How should the letter "O" be pronounced when spoken on the radiotelephone?
Official USCG Answer & Rule Citation
Correct Answer: Option C — OSS CAH
International maritime radiotelephone spelling standards designate the pronunciation 'OSS CAH' for the letter 'O'. This distinct phonetic representation ensures clarity when spelling out alphanumeric names, call signs, or positions on marine VHF frequencies.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.