Context
The Tamames was a butane tanker owned by CEPSA. Built in 1965 in Valencia, she was 75.72 metres long, made up to 10 knots and carried about 20 crew. On the evening of Tuesday 6 February 1979 she was at sea east of Formentera, sailing from Alcúdia in Mallorca toward Cartagena. The wind was light, the sky clear and visibility good.