4.1
Ships are required to be capable
of receiving maritime safety information broadcasts for the area in
which they operate in accordance with the provisions of the International
Convention for the Safety of Life at Sea, 1974, as amended.
4.2
The NAVTEX receiver should operate
in accordance with the technical specifications set out in Recommendation
ITU-R M.540, as amended. Resolution MSC.148(77) recommends Governments to ensure that NAVTEX receiver equipment,
if installed on or after 1 July 2005, conforms to performance standards
not inferior to those specified in resolution
MSC.148(77), and if installed before 1 July 2005, conforms
to performance standards not inferior to those specified in the annex
to resolution A.525(13).
4.3
The SafetyNET receiver should
conform to the Maritime Design and Installation Guidelines (DIGs),
annex B, issue 6 of April 2008 published by Inmarsat. Resolution MSC.306(87) recommends Governments
to ensure that EGC equipment, if installed on or after 1 July 2012,
conforms to performance standards not inferior to those specified
in the annex to resolution MSC.306(87),
and if installed before 1 July 2012, conforms to performance standards
not inferior to those specified in the annex to resolution A.664(16).
4.4
In sea area A4, outside of the
coverage of NAVTEX, where MSI is received using HF NBDP, the HF NBDP
receiver should operate in accordance with the technical specifications
set out in Recommendation ITU-R M.688, as amended, and should meet
the performance standards adopted by the Organization by resolution A.700(17), as amended.