Soar to New Heights with the 2026 Commercial Pilot License (CPL) Practice Exam – Ready for Takeoff!

The correct choice indicates that the aircraft is equipped with two engine-driven magnetos. This system is commonly used in piston-engine aircraft to provide electrical power necessary for ignition. Magnetos are self-contained devices that generate high voltage for spark plug ignition, and having two enhances reliability by providing redundancy. If one magneto were to fail, the other could still function, allowing the engine to continue operating.

In aviation, a dual ignition system, which includes two magnetos, is a standard feature for many aircraft. It ensures more complete combustion and smoother engine performance, which is essential for flight safety. The presence of two engine-driven magnetos also allows for a more efficient running of the engine under different operational conditions.

Other options, while plausible for different types of aircraft, do not match the specific description of the ignition system in use in this scenario. For instance, a single engine-driven magneto would provide less reliability and is typically not standard in multi-cylinder engines where redundancy is critical. An electronic ignition system, while becoming more popular in some aircraft, is relatively less common in traditional piston aircraft as of the data cut-off in 2023. Likewise, a standard ignition system could refer to various configurations but does not specifically denote the reliability advantages of using two engine-driven