Plain English Meaning
The wiring, battery, and generator that produce and deliver the electricity needed to run things in the airplane.
Full Definition
The network of components in an airplane that generates, stores, regulates, and distributes electrical power to operate equipment such as lights, radios, instruments, fuel pumps, and starter. In a typical small airplane, it consists of a battery, an engine-driven alternator or generator, a voltage regulator, a master switch, circuit breakers or fuses, and the wiring that connects them.
Context Anchor
During the before-takeoff check, the pilot verifies that the airplane’s electrical system is working normally before taking the .