'It appears that a grab dredger
, consisting of a crane with a clamshell bucket, is installed on the smaller barge to the west, while the other carries a backhoe.
Quoting an anonymous source, the report said that the syndicate uses a grab dredger
or crane barge to 'fish' for parts of the wreckage from the seabed.
One was the Jin Hang Jun 406, a grab dredger
and the 3,086-tonne cutter Xin Hai Tun, a suction dredger, the IHS report said.
After 43 years on the Tyne the last grab dredger
was sold last year to a developing Port in Africa.
The spokesman added that the Mersey Mariner grab dredger
would be retained for in-dock dredging.
Begun in July 1991 and not scheduled for completion until April 1993, this major undertaking has brought together a formidable fleet of dredgers, including several trailing suction hopper dredgers, a cutter suction dredger and grab dredgers