Question 147 Deck Safety

The correct answer is A) TTT TTT TTT. The prefix "TTT TTT TTT" is used to indicate a message giving warning of a hurricane when sent by radiotelephone. This prefix is defined in the International Telecommunications Union (ITU) Radio Regulations and is used to alert mariners and others of an impending hurricane or other severe weather event. The other answer choices are incorrect. B) "No special prefix" is wrong because a special prefix is required. C) "Pan-Pan" is the prefix used for urgency messages, not hurricane warnings. D) "D" is not a recognized prefix in this context.