USCG Exam Practice · Chart symbols and abbreviations (Chart No. 1)
On a US nautical chart, the precise charted position of a buoy is indicated by which cartographic symbol?
- AA small star, with the position at the centre of the star.
- BA small circle, with the position at the centre of the circle.✓ correct
- CA small triangle, with the position at the apex.
- DA small diamond, with the position at the centre of the diamond.
Why B is correct
A small circle denotes the precise charted position of a buoy; the position is the centre of that circle. A star symbol is used for lighthouses, not buoys. Light List — Position Symbol.
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