From International Dictionary of Marine Aids to Navigation
Jump to navigation Jump to search


Alternative term: (Cargo) boom

A spar projecting from a mast, gantry, tripod or other supporting structure, and fitted with topping lift, slewing guys and lifting tackle.

Note :

In Germany, the term Schwergutbaum is used for derricks of more than 10 tons load.

Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM