Hinchman Aircraft Co.

Trailering an aircraft.

Builders share their successes.

The rules around Letters of Deviation Authority are labyrinthine, which helps explain why they are relatively rare. But the problems could be—and should be—corrected through a few regulatory changes. By Roy Beisswenger.

This month, author Jim Weir lays the groundwork for a solar battery charger, complete with preliminary circuit board considerations drawn from a rats nest and details about how to order a pre-fabricated board.