Appendix 2. What Is Lrit - JRC jue-87 Instruction Manual

A2.1 LRIT System Summary
A2.1.1 What is LRIT?
Long-Range Identification and Tracking (LRIT) is the global monitoring system of ship's movement.
(1) LRIT system is obligation facilities of IMO.
(2) It is a system that transmits peculiar information of the ship (ship's communication ID and
position information) from Inmarsat-C terminals or other communication equipments, by the
commands from land.
(3) Object ships are passenger ship (including high-speed passenger ship), cargo ships (including
high-speed craft) , and mobile offshore drilling units.
(4) The application of the rule becomes the first survey of the radio inspection after 31 December
2008.
A2.1.2 LRIT System Configuration
LRIT system is configured as following figure. LRIT information of foreign-flag ships are monitored
and provided by the data centers of its own country.

APPENDIX 2. WHAT IS LRIT?

A2-1