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FIIG:  T215-B

Entry Date:  Apr-01-1974

Concept:  

Status:  A

Applicability:  BA

Type:  0

Definition:  An arm designed to be mounted aboard a vessel for moving or handling various loads. In use the pivot end is attached to a supporting structure, the other end rigged to a mast or other rigid structure in such a manner that the angle of the arm may be adjusted, as required, to the horizontal. Rigging fittings and tackle may be furnished. Excludes: BOOM, SAIL; and BOOM, PONTOON BARGE.

Basic INC:  70035

Basic Name:  BOOM

Description:  1. A projecting member or conic truss structure. It may be movable as on a crane, derrick or fixed to support another structure as an empennage or rotary rudder of an aircraft. 2. A temporary floating barrier used to contain an oil spill, reduce the possibility of polluting shorelines and other resources, and to help make recovery easier.