![Builder and pilot Mark Farver stands alongside his Continental IOX-340 powered RANS S-21. [Credit: Mark Farver]](https://www.kitplanes.com/wp-content/uploads/2026/09/Copy-of-build-38-Topaz-Gigapixel-2x-scale.jpg?w=534&h=462&crop=1 "Cross-Country in a Homebuilt RANS S-21 Outbound to Oshkosh"){kind=tracking}
![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=265&h=198&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")
Champions
We talk with Grand Champion builders about their experiences building some of the finest airplanes in the world.
Maintenance Matters: Aircraft Fasteners
Holding it all together. An introduction to aircraft fasteners.
In Case You Missed It
All About Avionics: EFIS Dreams 2010
In this years update of the options for EFIS buyers, we find that while some companies have folded or opted out of courting homebuilders, others are marching ahead with new products, features and cooperative arrangements. By Stein Bruch.
Design Process: CG Loading
Empty weight and empty CG of the airplane are fixed and do not vary from flight to flight. The same cannot be said of its contents.
