The time required for a lighted aid to complete a full cycle of light changes is listed in the Light List as the __________.
Official USCG Answer & Rule Citation
Correct Answer: Option D — period
The period is the total time interval required for a light to complete one full cycle of changes, including all light and dark phases. As defined in the USCG Light List, this duration is a critical characteristic used by mariners to positively identify a specific aid to navigation.
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