How to use VHF marine radio channel 16
VHF Channel 16 is internationally recognised as the distress, safety, and calling frequency for maritime communication. VHF Channel 16 serves as a critical communication channel for boaters and mariners, and its primary uses include:
- Initial Contact: VHF Channel 16 is primarily used as the initial contact channel when two vessels or parties wish to communicate with each other but have not yet established a specific working channel. It is a common practice to make initial contact on Channel 16 and then switch to a designated working channel for further communication.
- Distress Calls: VHF Channel 16 is designated for making distress calls in emergency situations. When a vessel is in distress and requires immediate assistance due to a life-threatening situation, it can transmit a distress call on Channel 16 to request help. Distress calls typically follow the “MAYDAY” format and include critical information including vessel identification, position, details about the nature of the emergency, vessel description and the number of people on board.
- Urgency Messages: VHF Channel 16 is also used to broadcast messages that may be of an ‘urgent’ nature such as disabled and drifting or a medical emergency where the situation is not of a life threatening nature.
- Safety Information: VHF Channel 16 is used by maritime authorities, including Marine Rescue and other rescue organisations, to broadcast safety-related information such as weather updates, navigational warnings, and other critical messages that are essential for the safety of vessels at sea.
- Monitoring: VHF Channel 16 is monitored 24/7 by authorities and emergency responders, ensuring that distress calls are promptly received and acted upon. It is a crucial channel for maintaining a lifeline to assistance in emergency situations.
- It’s important to note that VHF Channel 16 is strictly reserved for distress, urgency, safety, and initial contact purposes. It is not meant for casual conversation or non-urgent communication.
- Misuse of Channel 16 can interfere with emergency responses and adversely affect safety at sea. Boaters are encouraged to be familiar with proper VHF radio etiquette and regulations to ensure the effective and responsible use of this critical communication channel.
- For more Marine Radio Licence information please visit our website at True North Marine Training
About the Author: After a maritime career on Ships, Tugs, Ferries, Dredging and Customs Patrol vessels Peter is now retired. In his spare time Peter is the Captain of a Marine Rescue vessel, conducts Tutoring for Coxswains and Master qualifications and is a registered Invigilator to oversee Marine Radio Licence exams.
For quick and secure Marine Radio Licence enrolments please use this link: Marine Radio Enrolments

