声音简介
Passage 8
Maritime communication comprises communication between vessels and coast-stations, intership communication and intraship communication (internal communication when the vessel is before casting off, leaving berth, loading or discharging, etc.).Vessels and coast-stations can communicate by means of Radio Telephony, Satellite, Digital Selective Calling (DSC) and Radio-Telex.
Categories of messages that can be transmitted and received are called ‘priorities’. They indicate the importance of the message.
A DISTRESS ALERT indicates that there is serious and immediate danger for vessel,crew and passengers. A Distress Alert is also referred to as a ‘MAYDAY’.
An URGENCY message indicates that there is serious danger for vessel, crew and passenger.
An Urgency Message is also referred to as a ‘PAN PAN’ message.
A SAFETY message indicates that there is imminent risk for navigation. A Safety Message isalso referred to as a ‘SECURITE’ message.
A ROUTINE message is transmitted to ensure safe navigation. Routine messages refer to intership communication, exchange of data in port operations, communication between ships and Vessel Traffic Services, inshore radar stations, pilot stations, bridges and locks.
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