What are the basic signalman responsibilities and when should they communicate with the operator?

• A. Only talk once during the lift
• B. Ignore signals and proceed
• C. Direct crane movement with standard signals, maintain clear view of the load path, assess hazards, stop at the first sign of danger, and communicate plan and stop commands to the operator consistently.
• D. Direct the crane using improvised gestures without established signals

Answer: (C)

The key idea here is that safe crane operation hinges on clear, standard communication and continuous vigilance by the person guiding the lift. The signalman must direct crane movement using established signals so both parties share a common understanding of what will happen. They also need to keep a clear view of the entire load path to spot any obstacles or hazards as the load moves. Hazards don’t disappear; they can appear at any moment, so the signalman should continuously assess the environment and be ready to stop at the first sign of danger. In addition, the signalman must clearly convey the plan to the operator and issue stop commands when needed, so the operator knows exactly how to proceed and when to halt. This ongoing, standardized communication keeps the lift coordinated and reduces the risk of misinterpretation or unintended movement.

Options that rely on talking only once, ignoring signals, or using improvised gestures lack the reliability and clarity needed for safe operations. Those approaches increase the chance of miscommunication and accidents because they break the essential flow of information between the signalman and operator.