How should the number "4" be pronounced when spoken on the radiotelephone?
Official USCG Answer & Rule Citation
Correct Answer: Option D — KAR-TAY-FOWER
ITU and USCG radiotelephone standards mandate that the number '4' be pronounced as 'KAR-TAY-FOWER'. This distinct phonetic pronunciation prevents auditory confusion with words of similar sound during bridge-to-bridge communications and navigational safety reporting.
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