What is a potential danger of failing to signal correctly on the ground?

Failing to signal correctly on the ground poses a significant risk of accidental collisions, primarily because proper signaling is essential for maintaining clear communication among aircraft operators, ground crew, and air traffic controllers. When pilots do not signal their intentions clearly—whether it be for taxiing, departing, or maneuvering around the runway—the likelihood of misinterpretation increases. This can lead to confusion regarding the positions and movements of various aircraft and vehicles on the ground.

When communication is ambiguous, it heightens the risk of two or more entities moving into the same space simultaneously, which can result in accidents. For instance, if one pilot begins to taxi without appropriate signaling and another is attempting to cross or enter the same taxiway, it could lead to a collision. Thus, proper signaling is a crucial safety measure that helps to prevent accidents and ensure the safe and efficient operation of aircraft on the ground.