Louisiana Boater Safety Practice Exam 2025 - Free Boater Safety Practice Questions and Study Guide

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What does Channel 70 focus on in maritime communication?

Public announcements

Digital selective calling

Channel 70 is designated specifically for Digital Selective Calling (DSC) in maritime communication, which is a key feature of the Global Maritime Distress and Safety System (GMDSS). DSC enables vessels to send automated distress alerts and routine calls without the need for voice communication, enhancing safety and efficiency on the water. This channel allows mariners to receive distress signals and communicate specific information such as vessel identity and location quickly and accurately.

While there are other channels used for emergency broadcasts or public announcements, Channel 70’s primary function is related to the automated system that operates seamlessly to streamline communication for distress situations and routine ship-to-shore communications. Thus, understanding the use of Channel 70 is essential for ensuring effective maritime communication and safety practices, particularly in emergency scenarios.

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Emergency broadcasts

Recreational vessel hailing

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