![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")
Laps and Lapping
Lapping was an important step featured in two recent columns. Last month’s gauge block project and the September 2020 drain adapter both demonstrated basic...
Grease Is the Word
Consistently use the correct lubricant for your airplane’s various parts, and you will go a long way toward preventing problems.
Design Process: Airfoils
Once the size and planform of the wing have been determined, it’s time to choose (or design) the airfoil.
Problemas en México
I was dismayed to receive an alert from the Baja Bush Pilots that aviation authorities in Mexico have recently turned away Experimental aircraft after entering the country.
Flights of Fancy
It’s more cliché than observation to note there’s a whole lot of dreaming going on in aviation.
Archive: December 1988
A Great Lakes biplane was on our December 1988 cover, and the issue contained our directory of all the homebuilts available for 1989—34 pages...
Propped Up
After seeing Paul Dye’s thorough review of the Whirl Wind propeller on his RV-8, I admit to a pang of impatience. You see, I’ve...
In Case You Missed It
Brake Turn
My local airport, Corona Municipal in Southern California, sits in the Prodo Dam basin...
