![[Credit: AdobeStock]](https://www.kitplanes.com/wp-content/uploads/2026/08/AdobeStock_51865118.jpg?w=534&h=462&crop=1 "FAA MOSAIC Rule Fully Implemented")
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![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")
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Datalink Weather: Long-Term Exposure
Marc Cook relates his experience, more than four years' worth, with XM-sourced inflight weather.
Buying Used Lightning Detection
Avionics guru Larry Anglisano examines the market for used lightning-detection gear.
Builder Profile: Orange Appeal
Marc Cook profiles a rookie Copperstate show winner: a spectacular F-1 Rocket with a distinct Harley vibe.
The Independence Project: A Power Finish
The engine and prop complete the building phase, and the RV-12 is ready for the flight test phase. By Dave Martin.
Cut the Can, Man
Inspecting your filter after an oil change is a good idea, but what tool is best for opening the can? Bob Fritz tests the gamut of oil filter cutters so that you don't have to.
Engine Beat
Removing your oil filter is not nearly as easy as putting it on. Steve Ells shows you how to take it off without turning your workshop into a Hazmat site.
Ask the DAR
Can a powered parachute be classified as Experimental/Exhibition if it missed the ELSA deadline?
Light Stuff
LSAs are fun, and being able to make that water landing-and takeoff-in one is even more enjoyable. Join Dave Martin as he samples the Progressive Aerodyne SeaRey LSX.
Around the Patch
Editor-in-Chief Marc Cook comments on Zenith Aircrafts turbulent year following several in-flight breakups of CH 601XL Zodiac aircraft, and the company's response with an extensive update kit.
What’s New
Garmin expands online training and Sky-Tec introduces ST5 starters for Continentals. Edited by Mary Bernard.
