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Designer's Notebook

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In Case You Missed it

Homebuilt Accidents-First Flights

Builder error is a major factor in first-flight accidents.
Rion Bourgeois (left) and Philip Groelz test the tank for leaks.

Building the Bearhawk LSA

What could possibly go wrong?

Experimental Audio Panels: Sophisticated, Integrated

PS Engineering and Garmin have kit-focused audio systems for under $2000. They have generous feature sets and high-end audio quality.

Ask the DAR

Does an A&P have to sign off on an ELT inspection? And can a Sport Pilot fly a Cessna 172?