What does item "G" refer to in illustration D045DG of a 30-ton pedestal crane?

Correct Answer: Option A — Turntable

Reference USCG engineering diagrams for a 30-ton pedestal crane identify item G as the turntable. This mechanical assembly supports the rotating upper structure, housing the slew drive and bearings that enable 360-degree rotation of the crane jib relative to the fixed pedestal base.