Definition(s)
Luffing
The operation of changing boom angle in a vertical plane (in effect changing the working radius).
Source: API RP 2D, Operation and Maintenance of Offshore Cranes, Seventh Edition, December 2014. Global Standards
Luffing
The operation of changing boom angle in a vertical plane.
Source: API RP 2D, Operation and Maintenance of Offshore Cranes, Sixth Edition, May 2007. Global Standards