Timeline for LRIT Implementation
| SHIPS (over 300 gt) | GMDSS AREA | DATE OF IMPLEMENTATION |
|---|---|---|
| Ships constructed on or after 31 December 2008 |
All | From date of build |
| Ships constructed before 31 December 2008 |
A1 and A2, or A1, A2 and A3 |
Not later than 1st survey of the radio installation after 31 December 2008 |
| Ships constructed before 31 December 2008 |
A1, A2, A3 and A4 | Not later than 1st survey of the radio installation after 1 July 2009 |
Regulations and IMO Resolutions
- IMO Resolution MSC.202(81) – LRIT Regulation
- IMO Resolution MSC.210(81) - LRIT Performance Standard
- IMO Resolution MSC.211(81) - LRIT Timely Establishment
- IMO Resolution MSC.242(83) – Use of LRIT for Safety and Environment protection
- IMO Resolution MSC.263(84) - Revised performance standards and functional requirements for LRIT
- IMO Resolution MSC.264(84) - Establishment of the international LRIT data exchange on an interim basis
- IMO Resolution MSC.1/Circ.1256 - Guidance on the implementation of the LRIT system
- IMO Resolution MSC.1/Circ.1257 - Guidance on the survey and certification of compliance of ships with the requirement to transmit LRIT information
- IMO Resolution MSC.1/Circ.1258 - Guidance on the survey and certification of compliance of ships with the requirement to transmit LRIT information
- IMO Resolution MSC.1/Circ.1259 - Interim revised technical specifications for the LRIT system

