The Maritime Safety Committee,
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Statutory Documents - IMO Publications and Documents - Resolutions - Maritime Safety Committee - Resolution MSC.471(101) - Performance Standards for Float-Free Emergency Position-Indicating Radio Beacons (EPIRBs) Operating on 406 MHz - (Adopted on 14 June 2019) - The Maritime Safety Committee,

The Maritime Safety Committee,

 RECALLING Article 28(b) of the Convention on the International Maritime Organization concerning the functions of the Committee,

RECALLING ALSO regulations IV/7.1 and 14.1 of the International Convention for the Safely of Life at Sea (SOLAS), 1974, as amended, concerning radiocommunications for the Global Maritime Distress and Safety System (GMDSS), which require, inter alia, that ships be provided with an emergency position-indicating radio beacon (EPIRB), which shall conform to appropriate performance standards not inferior to those adopted by the Organization,

RECOGNIZING the need to prepare performance standards for float-free EPIRBs operating on 406 MHz through the Cospas-Sarsat System of low-altitude earth orbiting, medium-altitude earth orbiting, and geostationary earth orbiting satellites to be used in the GMDSS, in order to ensure the operational reliability of such equipment and to avoid, as far as practicable, adverse interaction between such equipment and other communication and navigation equipment on board ships,

RECOGNIZING ALSO that EPIRBs, as a component of the GMDSS and operating through the Cospas-Sarsat System in the frequency band 406-406.1 MHz, should be type-approved to ensure the integrity of the Cospas-Sarsat satellite system, avoid harmful interference to the spaceborne equipment, exclude unauthorized transmissions, and to provide reliable data to rescue coordination centres,

HAVING CONSIDERED the recommendation made by Sub-Committee on Navigation, Communications and Search and Rescue, at its sixth session,

1 ADOPTS the Recommendation on performance standards for float-free Emergency Position-Indicating Radio Beacons (EPIRBs) operating on 406 MHz, set out in the annex to the present resolution;

2 RECOMMENDS that Member States ensure that float-free EPIRBs operating on the frequency 406 MHz, which form part of the GMDSS:

  • .1 if installed on or after 1 July 2022, conform to performance standards and type-approval standards not inferior to those specified in the annex to the present resolution;

  • .2 if installed before 1 July 2022, conform to performance standards not inferior to those specified in the annex to resolution A.810(19), as amended by resolutions MSC.56(66) and MSC.120(74), and type-approval standards not inferior to those specified in resolution A.696(17);

3 INVITES the Cospas-Sarsat partners to ensure that any amendments to the specification for Cospas-Sarsat 406 MHz distress beacons that could impact on this performance standard are agreed with the Organization prior to their adoption;

4 AGREES that any proposed amendments to this resolution are agreed with the Cospas-Sarsat partners prior to their adoption;

5 ALSO AGREES to keep these Performance Standards under review and to adopt amendments thereto, as necessary.


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