me the Data!
Don’t believe everything you hear when making an important building or maintenance decision—do your homework.