![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")
Down to Earth
Amy Laboda chronicles the challenges she encountered when trying to get the ECI B-type cylinders for her certified Lycoming IO-540 replaced.
Around the Patch
Editor-in-Chief Marc Cook sees progress and potential in developing electric motor and battery technology.
Ask the DAR
DAR Mel Asberry discusses the process for registering and certifying an ELSA, including how to find an inspector and the paperwork you'll need to provide.
Preparing For First Start
Steve Ells discusses the preparation and procedures for starting your new or newly overhauled engine for the first time.
Free Flight
When testing a new avionics component in your homebuilt, you must be prepared to deal with any consequences that may develop.
Light Stuff
Dave Martin samples one of the three PiperSport LSA models introduced at the Sebring Expo, and finds it to his liking.
Letters
Us and the Media (Best Letter) I was disappointed to see the first letter to the editor in the recent issue (June 2010)...
What’s New
American Legend Aircraft debuts two additions to its line, Belite wins award at Sun n Fun, Richard Collins book reissued and Pro-G hub earns PMA. Edited by Mary Bernard.
Expanding Current Technology
The Fourth Annual Electric Aircraft Symposium gathered an elite group of movers and shakers who are doing some exciting things with electric motors and other fuel-efficiency technologies. By Marc Cook.
In Case You Missed It
Around the Patch
Whenever hes out and about (or in and on the phone), Editor-in-Chief Marc Cook fields questions from pilots wanting to know the best way to run an engine. His advice? Keep it simple.
