Our avionics expert Larry Anglisano talks with Garmin’s Jim Alpiser at Sun ‘n Fun to get an update on supply-chain issues, product availability and the upcoming end of support for legacy GNS 430/530 products.
![The Classic Wittman W-10 Tailwind [Credit: LeRoy Cook]](https://www.kitplanes.com/wp-content/uploads/2026/07/IMG_4633.jpg?w=218&h=150&crop=1 "The Midpoint Reset: Navigating the Rest of the 2026 Homebuilt Horizon")
In Case You Missed It
Ask the DAR
A reader asks if he can use his Experimental/Amateur-Built aircraft for instruction. DAR Mel Asberry’s answer: It’s not a problem, but charging for transition training of a non-owner pilot requires a specific operational exemption.
Metal Magic: Driven Rivets
An introduction to driving round-head rivets with a rivet gun and bucking bar, the staple skill needed for building a metal airplane.
What’s New
An Aussie Outback SLSA debuts in the U.S., a floating battery eliminator works with the Lightspeed Zulu headset, and Trio Avionics introduces the Pro Pilot autopilot.
Taking a Shine To 6061-T6 – Part 1
Polishing aluminum transforms gray metal into a mirror finish—cheap, timeless, and endlessly messy but deeply rewarding.