![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")
Pilot Proficiency
When determining whos best to conduct the first flight, its a risk versus reward equation. By Doug Rozendaal.
Ask the DAR
DAR Mel Asberry continues his discussion of operating limitations and Phase I flight-test requirements.
Wind Tunnel
Youd think a V-tail would have much to offer over a conventional tail in both reduced drag and lower weight. But how does it really pan out?
All About Avionics: EFIS Dreams 2011
The industry holds its own while waiting for the economic recovery to kick in. By Stein Bruch and Marc Cook.
More Than a Science Project
The folks at Sonex have been busy with recent first flights of both their battery-powered E-Flyer and the single-place, folding-wing Onex.
In Case You Missed It
Design Process: Planform Effects on Span Loading and Drag
Last month we started our discussion of wing planforms with a look at the...
Soul of the Machine
Paul Dye argues that there is more between man and machine than just the hardware.
Ask the DAR
Ready to perform aerobatics with your new homebuilt? Not so fast! The operating limitations dictate what's required first.