ITU Radio Regulations and Space Security Standards
RR Chapter VII: Distress and safety communications – ITU Radio Regulations and Space Security Standards

ITU Radio Regulations and Space Security Standards RR33: RR Article 33: Operational procedures for urgency and safety communications in the GMDSS

What does RR33 require?

Urgency and safety communications cover navigational and meteorological warnings, ship-to-ship safety, ship reporting, search and rescue support, other urgency and safety messages and ship movements; urgency takes priority over all but distress and safety over all but distress and urgency (33.1 to 33.7B); urgency announcements, calls and messages use the Article 31 frequencies and the PAN PAN signal (33.8 to 33.11B), with maritime safety information and other procedures in the following Sections.

Maintained by Gerard BlokdykVerified against the published standard Control text last updated

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