While we have taken utmost care to be as factual as possible, readers/ users are advised to verify the exact text and content of the Regulation from the original source/ issuing Authority. This Technical Circular and the material contained in it is provided only for the purpose of supplying current information to the reader and not as an advice to be relied upon by any person. In view of above, ship managers, operators and masters are advised to undertake the necessary actions in consultation with the equipment manufacturer to ensure that the systems are in compliance with the requirements in force. A setting method of JLR-7700MKII, JLR-4330 and JLR-4331 will need to be applied to avoid the issue.Ĥ. Time and date will go back to 29 September 2002 when either a master-reset of equipment or battery replacement is carried out after 15 May 2022, affecting above mentioned equipment. GPS Receiver JLR-4331 (s/n: all after KE50479) GPS Week Number Rollover Event - Any affect to GPS sync Fixed-Framing. GPS Receiver JLR-4330 (s/n: all after KE54239) In Central European Summer Time, this corresponds to 01:59:42 CEST on Sunday 7 April 2019. Note that this corresponds to 23:59:42 UTC on 6 April 2019, because GPS time is unaffected by so-called leap seconds. The second rollover will happen at midnight (GPS time) of 6-7 April 2019.
GPS Navigator JLR-7700MKII (s/n: all after KE47190) The first rollover happened at midnight of 21-22 August 1999. Registration process to INMARSAT network will fail and will not be possible to communicate, date of internal clock and log function will return to the commencement date affecting above mentioned equipment. INMARSAT FLEET BROAD BAND 250 – Model: JUE-250 (all serial numbers).
Scheduled transmission, LRIT and VMS functions will stop, Date and log function will return to starting date. The following equipment will be affected:Ī. Position data is not envisaged to be affected.ģ. Referenced models are designed to turn the clock back to 29 September 2002 and will continue to perform incorrectly under normal use (incorrect date information, communication function may encounter problems) unless the designated countermeasure (as applicable) has been implemented. Malta Maritime Administration vide Technical Notice SLS.35 has informed that GPS week number rollover for the referenced Japan Radio Company (JRC) equipment is scheduled to occur on.
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