Question 403Navigation General70% to pass
A drawbridge may use visual signals to acknowledge a vessel's request to open the draw. Which signal indicates that the draw will NOT be opened immediately?
AI Explanation
The correct answer is D) A fixed red light.
A fixed red light indicates that the drawbridge will not be opened immediately. This signal communicates to the vessel that the drawbridge operator has received the request to open the draw, but is unable to do so at that time. The other options, such as a flashing amber light, flashing white light, or vertically raised and lowered white flag, would typically indicate that the drawbridge is preparing to open or is in the process of opening. The fixed red light is the visual signal that conveys the drawbridge is not able to open the draw immediately in response to the vessel's request.
Related Questions
#401 If your vessel must pass through a draw during a scheduled closure period, what signal should you sound to request the opening of the draw? #402 You are approaching an open drawbridge and sound the proper signal. You receive no acknowledgment from the bridge. Which action should you take? #404 If a towboat requires a double lockage it shall give which sound signal at a distance of not more than one mile from the lock? #405 You are holding position above Gallipolis Lock and Dam when you hear two long blasts of the horn from the lock. This indicates that you should _______________.#406 What is characteristic of an occulting light?