USCG Exam PracticeChart symbols and abbreviations (Chart No. 1)
On a US nautical chart, the position symbol for a buoy is a small circle. Where exactly is the buoy's charted position?
- A. At the outer edge of the circle nearest the hazard
- ✓ At the centre of the circleCorrect
- C. At the point where the circle touches the depth contour
- D. At the geometric centre of the buoy's watch circle
Why B is correct
The charted position of a buoy is the centre of the small circle used as its position symbol. This is the anchor point of the buoy, not the full extent of its watch circle or any other reference point.