Designer's Notebook

Winging it with LEDs.

Nobody's perfect. Neither is any airplane or airplane part—there’s always a tolerance from perfection, and that’s OK, as long as you understand the art of repair.

Easy to build, easy to fly...and affordable too. No wonder the Fly Baby remains popular decades after the prototype debuted.

Chuck Berthe puts Team Tango’s Foxtrot 4 through its paces, and finds it to be a capable aircraft with the potential to be even better as the design is refined.