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- Q357 - Navigation General: Great Lakes and Inland
99. Which item in illustration D034NG below shows an occulting light?
Choice B is correct; it displays a pattern of prolonged light intervals punctuated by brief, regular periods of darkness, which defines an occulting light. This pattern contrasts with flashing lights, which exhibit short bursts of light against a dark background, and composite lights, which combine different pulse characteristics.
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