SC298SC298(Dec 2022)(Corr.1Nov 2023)

Interpretations of various PerformanceStandards related to GMDSS radio installations
Operative paragraphs 2.1 and 3.1 of resolution MSC.508(105) respectively read:
2 RECOMMENDS Governments to ensure that NAVTEX receiver equipment:.1 if installed on or after 1 January 2024, conforms to performance standards not inferior
to those specified in the annex to the present resolution;
3 ALSO RECOMMENDS that equipment for the reception of NBDP broadcasts ofnavigational and meteorological warnings and urgent information to ships by HF:.1 if installed on or after 1 January 2024, conforms to performance standards not inferior
to those specified in the annex to the present resolution; andOperative paragraphs 2 and 3 of resolution MSC.510(105) respectively read:
2 RECOMMENDS Governments to ensure that radar SARTs that will form part of theGMDSS, conform to performance standards not inferior to those specified in the annex tothis resolution;
3 DETERMINES that this resolution supersedes resolutions A.530(13) and A.802(19), asamended, as from 1 January 2024;
Operative paragraph 2.1 of resolution MSC.511(105) read:
2 RECOMMENDS Governments to ensure that shipborne VHF radio installations capable ofvoice communication and digital selective calling which will form part of the GMDSS:.1 if installed on or after 1 January 2024, conform to performance standards not inferior tothose specified in the annex to the present resolution;
Operative paragraph 2.1 of resolution MSC.512(105) read:
2 RECOMMENDS Governments to ensure that shipborne MF and MF/HF radio installations
capable of voice communication, digital selective calling and reception of maritime safety
information which will form part of the GMDSS:.1 if installed on or after 1 January 2024, conform to performance standards not inferior tothose specified in the annex to the present resolution;

Note:
1. This Unified Interpretation is to be uniformly implemented by IACS member Societies on orafter 1 January 2024.
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SC298Operative paragraph 3.1 of resolution MSC.513(105) read:
3 RECOMMENDS Governments to ensure that every Inmarsat-C ship earth station whichforms part of the GMDSS:.1 if installed on or after 1 January 2024 conforms to performance standards not inferior tothose specified in the annex to the present resolution; andOperative paragraph 2.1 of resolution MSC.515(105) read:
2 RECOMMENDS Governments to ensure that survival craft portable two-way VHF
radiotelephone apparatus:.1 if installed on or after 1 January 2024 conforms to performance standards not inferior tothose specified in the annex to the present resolution;
Operative paragraph 2.1 of resolution MSC.516(105) read:
2 RECOMMENDS Governments to ensure that on-scene (aeronautical) two-way VHF
radiotelephone apparatus for use in search and rescue operations:.1 if installed on or after 1 January 2024, conforms to performance standards not inferior
to those specified in the annexes to resolution MSC.80(70), as amended by the presentresolution; andOperative paragraph 2.1 of resolution MSC.517(105) read:
2 RECOMMENDS Governments to ensure that a shipborne integrated communication
system (ICS) when used in the GMDSS:.1 if installed on or after 1 January 2024 conforms to performance standards not inferior tothose specified in the annex to the present resolution; andPage 2 of 3

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SC298Interpretation:
For application of resolutions MSC.508(105), MSC.511(105)1, MSC.512(105) 1,MSC.513(105) 1, MSC.515(105), MSC.516(105) and MSC.517(105), the phrase “installed onor after 1 January 2024” shall be interpreted as follows:(a) for ships for which the building contract is placed on or after 1 January 2024, or in theabsence of the contract, the keel of which is laid or which are at a similar stage ofconstruction on or after 1 January 2024, "installed on or after 1 January 2024" means
any installation on the ship; and(b) for ships other than those ships prescribed in (a) above, "installed on or after 1 January2024" means a contractual delivery date for the equipment or, in the absence of acontractual delivery date, the actual delivery of the equipment to the ship on or after 1
January 2024.
The revised performance standards specified in the annex of resolution MSC.510(105)(Radar SARTs) shall apply to;(c) the equipment installed for ships for which the building contract is placed on or after 1
January 2024, or in the absence of the contract, for ships the keel of which is laid or
which are at a similar stage of construction on or after 1 January 2024; and(d) For ships other than those ships prescribed in (c) above, the equipment with, acontractual delivery date on or after 1 January 2024 or, in the absence of a contractual
delivery date, an actual delivery date of the equipment to the ship on or after 1 January2024.

Footnote:
1With reference to MSC.1 Circular 1676, this circular allows, based on the flag state’sacceptance, postponement of installation of equipment according to MSC.511(105),
MSC.512(105) and MSC.513(105) until 1 January 2028.

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