Aviation electronics, or avionics, have become an increasingly important part of modern aircraft design. This section adresses subjects related to the systems that guide, navigate, and control flying vehicles, as well as those electronic technologies that influence aviation.

Why do aircraft electrical systems run at 400 hertz instead of the 60 Hz frequency used in the US power grid? Is it possible to run a piece of 400 Hz electrical equipment on a 60 Hz outlet?

Please describe the propeller located on the back of the wings on the Airbus A330 used during the miraculous flight recently.

What is the purpose of the lights on the outside of a plane?

What does radar cross section mean? What does it have to do with stealth?

What are the countermeasures available for planes against missiles? Which one is the most effective against an IR and RF missile, respectively? And do they really work against an incoming missile?

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