The hook material shall be alloy steel and produced as a forging or casting.
The load hook shall meet the material requirements of 11.1.7.
Hooks shall be equipped with a latch to retain loose lifting gear under non-lifting conditions. There shall be a positive
locking means if the hook is to be used for transporting personnel. The latch is not intended to support the lifted load.
7.2.5.5 Load Block Design Factors
Design factors shall be determined by dividing the load block minimum plastic failure load by the corresponding load
block loads. The basic rating design factor shall be:
(32)
or
(33)