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- Master (Oceans or Near Coastal (Uninspected Fishing Industry Vessel)) »
- Q183 - Navigation General: Oceans
233. Under the U.S. Aids to Navigation System, a special mark possesses which of the following characteristics?
Special marks are yellow aids that, if lighted, may display a yellow flashing light. They are not required to be white, Morse code 'A', or isophase.
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