Complex sentence: Under many jurisdictions the Chief Engineer is of equal rank to the Captain, with responsibility being split between the two posts; the Chief Engineer taking responsibility for engine room and maintenance and the Captain taking responsibility for navigation and deck operations.
Split into simpler sentences: Under many jurisdictions the Chief Engineer is of equal rank to the Captain, with responsibility being split between the two posts. The Chief Engineer taking responsibility for engine room and maintenance and the Captain taking responsibility for navigation and deck operations.