Definition
The combination of components in an aircraft that produces electrical power during flight and keeps the battery charged. It typically includes an alternator or generator driven by the engine, a voltage regulator that controls output, and the wiring and indicators that connect it to the battery and the aircraft's electrical bus.
Plain English
The system that makes electricity while the engine runs and tops up the battery, so the aircraft's electrical equipment keeps working.
Context Anchor
Seen during electrical system checks, low-voltage warnings, and alternator or generator failure procedures, especially in instrument flight.
Why Pilots Care
Failure leaves the aircraft reliant on battery power alone, which is limited and can lead to loss of critical flight instruments and navigation equipment.
Intuition Check
Do not think of the electrical charging system as just the battery. The battery stores electrical power; the charging system makes power and keeps the battery supplied while the engine is running.
Example Sentence 1
When the low-voltage light came on, the pilot suspected a problem with the electrical charging system and began load-shedding non-essential equipment.
Example Sentence 2
During preflight, the checklist verifies that the electrical charging system is operational before engine start.