Berkut Engineering

Black zones.

How to sort through the maze of instrumentation choices.

Whether portable handheld or panel-mounted, GPSes are the wave of the future in avionics, and these units can store and display a remarkable amount of detailed information. With nifty docks, handhelds can perform much like the panel-mounts in the cockpit, yet be removed for use in other vehicles.

Editor-in-Chief Marc Cook sees progress and potential in developing electric motor and battery technology.