Convention on the International Regulations for Preventing Collisions at Sea (COLREG)

General Detail

General Information

  1. Type: Convention
  2. Date of signature:
  3. Place of signature: London, United Kingdom
  4. Depositary:
  5. Date of entry into force: 15/07/1977

Category

Transport and telecommunications

Sub category

Maritime shipping and load lines

Groups

IMO

What is it about?

This Convention regulates the maritime traffic scheme, establishing a number of requirements. It covers traffic rules related to traffic separation scheme; speed; risk of collision; steering and sailing; lights and shapes; and sound and light signals. Its annexes deal with technical provisions on lights and shapes and their positioning; sound signalling appliances; additional signals for fishing vessels when operating in proximity; and international distress signals.

Why is it relevant?

This instrument establishes international rules on traffic scheme that are essential to maritime safety for preventing collisions at sea. In doing so, it makes the observance to traffic separation scheme mandatory.

Additional Information

The COLERGs has a considerable number of amendments dealing with other issues related to maritime traffic such as inshore traffic zone, safety operations, and seaplanes. It also adopts a tacit acceptance procedure by which an amendment must first be adopted by two thirds of the Governments in the Maritime Safety Committee to enter into force. After that, the amendment enters into force on a specified date unless more than one third of Governments notify the Organization (IMO) of their objection.

  • Convention on the International Maritime Organization (Geneva, 06/03/1948).

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Country ratifications
CountryRatification date
Albania15/04/2004
Algeria04/10/1976
Angola30/10/1991
Antigua and Barbuda29/01/1988
Argentina11/05/1977
Australia29/02/1980
Austria08/06/1977
Azerbaijan01/07/1997
Bahamas22/07/1976
Bahrain21/10/1985
Bangladesh10/05/1978
Barbados12/01/1983
Belarus07/01/1994
Belgium22/12/1975
Belize09/04/1991
Benin01/11/1985
Bolivia (Plurinational State of)04/06/1999
Brazil26/11/1974
Brunei Darussalam05/02/1987
Bulgaria29/04/1975
Cambodia28/11/1994
Cameroon14/05/1984
Canada07/03/1975
Cape Verde28/04/1977
Chile02/08/1977
China07/01/1980
Colombia27/07/1981
Comoros22/11/2000
Congo07/01/1993
Cote d'Ivoire05/10/1987
Croatia08/10/1991
Cuba07/11/1983
Cyprus04/11/1980
Czech Republic01/01/1993
Democratic People's Republic of Korea01/05/1985
Democratic Republic of the Congo10/02/1977
Denmark24/01/1974
Djibouti01/03/1984
Dominica21/06/2000
Dominican Republic15/03/1978
Ecuador08/12/1977
Egypt19/02/1987
El Salvador17/06/1997
Equatorial Guinea24/04/1996
Eritrea22/04/1996
Estonia16/12/1991
Ethiopia18/07/1985
Fiji04/03/1983
Finland16/02/1977
France10/05/1974
Gabon21/01/1982
Gambia01/11/1991
Georgia19/04/1994
Germany14/07/1976
Ghana07/12/1973
Greece17/12/1974
Grenada28/06/2004
Guatemala15/12/1993
Guinea19/01/1981
Guyana10/12/1997
Honduras24/12/1985
Hungary15/12/1976
Iceland21/04/1975
India30/05/1973
Indonesia13/11/1979
Iran17/01/1989
Ireland19/12/1977
Israel24/06/1977
Italy11/01/1979
Jamaica30/03/1979
Japan21/06/1977
Jordan05/10/2000
Kazakhstan07/03/1994
Kenya15/12/1992
Kiribati05/02/2007
Kuwait04/06/1979
Latvia20/05/1992
Lebanon10/11/2008
Liberia28/12/1973
Libyan Arab Jamahiriya28/04/2005
Lithuania04/12/1991
Luxembourg14/02/1991
Malaysia23/12/1980
Maldives14/01/1981
Malta20/03/1989
Marshall Islands26/04/1988
Mauritania17/11/1995
Mauritius26/05/1989
Mexico08/04/1976
Moldova11/10/2005
Monaco18/01/1977
Mongolia26/06/2002
Montenegro03/06/2006
Morocco27/04/1977
Mozambique30/10/1991
Myanmar11/11/1987
Namibia27/11/2000
Netherlands04/02/1976
New Zealand26/11/1976
Nicaragua02/12/1999
Nigeria17/01/1974
Norway13/08/1974
Oman25/04/1985
Pakistan14/12/1977
Palau29/09/2011
Panama14/03/1979
Papua New Guinea18/05/1976
Peru09/01/1980
Philippines10/06/2013
Poland14/12/1976
Portugal17/10/1978
Qatar31/01/1980
Republic of Korea29/07/1977
Romania27/03/1975
Russian Federation09/11/1973
Saint Kitts and Nevis11/06/2004
Saint Lucia20/05/2004
Saint Vincent and the Grenadines28/10/1983
Samoa23/10/1979
Sao Tome and Principe29/10/1998
Saudi Arabia03/07/1978
Senegal27/10/1978
Serbia27/04/1992
Seychelles22/08/1988
Sierra Leone20/07/2001
Singapore29/04/1977
Slovakia01/01/1993
Slovenia25/06/1991
Solomon Islands07/07/1978
South Africa20/12/1976
Spain31/05/1974
Sri Lanka04/01/1978
Sudan11/03/2003
Sweden28/04/1975
Switzerland30/12/1975
Syrian Arab Republic16/02/1976
Thailand06/08/1979
Togo19/07/1989
Tonga12/04/1977
Trinidad and Tobago15/02/1979
Tunisia01/02/1978
Turkey16/05/1980
Turkmenistan04/02/2009
Tuvalu01/10/1978
Ukraine05/03/1993
United Arab Emirates15/12/1983
United Kingdom28/06/1974
United Republic of Tanzania16/05/2006
United States of America23/11/1976
Uruguay15/08/1979
Vanuatu28/07/1982
Venezuela03/08/1983
Viet Nam18/12/1990
Yemen06/03/1979
Treaties analysis
YearRatifications
19734
19749
19757
197612
197716
19789
197910
19809
19813
19822
19836
19842
19856
19874
19883
19894
19901
19919
19923
19935
19944
19951
19962
19973
19981
19992
20004
20011
20021
20031
20044
20052
20062
20071
20081
20091
20111
20131
Total157
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