Marine Engineering

Water & Waste Systems

Watermakers, pumps, hot-water systems, black and grey water, sewage treatment and onboard water management.

Watermakers, pumps, hot-water systems, black and grey water, sewage treatment and onboard water management.

Engineer

Superyacht Bilge Water, Oily-Water Separation & Discharge Control: Collection, 15 ppm Monitoring & Compliance

Bilge-water management links machinery-space drainage, collection wells, holding tanks, transfer pumps and oily-water treatment into one controlled system. Reliable operation depends on minimizing contamination, maintaining separation equipment and alarms, controlling residues and applying the yacht's actual MARPOL, flag and local discharge requirements.

Last verified: Aug. 9, 2026

Engineer

Superyacht Grey Water, Drainage & Holding Systems: Collection, Transfer & Odour Control

Grey-water systems collect wastewater from showers, washbasins, laundries, galleys and other approved sources before holding, transfer or treatment. Reliable operation depends on correct segregation, drainage gradients, pumps, level controls, odour management and clear routing to treatment, shore reception or another permitted destination.

Last verified: Aug. 9, 2026

Engineer

Superyacht Hot Water, Calorifiers & Circulation: Heating, Mixing & Temperature Control

A yacht's hot-water system combines calorifiers, electrical or recovered heat, thermostats, relief devices, mixing valves and circulation loops. Reliable performance depends on separating heat-generation faults from storage, distribution and temperature-control problems while preserving pressure and temperature protection.

Last verified: Aug. 9, 2026

Engineer

Superyacht Sea Water Service Systems, Strainers & Distribution: Sea Chests, Pumps & Cooling Supply

Sea-water service systems bring seawater through hull inlets and sea chests to strainers, pumps, coolers and other approved consumers before controlled discharge overboard. Reliable operation depends on clean inlets, low suction restriction, effective pump redundancy, correct distribution, suitable materials and early recognition of fouling, corrosion and loss of flow.

Last verified: Aug. 9, 2026

Engineer

Superyacht Vacuum Toilet & Sanitary Collection Systems: Vacuum Generation, Piping & Fault Diagnosis

Vacuum sanitary systems use pressure differential and controlled air flow to move toilet waste through compact pipework to collection or treatment equipment. Reliable operation depends on stable vacuum, correct flush-valve sequencing, airtight piping, effective vacuum generation, suitable water supply and disciplined diagnosis of leaks, blockages and repeated cycling.

Last verified: Aug. 9, 2026