Rules of the Road · Day Shapes — RAM
A vessel restricted in her ability to maneuver (not engaged in mineclearance) shows what day shapes?
- ATwo balls vertically
- BThree balls in a vertical line
- CA ball-diamond-ball in a vertical line✓ Correct
- DA single diamond
Explanation
A RAM vessel displays three shapes in a vertical line — ball, diamond, ball — corresponding to the red-white-red all-round lights shown at night.
Authority: COLREGS/Navigation Rules, Rule 27(b)
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