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UK MMSI
What is a UK MMSI Radio License?
UK MMSI Radio License
The UK Maritime Mobile Service Identity (MMSI) Radio License is an official authorization required for all vessels operating within the UK that use marine radio communication equipment such as VHF radios, AIS transponders, radar systems, and EPIRBs. This license ensures that
your vessel is uniquely identifiable in maritime communication systems, which is crucial forsafety, navigation, and emergency response.
Requirements & Importance
Legal Requirement and Importance
- Mandatory by Law: Under UK telecommunications regulations, every vessel equipped with certain radio communication devices must have an active MMSI radio license onboard.
- Enhanced Safety: The MMSI number transmits your vessel's identity during distress calls and routine radio communications, enabling faster and more precise responses from coastguards and nearby vessels.
- Operational Compliance: Carrying a valid MMSI license prevents fines or restrictions imposed by maritime authorities during inspections or port controls.
Who Requires the UK MMSI License?
- Vessels equipped with VHF radios — the most common marine communication device.
- Boats fitted with AIS transponders to broadcast real-time vessel location.
- Vessels with radar and EPIRB (Emergency Position Indicating Radio Beacon) devices.
- Applies to both private pleasure crafts and commercial vessels operating in UK waters.
Requirements
How to Obtain a UK MMSI License
The license is issued by the UK’s communications regulator, Ofcom.
Applicants must provide detailed vessel information, including:
- Owner’s personal or company details
- Vessel registration details
- Equipment list (e.g., VHF radio, AIS, radar, EPIRB)
The application process can be completed online or through authorized agents.
The license is typically valid for 5-10 years and must be renewed before expiration.
Get your UK MMSI Lisence
Secure your UK MMSI number with confidence. Our expert team handles the entire process, ensuring your vessel is properly equipped for global communication and compliant with international maritime regulations.
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UK MMSI FAQ'S
Yes, an MMSI number is essential for legal radio communication at sea and for use with marine safety devices like DSC radios and AIS transponders.
Typically, you’ll need proof of vessel ownership, identification documents, and sometimes your current radio equipment details.
Processing usually takes 1–3 working days if all documents are in order.
No. An MMSI is country-specific, so you must apply for one in each flag state where your vessel is registered.
It ensures seamless communication with coast guards and ships worldwide, improving safety during emergencies.
Yes, most MMSI licenses need renewal every 1–10 years depending on the issuing authority. Renewal is usually an online process.
Yes, but it’s not recommended as you won’t be able to legally use marine radios or AIS transponders in most jurisdictions.