When should a crane operator stop operations if they encounter a potential hazard?

A crane operator should stop operations as soon as a potential hazard is identified to ensure the safety of everyone involved. Stopping immediately allows for a proper assessment of the situation, the implementation of safety protocols, and the opportunity to prevent any accidents or injuries from occurring. Recognizing and responding to hazards promptly is critical to maintaining a safe working environment, given the nature of crane operations and the inherent risks involved.

Waiting until a hazard is visibly apparent, as suggested in one of the other choices, could lead to a delay in addressing an issue that might already pose a risk. Likewise, relying on someone else to instruct them to stop or completing a task despite a potential hazard increases the likelihood of accidents. Therefore, proactive safety measures are essential, reiterating the importance of immediate action when potential safety issues arise.