Rules of the Road · NUC / RAM / Constrained by Draft
By day, what shapes does a vessel restricted in its ability to maneuver display?
- AA black cylinder
- BTwo black balls in a vertical line
- CBall, diamond, ball — three shapes in a vertical line✓ Correct
- DTwo cones with apices together
Explanation
Rule 27(b)(ii) requires three shapes in a vertical line by day for a RAM vessel: ball on top, diamond in the middle, and ball at the bottom. This mirrors the night pattern of red-white-red lights.
Authority: 72 COLREGS Rule 27(b)(ii)
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