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Tanio

Name
Tanio
Accident date
07/03/1980
Location
France
Accident area
North of Batz island, Finistère
Spill area
Offshore
Cause of spill
Structural damage
Quantity transported
26,000 tonnes (+ 900 tonnes of bunker fuel oil)
Nature of pollutant
heavy fuel oil (n° 6)
Quantity spilled
12,500 tonnes
Ship / structure type
Oil tanker
Built date
1958
Length
191.88 m
Width
24.57 m
Flag
Madagascan

At dawn on 7 March 1980, a distress signal was sent by the oil tanker the Tanio off the northern coast of Finistère (western Brittany). The vessel was sailing from Wilhemshaven (Germany)  to Civitavecchia (Italy) with 26,000 tonnes of heavy fuel oil (n° 6) and 900 tonnes of bunker fuel oil. She was leaving the Channel when a violent storm spilt the tanker in two.
Despite a force 11 northwest wind, a British cargo tanker managed to quickly find the damaged vessel to the north of Batz island. The head of the vessel was floating vertically while the stern heeled over and drifted slowly. 12,500 tonnes of fuel were spilled out at sea. Rescue operations were organised at once by the Préfecture Maritime of the Atlantic, with the help of the French Navy's Operation Centre.
 
 A French Navy helicopter rescued 31 crew members in winds of 50 knots. However, 8 others, including 4 officers, were reported missing.

 

Composition and characteristics

Type

Fuel oil N°6 (Bunker C)

Appearance at 20°C

Viscous oil

Viscosity

33 cSt at100 °C
 340 cSt at 50 °C
 15,000 cSt at 20 °C

Pour point

9°C

Composition

paraffinics: 30 %
 aromatics: 53 %
 resins: 12 %
 asphaltenes: 5 %

Last update on 05/03/2020

See also

The animation created by Cedre for 40 years of Tanio

 

Bulletin N° 21: potentially polluting wrecks

External links

ITOPF Summary and selected bibliography

NOAA database (IncidentNews)

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