While many of the regulations that govern our actions are clear, there are a large number that may seem vague or even leave room for unintended interpretations. For these reasons, it is possible to seek official and binding interpretations from FAAs legal department, either through a direct request or possibly more onerous encounters with the regulations.
lectric-powered airplanes may still be far from mainstream, but interest in this technology continues to grow. In late April, Airbus engineers successfully flew the E-Fan, a tandem two-seater with a pair of electric-powered ducted fans on the tail. The batteries, carried in the wings, provide 30 minutes of flight.