How should ballast system be verified before flight, including checks for leaks and secure connections?

How should ballast system be verified before flight, including checks for leaks and secure connections?

• A. Rely solely on ballast gauge readings.
• B. Visually inspect ballast tanks and lines, check valves and connectors, ensure ballast is properly secured and readouts are correct; test if required by procedures.
• C. Shake ballast lines to feel for leaks.
• D. Skip checks if the ballast looks intact.

Answer: (B)