Question 3426Deck General70% to pass
When a mobile offshore drilling unit on the waters of the U.S. Outer Continental Shelf has more than one obstruction light, the lights must be operated to flash _______________.
AI Explanation
The correct answer is A) at the same time.
According to the U.S. Coast Guard regulations, when a mobile offshore drilling unit on the waters of the U.S. Outer Continental Shelf has more than one obstruction light, the lights must be operated to flash at the same time. This is to ensure that the lights are clearly visible and provide a consistent visual signal to other vessels and aircraft in the area, alerting them to the presence of the obstruction.
The other options are incorrect because they do not match the regulatory requirement for the lights to flash simultaneously. Flashing the lights in sequence at intervals of 5, 10, or 15 seconds would not provide the necessary visual cue for the obstruction.
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#3424 A mobile offshore drilling unit must display obstruction lights when it is on the waters over the Outer Continental Shelf and is _______________.#3425 When dragging of an anchor occurs, you must either reposition it at greater range or _______________.#3427 What color are obstruction lights on mobile offshore drilling units that are located on the waters of the U.S. Outer Continental Shelf seaward of the line of demarcation? #3428 The requirements for obstruction lights on mobile offshore drilling units apply on all waters _______________.#3429 A mobile offshore drilling unit is on the waters of the U.S. Outer Continental Shelf. It has a length of 220 feet and a breadth of 190 feet. Where must the obstruction lights be located?