![Maintenance technician William Vergonet conducts an inspection on a Cub. [Credit: Lisa Turner]](https://www.kitplanes.com/wp-content/uploads/2026/09/IMG_3535.jpg?w=534&h=462&crop=1 "Post-Flight Maintenance Debrief")
![Pat McKiernan has found that he and his dad who built this beautiful RV-7 simply learned to enjoy the build. [Credit: Bill Wilson]](https://www.kitplanes.com/wp-content/uploads/2026/08/Builder.jpg?w=265&h=198&crop=1 "Life Lessons From Building an Airplane")
![[Credit: AdobeStock]](https://www.kitplanes.com/wp-content/uploads/2026/08/AdobeStock_51865118.jpg?w=265&h=198&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")
Ask the DAR
This month DAR Mel Asberry tackles questions about modifying an aircraft and the flight testing required, what should be on a dataplate, and what you need to know about getting an airworthiness certificate after completing a partially built aircraft.
Light Stuff
Another European SLSA reaches American shores in the form of Tecnams high-wing, high-style, partially carbon-fiber Tecnam P2008. By Dave Martin.
Around the Patch
Editor-in-Chief Marc Cook looks at the potential impact on GA of Lycomings new IE2 engine that features electronic engine management.
The Home Machinist
Home Machinist Bob Fritz had been looking for a way to compare the effectiveness of various screw extractors he had accumulated in his toolbox, and he found a willing test subject in a Cessna 170s 60-year-old gas tank.
All About Avionics: EFIS Dreams 2010
In this years update of the options for EFIS buyers, we find that while some companies have folded or opted out of courting homebuilders, others are marching ahead with new products, features and cooperative arrangements. By Stein Bruch.
Wind Tunnel
Increasing the weight of an aircraft will affect its performance in all phases of flight.
Flight Review: Lancair Launches the Piston Evolution
Doug Rozendaal samples the new piston version of the Lancair Evolution and, as with the turbine Evo, finds much to admire.
Flight Review: M-Squared Breese 2
If you’re looking for an economical way to get in the air and your stick-and-rudder skills are sharp, the Breese 2 may be the way to go. By Ed Wischmeyer.
In Case You Missed It
Making Peace with the Jabiru Engine
Keep it cool: That’s the secret to success with the Jabiru engine, which will reward your efforts by being a simple, powerful and smooth-running powerplant. Dave Prizio offers some suggestions for Jabiru care.
Metal Magic: Removing Bad Rivets
How to properly remove bad or damaged rivets. You'll probably do this a lot over the course of an airplane project!
