Rules of the Road · Safe Speed — Rule 6
Which of the following is a factor specifically listed in Rule 6 for determining safe speed by all vessels?
- AThe vessel's flag state
- BThe state of visibility✓ Correct
- CThe crew's union affiliation
- DThe time of day only
Explanation
Rule 6 lists factors including visibility, traffic density, maneuverability/stopping distance, background lights, wind/sea/current, and draft relative to depth. Vessels with radar have additional listed factors.
Authority: COLREGS/Navigation Rules, Rule 6
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