August 2017 Issue

Electrical Systems

Prevent malfunctions and system failures from becoming a serious emergency.

Unless you’re flying a hot-air balloon, a sailplane or something with an engine that must be hand-propped, your aircraft has an electrical system. It may power only the basic equipment, like lights and the engine’s starter motor, or it can power everything, including the landing gear, flaps and flight instruments. Modern systems—and even those aboard so-called legacy aircraft—usually are relatively simple and robust, with well-understood components and maintenance requirements.

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