What is indicated by the signal letter R followed by one or more numbers?
Official USCG Answer & Rule Citation
Correct Answer: Option A — distance
Within the standardized tables of the International Code of Signals, the prefix letter R followed by one or more numerals invariably represents distance measurements transmitted between communicating vessels or shore stations.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.