Korea to Angola Passage
In passage from Korea to Angola, the Heavy Lift Barge Mighty Servant 2
hit a rock hazard and sank with loss of 5 crew, the $175 million top-side platform and project delays.
Possible causes include application of the wrong vertical coordinate reference system, leading to incorrect water depth calculations.
Further details here.

Tarim Basin, China
The yellow line represents a single 2D seismic line in the Tarim Basin, China.
A 500 kilometer difference induced by lack of software error trapping



