The Encofrador arriving into Sunderland from Gijon in northern Spain. At first glance, the ship appears like a standard cargo ship, but on closer inspection the bulky central section stands out. This has been adapted to carry cement, with a capacity of 5,100 tons.

Built in 1976, the name of the ship apparently translates to formworker or carpenter. It is one of three ships in the fleet of Masaveu Industrias.