When dispatching a routine message, what is the first piece of information to include?

In maritime communication, especially when dispatching a routine message, the first piece of information to include is the identity of the vessel making the transmission. This is crucial because it establishes who is sending the message, allowing the recipients to recognize and address the communication properly. The identity of the vessel ensures clarity and avoids confusion in crowded marine environments, where multiple vessels may be communicating simultaneously.

Establishing the vessel's identity at the outset helps the receivers to understand the context and determine the appropriate priority and action for the message. Once the vessel is identified, subsequent information such as the time, purpose, and location can follow, allowing for the message to be fully understood in its proper context. This structured approach to communication enhances safety and efficiency in maritime operations.