![[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}
Are You Shorthanding?
If you're not careful, your non-building friends will find a way to change the subject.
Crew Coordination, Working the Weather
Having a reliable and well-trained partner can help to evaluate not only a course of action—but the decision-making process that goes into that plan.
Marketability
The manufacturer must be able to sell enough airplanes to stay in business and make some money.
Second Chance Six
Part 10: small, important projects— brake lines, fuel lines, baffling and fairings.
In Case You Missed It
25th Anniversary: Change Is Good
At AirVenture 2009, Amy Laboda took the opportunity to talk with 12 key innovators in the world of Experimental aviation, with one question in mind: What do you think has been the most significant change in homebuilding aircraft in the past 25 years?
Watch Where You’re Going!
You can track on a smartphone or laptop the flight paths of Experimental aircraft as they fly in real time.
Design Process: Distribution of Lift Coefficient
In the last few months, we have explored how planform and taper affect both...
What’s New
PS Engineering has introduced a new audio panel/com, Avemco creates a safety team, Comp Air offers special pricing incentives on its 6 kit, and UL Power of North America names Zenith as first OEM. Edited by Mary Bernard.