Maritime Glossary
Source-cited definitions for shipping, engineering, navigation, and regulatory terminology. Confidence-scored and verified against primary IMO, IHO, and industry sources.
- SOLASSafety of Life at Sea · International Convention for the Safety of Life at Sea
- The primary international treaty governing the safety of merchant ships.
- regulationsafetyhigh confidence
- SOxsulphur oxides · sulphur dioxide · SO₂
- Sulphur oxides emitted from burning sulphur-containing marine fuels, regulated under MARPOL Annex VI.
- environmentregulationengineeringhigh confidence
- Salvagemaritime salvage
- A voluntary service rendered to a ship or cargo in peril, entitling the salvor to a reward based on the value of property saved.
- legaloperationssafetyhigh confidence
- Search and Rescue Radar TransponderSART · AIS-SART
- A battery-powered transponder that responds to a 9-GHz ship radar, producing 12 dots on the rescuer's radar to indicate a survivor's position.
- safetynavigationregulationhigh confidence
- Slow Steamingsuper slow steaming · speed optimisation
- Deliberately operating a vessel below its design speed to reduce fuel consumption and CO₂ emissions.
- operationsdecarbonizationengineeringhigh confidence
- Stabilityship stability · GM · metacentric height · GZ curve
- A ship's ability to return to an upright position after being heeled by an external force.
- seamanshipengineeringsafetyhigh confidence
- Standards of Training, Certification and WatchkeepingSTCW
- The international convention setting minimum training, certification, and watchkeeping standards for seafarers.
- seafarersregulationtraininghigh confidence