During a DP operation, a deck crew member identifies a hazard not covered in the toolbox talk or risk assessment. What is the correct response?

A. Only the Master or DPO can invoke a stop, so the crew member should wait for them to notice

B. The crew member should note it and raise it at the next scheduled safety meeting

C. The crew member should attempt to manage the hazard themselves without interrupting the operation

D. The crew member has the authority and obligation to stop the work and raise the concern immediately, regardless of rank — the task must not continue until the new hazard has been assessed and controlled

A. A HAZOP is conducted by the DPO alone; a HAZID requires the whole bridge team

B. A HAZID is only used for diving operations; a HAZOP is only used for drilling operations

C. A HAZID (Hazard Identification) is a broad, early-stage exercise to identify what could go wrong across the whole operation; a HAZOP (Hazard and Operability study) is a more structured, systematic review of a specific system or procedure using guide words to probe deviations from intended operation

D. They are interchangeable terms for the same process required by different classification societies

A. The vessel's WCF, current ASOG limits, footprint/consequence analysis for the specific location, position reference availability, and proximity to fixed/floating structures or other vessels

B. Only the crew's certification and rest hours

C. Only the weather forecast for the next 24 hours

D. DP-specific factors are not part of a task risk assessment — they are covered separately in the FMEA