Where is the ignition system located?

• A. In the cockpit control panel.
• B. In the avionics bay.
• C. Self-contained on the engine, requiring no aircraft electrical power for operation.
• D. In the wheel well.

Answer: (C)

Ignition hardware is mounted on the engine itself, with the igniter plugs placed in the combustor and the ignition control hardware located in the engine area. This on-engine placement is chosen so the spark can be delivered directly to where combustion occurs, and so the system can start and fire reliably even as engine conditions change. The ignition units are designed to be self-contained with their own power path from the engine’s start/ignition circuitry, meaning the ignition function does not rely on other aircraft systems to operate. That’s why this option is considered the correct one: the ignition system resides with the engine, not in the cockpit, avionics bay, or wheel well, and it’s capable of initiating combustion without depending on aircraft electrical power being available. The cockpit controls may arm or monitor ignition, but they don’t house the ignition hardware itself; other locations would not provide the direct, immediate ignition path required for starting and sustaining combustion.