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Message: [QUOTE="Blueridge, post: 2120, member: 779"] AC power can definitely be used in aircraft. I am not an engineer either, but the distinction as to whether or not something uses AC or DC power is based loosely on the type of load that it draws. Generally speaking higher load items use AC power and lower load items use DC. Lots of exceptions but generally true. Beyond that the distinction is basically what the consumer was designed to use. Whether you have alternators or generators on your airplane is a function of what's required to meet all the needs of the electrical system. My airplane uses 3 DC generators, 2 AC Alternators, two inverters (DC to AC), and one TRU (AC to DC). Seems complicated but in practice it actually works well. Hope this helps. [/QUOTE]