How can improper rigging affect an aircraft's performance?

Improper rigging can significantly compromise an aircraft's performance, and the most critical impacts include control issues, increased drag, and potential safety hazards. Rigging refers to the alignment and adjustment of various components, such as control surfaces and the wing's angle of incidence, which are essential for optimal aerodynamics and handling characteristics.

When an aircraft is improperly rigged, it may respond unpredictably to pilot inputs, making it difficult to control. This can lead to excessive drag, which not only decreases fuel efficiency but can also result in more challenging flight conditions. Additionally, the safety of the aircraft is at stake. Poorly rigged control surfaces may fail to respond correctly during critical phases of flight, such as takeoff and landing, leading to dangerous situations.

While the other options mention aspects that seem beneficial, they do not accurately represent the consequences of improper rigging. Higher fuel efficiency and improved cruising altitude are positive outcomes, which are not achievable through improper rigging. Furthermore, while improper rigging may affect the weight distribution of the aircraft, it is the overall performance, including control and safety, that is severely compromised.