Torrey Canyon oil spill
The Torrey Canyon oil spill on the southwest coast of the UK in the spring of 1967 is one of the world's most serious oil spills and left an international legal and environmental legacy that lasted decades. At the time the world's most serious oil spill, as of 2014 it remains the UK's worst, with an estimated 32 million gallons of crude oil spilled. The wreck of the supertanker SS Torrey Canyon affected hundreds of miles of coastline in the UK, France, Guernsey, and Spain and mitigation efforts involved bombing raids by aircraft from the Royal Air Force and Royal Navy.
Torrey Canyon left Mina al-Ahmadi with a full cargo of crude oil in February 1967, reached the Canary Islands in March, with an intended destination of Milford Haven in West Wales. On 18 March 1967, she struck Pollard's Rock on Seven Stones reef between the Cornish mainland and the Isles of Scilly.
When laid down in the United States in 1959, she had a capacity of 60,000 tons, but the ship was enlarged in Japan to 120,000 tons capacity. At the time of the accident, she was registered in Liberia and owned by Barracuda Tanker Corporation, a subsidiary of Union Oil Company of California but chartered to British Petroleum. She was 974.4 feet (297.0 m) long, 125.4 feet (38.2 m) beam and 68.7 feet (20.9 m) draught.
The accident is attributed to two mistakes in the steering control design:
- The steering lever was designed to switch the steering to a "Control mode", intended for use in maintenance only, which disconnected the rudder from the steering wheel.
- The design of the steering selector unit did not provide an indication of the peculiar mode at the helm.
Torrey Canyon left the Kuwait National Petroleum Company refinery at Mina al-Ahmadi on her final voyage on 19 February 1967 with a full cargo of crude oil, reaching the Canary Islands by 14 March. From there the planned route was to Milford Haven, Wales. On 18 March 1967, owing to a navigational error, she struck Pollard's Rock on the Seven Stones reef, between the Cornish mainland and the Isles of Scilly.
The tanker had to be ready to deliver her cargo to anywhere in the world, and so had only small-scale charts; she used LORAN, but not the more accurate Decca Navigator. When the risk of collision with a fishing fleet became obvious, there was some confusion between the Master and the helmsman (who was actually the cook and had little experience) as to whether she was in manual or automatic steering mode; by the time this was resolved, it was too late. Unsuccessful attempts were made to float her off the reef, and one member of the Dutch salvage team, Captain Stal, was killed.
Detergent was used by Cornwall fire brigade and attending Royal Navy vessels in an attempt to disperse the oil. However, the ship had started to break up and UK Prime Minister Harold Wilson and his cabinet held a mini cabinet meeting at the Royal Naval Air Station Culdrose and decided to set fire to the remaining oil to avoid the oil disaster getting worse.
On 28 March 1967, the Fleet Air Arm sent Blackburn Buccaneer planes from RNAS Lossiemouth to drop forty-two 1,000-lb bombs on the ship. Then, the Royal Air Force sent Hawker Hunter jets from RAF Chivenor to drop cans of aviation fuel to make the oil blaze. However, exceptionally high tides put the fire out and it took further attacks by Sea Vixens from the RNAS Yeovilton and Buccaneers from the Royal Navy Air Station Brawdy, as well as more RAF Hunters with liquified petroleum jelly (not napalm, as HMG denied that the UK forces had stocks of napalm) to ignite the oil. Attempts to use foam booms to contain the oil were of limited success due to their fragility in high seas. Bombing continued into the next day before Torrey Canyon finally sank.
The wreck now lies at a depth of 30 metres (98 ft).
Some of the oil from the ship was dumped in a quarry on the Chouet headland on Guernsey in the Channel Islands, and is still there today. However, efforts to rid the island of the oil continue with some success.
About 50 miles (80 km) of French and 120 miles (190 km) of Cornish coast were contaminated. Around 15,000 sea birds were killed, along with huge numbers of marine organisms, before the 270 square miles (700 km2) slick dispersed. Much damage was caused by the heavy use of so-called detergents to break up the slick – these were first-generation variants of products originally formulated to clean surfaces in ships' engine-rooms, with no concern over the toxicity of their components. Many observers believed that they were officially referred to as 'detergents', rather than the more accurate 'solvent-emulsifiers', to encourage comparison with much more benign domestic cleaning products. Some 42 vessels sprayed over 10,000 tons of these dispersants onto the floating oil and they were also deployed against oil stranded on beaches. In Cornwall, they were often misused – for example, by emptying entire 45-gallon drums over the clifftop to 'treat' inaccessible coves or by pouring a steady stream from a low-hovering helicopter. On the heavily oiled beach at Sennen Cove, dispersant pouring from drums was 'ploughed' into the sand by bulldozers over a period of several days, burying the oil so effectively that it could still be found a year or more later.
The UK government was strongly criticised for its handling of the incident, which was at that time the costliest shipping disaster ever. The RAF and the Royal Navy also came in for ridicule, as 25% of the 42 bombs dropped missed the enormous stationary target.
Claims were made by the British and French governments against the owners of the vessel and the subsequent settlement was the largest ever in marine history for an oil claim. The British government was able to serve its writ against the owners only by arresting the Torrey Canyon's sister ship, the Lake Palourde, when she put in for provisions at Singapore, four months after the oil spill. A young British lawyer, Anthony O'Connor, from a Singaporean law firm, Drew & Napier, was deputised to arrest the ship on behalf of the British government by attaching a writ to its mast. O'Connor was able to board the ship and serve the writ as the ship's crew thought he was a whisky salesman. The French government, alerted to the Lake Palourde's presence, pursued the ship with motor boats, but crew were unable to board and serve their writ.
The disaster led to many changes in international regulations, such as the International Convention on Civil Liability for Oil Pollution Damage (CLC) of 1969, which imposed strict liability on ship owners without the need to prove negligence, and the 1973 International Convention for the Prevention of Pollution from Ships.
Cultural references and impact
The Torrey Canyon disaster was the subject of a satirical song by Serge Gainsbourg on the album Initials B.B.. The story also appeared in an episode of Heartbeat, when Vernon Scripps contributed to the insurance of the vessel, and lost all his recently acquired fortune as a result.
The then little known botanist David Bellamy came to public prominence as an environmental consultant during the disaster. He made his first prominent TV appearances after publishing a report on the episode. He went on to be a leading environmental and nature campaigner for decades.
The problems of reducing death following "immersion hypothermia" which were highlighted by the disaster led to "development of new techniques for safety and rescue at sea" and changes in the way survivors are winched from the sea.
Amoco Cadiz oil spill - 1978
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