Radar Observer · Collision Avoidance — Safe Speed
Among the factors Rule 6 lists for safe speed by vessels using radar is:
- AThe color of the hull
- BOnly the fuel remaining
- CThe crew's meal schedule
- DThe characteristics, efficiency, and limitations of the radar equipment and the prevailing range scale in use✓ Correct
Explanation
Rule 6(b) adds radar-specific safe-speed factors: the equipment's characteristics, efficiency and limitations; the range scale in use; the effect of sea state, weather, and other interference on detection; the possibility that small craft, ice, and other floating objects may not be detected at adequate range; and the number, location, and movement of detected vessels.
Authority: Navigation Rules, Rule 6(b)
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