Buckeye Aviation, Inc.

Builder Kurt Goodfellow has risen to the challenge of installing a Wilksch Airmotive WAM-120 diesel powerplant in his Van’s RV-9, and the proof is in the performance test results. By Ken Krueger.

Potential Sonex builders learn basic skills before writing a big check for a kit.

Don’t waste $250: Here’s all you need to know to install an inexpensive kitchen clock as a timer on your plane’s instrument panel.

Paul Bertorelli reviews Garmins long-awaited GTN 650/750 navigators, and finds out how they stack up against the successful GNS 430/530 series.