![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=534&h=462&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}
![[Credit: LeRoy Cook]](https://www.kitplanes.com/wp-content/uploads/2026/08/IMG_2791.jpg?w=265&h=198&crop=1 "The Safety Triangle: Balancing Skill, Knowledge, and Judgment in Flying")
Wire You Surprised?
There are three basic methods of marking your wires so that 10 years from now you’ll be able to go back and track down trouble.
Build, Test, Refine and Fix—Part 1: Ground Tests
At some point, a configuration of the airplane is frozen, a prototype is built and testing begins.
IV Tube for Crankcase Ventilation
Recently, my neighbor Ed needed a part to upgrade the installation of his crankcase breather/oil separator kit.
Master Caution
My original intent for this month’s treatise was to produce the first installment of my upcoming Kitfox build series, which I have been greatly looking forward to. However, as often happens in life, life itself got in the way.
Wanted: Engine Competition
Imagine a time not too long ago when pilots embarking on the delicious endeavor to build their own airplanes could consider multiple sources for just about any engine on the menu.
2025 Engine Buyer’s Guide
Traditional engines dominate, but the alternatives are looking more mainstream.
In Case You Missed It
![The best builders learn to combine both mindsets. They build like engineers but think like future mechanics. [Credit: Bill Wilson]](https://www.kitplanes.com/wp-content/uploads/2026/07/IMG_0037.jpg?w=324&h=160&crop=1 "Building vs. Fixing")
Building vs. Fixing
Somewhere during every aircraft project, a builder faces a quiet moment of truth. It...
Around the Patch
Recent casualties in the kit-aircraft universe including AirlinkTECH, Pillar Point Avionics and Superior Air Parts reduce services available to builders and potentially eliminate some healthy competiton. By Marc Cook.