The Long-Range Identification and Tracking (LRIT) system provides for the global identification and tracking of ships.

The obligations of ships to transmit LRIT information and the rights and obligations of SOLAS Contracting Governments and of Search and rescue services to receive LRIT information are established in regulation V/19-1 of the 1974 SOLAS Convention.

The LRIT system consists of the shipborne LRIT information transmitting equipment, the Communication Service Provider(s), the Application Service Provider(s), the LRIT Data Centre(s), including any related Vessel Monitoring System(s), the LRIT Data Distribution Plan and the International LRIT Data Exchange. Certain aspects of the performance of the LRIT system are reviewed or audited by the LRIT Coordinator acting on behalf of all SOLAS Contracting Governments.

LRIT information is provided to Contracting Governments to the 1974 SOLAS Convention and Search and rescue services entitled to receive the information, upon request, through a system of National, Regional and Cooperative LRIT Data Centres using the International LRIT Data Exchange.

Each Administration should provide to the LRIT Data Centre it has selected, a list of the ships entitled to fly its flag, which are required to transmit LRIT information, together with other salient details and should update, without undue delay, such lists as and when changes occur. Ships should only transmit the LRIT information to the LRIT Data Centre selected by their Administration.

Related Links

DDP (production environment)
DDP (testing environment)
IDE Administrative Interface
IMSO

Related Documents

MSC.1/Circ.1259/Rev.4
Long-range identification and tracking system – Technical documentation (Part I)
MSC.1/Circ.1294/Rev.2
Long-range identification and tracking System – Technical documentation (Part II)
MSC.1/Circ.1295
Guidance in relation to certain types of ships which are required to transmit LRIT information, on exemptions and equivalents and on certain operation matters
MSC.1/Circ.1298
Guidance on the implementation of the LRIT system
MSC.1/Circ.1307
Guidance on the survey and certification of compliance of ships with the requirement to transmit LRIT information
MSC.1/Circ.1338
Guidance to search and rescue services in relation to requesting and receiving LRIT information
MSC.1/Circ.1376
Continuity of service plan for the LRIT system
MSC.1/Circ.1377/Rev.4
List of application service providers authorized to conduct conformance tests and issue LRIT Conformance test reports on behalf of the Administrations
MSC 86/INF.16
LRIT Data Distribution Plan – Accessing and entering information Guidance notes for Contracting Governments Developmental and integration testing Guidance notes for LRIT Data Centres
Resolution MSC.202(81)
2006 SOLAS (chapter V) amendments
Resolution MSC.211(81)
Arrangements for the timely establishment of the Long range identification and tracking system
Resolution MSC.242(83)
Use of Long-range identification and tracking information for safety and marine environmental protection purposes
Resolution MSC.263(84)
Revised performance standards and functional requirements for the long-range identification and tracking of ships
Resolution MSC.264(84)
Establishment of the International LRIT Data Exchange on an interim basis
Resolution MSC.275(85)
Appointment of the LRIT Coordinator
Resolution MSC.276(85)
Operation of the International LRIT Data Exchange on an interim basis
Resolution MSC.297(87)
Establishment of the International LRIT Data Exchange
Resolution MSC.298(87)
Establishment of a distribution facility for the provision of LRIT information to security forces operating in waters of the Gulf of Aden and the western Indian Ocean
Resolution MSC.322(89)
Operation of the International LRIT Data Exchange

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