![[Credit: AdobeStock]](https://www.kitplanes.com/wp-content/uploads/2026/08/AdobeStock_51865118.jpg?w=534&h=462&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?")
![At Sun ‘n Fun 2026, Viking Aircraft Engines surprised the crowd with its first complete kit — the V-42, a high-wing twin powered by two Honda-based engines. Here’s an early look. [Credit: Andrew Robinson]](https://www.kitplanes.com/wp-content/uploads/2026/08/P1020293.jpg?w=265&h=198&crop=1 "Viking V-42 Twin")
![A STOL CH 750 [Credit: Mike Davenport]](https://www.kitplanes.com/wp-content/uploads/2026/08/STOL-CH-750.jpg?w=265&h=198&crop=1 "Why Are So Many Airplanes Yellow?")
![A Zenith STOL CH701 on Zenair amphibious floats rests on a sandbar on the Caribbean island of Guadeloupe. [Credit: Zenith Aircraft]](https://www.kitplanes.com/wp-content/uploads/2026/08/zenair-floats-STOL_CH_701a-Topaz-Gigapixel-2x-scale-Topaz-Gigapixel-2x-scale.jpg?w=265&h=198&crop=1 "Zenith STOL CH 701 at 40: The Iconic ‘Sky Jeep’ Design Audit"){kind=tracking}
Scratch Build a Kit?
I want to present a strategy and method to get a few more prospective airplane builders off the fence and into the workshop. This...
Driver Upgrade for Avionics Trays
Installing small screws into the tight confines of a deep avionics tray is a challenge that can be both annoying and frustrating.
Franklin vs. Edison et al. and Marconi
A word we use rather flippantly when perusing electronic circuitry—ground.
Variable Geometry Cooling System
The way to reduce or eliminate excess cooling drag in cruise is to use a variable-geometry cooling system that can change shape to control the amount of air flowing through the cowling.
The Turf War Around MOSAIC
You might think that a long-running proposal to streamline certification and greatly expand (and make far more usable) LSA and sport pilot rules would have the industry locking arm, raising voices in song and, therefore, on a clear path to success. You might, but you’d be wrong.
Special Light Sport Airplane Accidents
Some surprising results when compared to traditional Cessnas.
Archive: July 2006
On our July 2006 cover was the Aventura II, written about and photographed by our longtime favorite aviation writer Dave Higdon. “Egrets and herons...
In Case You Missed It
What’s New
Garmin has released its new GMA 350 audio panel with voice recognition and 3D sound, and Superior Air Parts is adding to its line of Millennium cylinders. Edited by Mary Bernard.
Wind Tunnel
Builders are often in a rush to prove the airworthiness of their homebuilt projects, but thorough flight-testing is essential.