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 Conoco Britannia

SpillsConoco Britannia

On the 24 June 1973, the Liberian oil tanker the Conoco Britannia grounded in Humber estuary due to engine failure. This accident caused 500 tonnes of crude oil to be spilled.

During the response operation, dispersants were spread on the surface of the sea and on the beaches affected. The cargo remaining in the damaged tank was pumped out.

The impact on the coastline was minimal, however a number of oiled birds were found.


  • IFP, Banques de données sur les accidents de navire ayant provoqué un déversement de pétrole en mer supérieur à 500 tonnes, complément 1955-1974, Réf. 28 488, Octobre 1980
  • Department of Trade, Accidents at Sea Causing Oil Pollution, Review of Contingency Measures, London, 1978

Name: Conoco Britannia

Date: 24 June 1973

Location: North Sea

Accident area: Humber estuary

Cause of spill: grounding

Quantity transported: 98,400 tonnes

Type of pollutant: crude oil

Quantity spilled: 500 tonnes

Ship type: oil tanker

Date built: 1972

Flag: Liberian

Last update: April 2006

Emergency hotline: +332 98 33 10 10 - 24h/24