Chapter 1. Lrit; Lrit System Overview; What Is Lrit System; Lrit System Configuration - JRC JUE-95LT Instruction Manual

1-1 LRIT system overview

1-1-1 What is LRIT system?

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.

1-1-2 LRIT system configuration

LRIT system is configured as following figure.
monitored and provided by the data centers of its own country.

CHAPTER 1. LRIT

Fig.1-1-2 LRIT system configuration
1-1
LRIT information of foreign-flag ships are
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