Responsible for operating and maintaining vessel propulsion plant and related auxiliary machinery, cargo handling systems, deck machinery and hotel systems onboard "engineers"; may or may not actually have engineering degree, but addresses technical working of ship. · Gain a thorough knowledge of equipment maintenance, watchkeeping, tracing, and learning the various systems onboard (fuel, ballast, cargo, hydraulic, and pneumatic lines, pumps, cranes, winches, generators, purifiers, HVAC, refrigerant units, ODME, etc.).