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 RR30: RR Article 30: Distress and safety communications, general provisions

What does RR30 require?

Chapter VII governs the operational use of the GMDSS, whose carriage requirements SOLAS sets, and distress, urgency and safety on 156.8 MHz (30.1, 30.5); nothing prevents a station in distress, or stations assisting it, from using any means (30.2, 30.3); the Chapter is obligatory in the maritime mobile and maritime mobile-satellite services for stations using the prescribed frequencies and techniques (30.4), and for aircraft communicating with maritime mobile-satellite stations (30.8), with aircraft distress-capable equipment specified (30.11) and land mobile stations bound when using distress frequencies (30.13).

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

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