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
Engine Beat
Exhaust systems do more than just get air into and out of aircraft engines. Exhaust system design, in terms of exhaust pipe length, diameter and tuning, affect the efficiency and performance of the engine, for better or worse.
Product Review: Garmin GI 275 EFIS
This full-featured, full-priced certified EFIS is impressive but might not be ideal for homebuilts.
Cracked Exhaust
Exhaust cracks can be insidious, although sometimes they leave a gray-looking residue. Use a...