What hazard does the symbol Rock bare or awash indicate on navigational charts?

What hazard does the symbol Rock bare or awash indicate on navigational charts?

• A. Dangerous to navigation
• B. No hazard present
• C. Stable seabed
• D. Deep-water channel

Answer: (A)

The idea being tested is recognizing that chart symbols mark hazards to navigation. A rock that is bare or awash is a rock that is either exposed above the water or at the water surface, which can damage hulls or cause a vessel to run aground. That makes it a direct danger to ships, so the symbol communicates a warning to mariners to avoid or navigate carefully around that area. The other possibilities describe safe conditions or different seabed features, which don’t reflect the risk posed by exposed rocks.