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?
A
A flashing white light
B
A fixed red light
C
A white flag raised and lowered vertically
D
A flashing amber light
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Question 1 / 2066636ee928f7522a1c519613
Question 1 of 2066636ee928f7522a1c519613
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?
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?