![[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}
Build a Custom Plenum That Will Work
For optimum performance, all it takes is a little bit of math and some fiberglass.
The Best Oshkosh Ever
I know many of you following the progress of my Hummingbird helicopter are probably thinking that flying it to the show is what made...
Memories
It was 1985 when this 42-year-old kid wrote an article for an upstart magazine aimed at the homebuilt aircraft market. Appearing in the October...
Cooling Inlets
The cooling air inlet serves two functions: First, and most important, the inlet must ingest enough air to properly cool the engine and accessories...
Following Footsteps
I was an airplane nut for as long as I can remember even though I had no family exposure to aviation. My father was...
Archive: August 1991
Nat Puffer’s Cozy Mk IV was the cover subject of our August 1991 issue. Don Downie caught up with Nat and wife Shirley Puffer...
In Case You Missed It
Dual Time
Its a stool! Its a set of chocks! Its both. Chuck Deiterich shows you how to craft one with PVC pipe, plywood and some hardware.
AirVenture Notes
Knowing that I’m mainly stealing from the upcoming Engine Buyer’s Guide, it still seems...
Geared Drives Remembered
The innovative work of Bud Warren contributed much to the homebuilt community and saved many an engine from being relegated to the scrap heap. By Rick Lindstrom.