BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a towing vessel which, due to the nature of her work, is unable to keep out of the way of another vessel?
• Rule 24 – Towing and Pushing (lights and shapes for towing vessels) • Difference between Not Under Command (NUC) and Restricted in Ability to Maneuver (RAM) • Day shapes for NUC, RAM, and other special conditions
• First decide: Is a towing vessel that cannot keep clear acting more like NUC or RAM, or is it a different category entirely? • Ask yourself what day shapes are prescribed for a vessel that is restricted in her ability to maneuver versus one that is not under command. • Match the description "due to the nature of her work, is unable to keep out of the way" with the exact wording in the Navigation Rules – which vessel status uses that phrase?
• Verify which rule actually uses the phrase "restricted in her ability to maneuver" and what shapes that vessel must show by day. • Confirm the standard day shapes for: NUC (two black balls), RAM (ball–diamond–ball), and any special towing indications. • Check whether a black cylinder is associated with towing operations or with a completely different condition (e.g., constrained by draft under International Rules).
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