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Security Levels

List of IMO Documents and Publications

Unpublished documents: The following Assembly resolutions and MSC Circulars are available for free below or at COMSAR Circulars are available for free below or at

Reference Date Title
Res. A.705(17) 06/11/1991 Promulgation of maritime safety information
Res. A.705(17)a 06/11/1991 Amendments to Resolution A.705(17) – Promulgation of Maritime Safety Information
Res. A.706(17) 06/11/1991 World-Wide Navigational Warning Service
Res. A.706(17)a 06/11/1991 Amendments to Resolution A.706(17) – World-Wide Navigational Warning Service
Res. A.814(19) 23/11/1995 Guidelines for the avoidance of false distress alerts
Res. A.855(20) 27/11/1997 Standards for on-board helicopter facilities
Res. A.856(20) 27/11/1997 Guidance to Administrations on development of a shore-based SAR telecommunication infrastructure
Res. A.887(21) 25/11/1999 Establishment, updating and retrieval of the information contained in the registration databases for the global maritime distress and safety system (GMDSS)
Res. A.894(21) 25/11/1999 International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual
Res. A.919(22) 29/11/2001 Acceptance and implementation of the International Convention on Maritime Search and Rescue, 1979, as amended
Res. A.920(22) 29/11/2001 Review of safety measures and procedures for the treatment of persons rescued at sea
Res. A.949(23) 05/12/2003 Guidelines on places of refuge for ships in need of assistance
Res. A.950(23) 05/12/2003 Maritime Assistance Services (MAS)
Res. A.954(23) 05/12/2003 Proper use of VHF channels at sea
Res. A.999(25) 29/11/2007 Guidelines on voyage planning for passenger ships operating in remote areas
Res. A.1001(25) 25/11/2009 Criteria for the provision of mobile satellite communication systems in the global maritime distress and safety system (GMDSS)
Res. ​A.1044(27) 30/11/2011 ​Piracy and armed robbery against ships in waters off the coast of Somalia
Res. ​A.1051(27) 20/12/2011 ​IMO/WMO Worldwide met-ocean information and warning service – guidance document​


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Last Modified 5/5/2016