Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC.1/Circular.1338 – Guidance to Search and Rescue Services in Relation to Requesting and Receiving LRIT Information – (1 March 2011) - Annex – Guidance to Search and Rescue Services in Relation to Requesting and Receiving LRIT Information - 6 Processing of initial requests for LRIT information
6 Processing of initial requests for LRIT information
6.1 The LRIT Data Centre serving the SAR service will, using the criteria provided by the SAR service, formulate a request for the provision of LRIT information for search and rescue purposes, in accordance with the provisions of the Technical specifications for communications within the LRIT system, and will forward it to the other LRIT Data Centres through the International LRIT Data Exchange.
6.2 The LRIT Data Centres receiving the request for such information will process it using the criteria provided in the request and will forward, through the International LRIT Data Exchange, to the LRIT Data Centre which requested the information which is available to them.
6.3 The LRIT Data Centre will also process the request in relation to the LRIT information which is transmitted to it and will provide the SAR service with the information it has received from the other LRIT Data Centres and the information it has available.
6.4 Requests for the provision of LRIT information for search and rescue purposes are not assigned, within the LRIT system, any form of handling or processing priority over other requests for LRIT information.
6.5 The LRIT information which will be provided to a SAR service upon request will indicate all the positions of ships, including the one for which specific information may have been requested, in degrees, minutes and decimals of a minute (to 2 decimals), with a single space between the coordinates and no other spaces, without punctuation, with a stop or a comma as a decimal separator, with leading zeros for single number minutes, but not for degrees and with the minutes tick following the fractional part, for example 51°42.03'N 5°07.14'E.
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