![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?")
Avoiding the Traps of Bad Engineering and Construction
There's a large body of knowledge of good engineering practice for aircraft. Most of this knowledge was gained the hard way, and it should not be ignored lightly.
Bearhawk LSA
Its the wing that gives Bob Barrows latest design a faster cruise and slower stall speed than similar LSAs. By Chuck Berthe.
Boots on the Ground
Paul Dye talks about meeting old friends and making new friends at air shows and fly-ins, and introduces several new columnists who will be regular contributors to KITPLANES.
Is LiFePO4 in Your Future?
As technology improves and gets cheaper, the answer is probably yes. Gordon Alling.
In Case You Missed It
Firewall Forward: Cowls, Baffles and Intake Air
How to keep your engine’s carburetor or fuel-injection system breathing right.
SeaRey Amphib LSA Flight Trial
Here's an over-the-transom report on the SeaRey LSA amphibian from Aviation Consumer's Jeff Van West, who is having more fun than he deserves.
Fast, Flat and Simple
Nearly every kit aircraft will require a large, flat worktable for some part of...