Which statement about identifying a lighthouse at night using light characteristics is correct?

Which statement about identifying a lighthouse at night using light characteristics is correct?

• A. It can be identified by looking only at the lighthouse’s height.
• B. You identify it by counting the number of colors on the light.
• C. It can be identified by comparing observed color and flash pattern (period and range) to the chart's listed characteristics.
• D. Lighthouse identification does not require chart data.

Answer: (D)