![[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}
Experimotive
Whats in Jean, Nevada? Most of the year, not much. But when the alternative engine crowd comes to town, the place starts to buzz. By Rick Lindstrom.
Engine Beat
Steve Ells explains the science of alternators, and offers some tips for understanding and troubleshooting problems with the system.
Ask the DAR
DAR Mel Asberry clarifies what notification the FAA expects when a prop has been changed. His advice? Treat it like a major mod.
Light Stuff
The Texas Sport Cub is the latest in a line of planes with the venerable Cub lineage. Dave Martin flies one and discusses the various licensing options available.
Letters
Digital Edition I really love KITPLANES, as it is one of the few aero publications that does not consider its readers to be...
Clinks, Clunks, Tinks & Turns
Marc Cook explodes the not-invented-here myth, and explores what makes our panel equipment ergonomically sound—or not.
25th Anniversary: Engine Monitoring Comes of Age
Whats happening behind that firewall? Marc Cook traces the lineage of engine monitors over the past 25 years.
Fly on One…Youll Understand.
Matt Hlavacs open-air Breezy is a simple, fun way to fly … and, oh, the view!
Builder Profile: Fred & Pam’s Great Big Airplane Adventure
Fred Darnell's Murphy Super Rebel Moose is a real heavy hauler, and a pussycat to fly.
In Case You Missed It
Rites of Passage
Throughout human history, societal groupings of like-minded people have developed certain requirements for new...
Hatz Classic: A Homebuilt Waco
First-time builder Ron Sieck’s Hatz Classic biplane comes charmingly close to perfection.