Question 81Navigation General70% to pass
On a chart, the characteristic of the light on a lighthouse is shown as flashing white with a red sector. The red sector _______________.
AI Explanation
The correct answer is C) indicates a danger area.
The red sector on a lighthouse light characteristic indicates a navigational hazard or danger area that mariners should avoid. The red sector is used to mark areas near the lighthouse that may contain shoals, rocks, or other obstructions that could pose a risk to vessels. Mariners must be aware of the red sector and navigate accordingly to safely pass the lighthouse.
The other options are incorrect because: A) the light characteristic itself, not the red sector, is used to identify the type of light; B) the red sector serves an important purpose of warning mariners of a hazard; and D) the red sector does not indicate the limits of the navigable channel, which is typically marked by buoys or other navigation aids.
Related Questions
#79 You are underway in the North Sea on course 216°T when you sight a buoy bearing 021° relative. Under the IALA Buoyage System, you are in the best navigable water if the buoy has which of the following characteristics? #80 The refraction correction table given in the Nautical Almanac is based on a standard or average atmospheric density with a temperature of 50°F (10°C) and atmospheric pressure of _______________.#82 Some lights used as aids to marine navigation have a red sector to indicate a danger area. How are the limits of a colored sector of light listed in the Light List? #83 Light Lists for coastal waters are _______________.#84 You will be advised of any hazardous areas due to the fallout of a nuclear explosive by a message with the code word _______________.