Dangerous Cargo - All substances of an inflammable nature which are liable to spontaneous combustion either in themselves or when stowed adjacent to other substances and, when mixed with air, are liable to generate explosive gases or produce suffocation or poisoning or tainting of foodstuffs.
Category: - Maritime - Risk

Dangerous Liquids - Liquids giving off inflammable vapors.
Category: - Risk

Data-cleaning - Removal and/or correction of erroneous data introduced by data entry errors, expired validity of data, or by some other means.
Category: - GIS

Data Dictionary - The part of a database containing information about the files, records, and attributes rather than just the data.
Category: - GIS

Data Mining - Revisiting existing data to explore for new relationships using new and more powerful tools for analysis and display.
Category: - GIS

Data Structure - The logical and physical means by which a map feature or an attribute is digitally encoded.
Category: - GIS

Datum - A datum is a mathematical surface on which a mapping and coordinate system is based.
Category: - GIS

DATUM - The most probable position of a search object, corrected for drift,at any specific time."point de repère ou DATUM"
Category: - SAR

Datum Marker Buoy - Datum Marker Buoy’s are small waterproof radio transmitters, dropped from helicopters, airplanes or boats, which are used to mark the location of floating debris. The DMBs drift at or near the same speed as the actual sea current, enabling ships and aircraft to track the drift of the debris or to serve as location reference."bouée-repère électronique""
Category: - SAR

Davit - A crane arm used in handling small boats, lifeboats, stores, gear, etc.
Category: - Maritime