![Trimming composites gets the full PPE job. [Credit: Eric Stewart]](https://www.kitplanes.com/wp-content/uploads/2026/07/7-2.jpg?w=534&h=462&crop=1 "A Few of My Favorite Tools")
![Lowell Farrand spent years serving as an FAA DAR and is in the EAA Hall of Fame. He offers sound advise to builders. [Credit: Bill Wilson]](https://www.kitplanes.com/wp-content/uploads/2026/05/unnamed-4.jpg?w=265&h=198&crop=1 "Think Like a Builder")
![Author Bill Wilson takes a break from measuring and cutting the Lexan windshield during his Onex build. [All Images Credit to Bill Wilson]](https://www.kitplanes.com/wp-content/uploads/2026/04/image-2.jpg?w=265&h=198&crop=1 "Think Like A Builder")
In Case You Missed It
Down to Earth
A month after the engine was first started on the RV-10, author Amy Laboda and her husband, Barry Marz, scheduled a visit from DAR Ray Howell, received the airworthiness certificate, and commenced ground runs. It sounds simple, but so much effort went into getting that little piece of paper.
Ask the DAR
Does an A&P have to sign off on an ELT inspection? And can a Sport Pilot fly a Cessna 172?
Alternator Mods Without Major Surgery
Another way to modify a Nippondenso alternator for use with an external voltage regulator.
