USCG Exam PracticeChart symbols and abbreviations (Chart No. 1)
A chart shows a small circle symbol at the location of a buoy. What does the centre of that circle represent?
- A. The radius of the buoy's watch circle due to scope
- ✓ The precise charted position of the buoyCorrect
- C. The boundary of a restricted area centered on the buoy
- D. The light arc sector of the buoy's lantern
Why B is correct
Per chart symbology, the position symbol for a buoy is a small circle, and the centre of that circle marks the precise charted position of the aid. For a lighthouse the equivalent symbol is a star, with its centre marking the position. (Light List — Position Symbol)