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A 23-tonne knuckleboom crane, and auxiliary 5-tonne crane are also installed.
Knuckleboom cranes has become very common on offshore vessels as less of the deck space is blocked by the crane.
Hiab are the world's largest knuckleboom crane manufacturer and the number one brand for crane technology.
A knuckleboom crane appears similar to a standard crane, except that the boom articulates at the 'knuckle' near the middle, letting it fold back like a finger.
Patrol Frigate 4501 is very similar to the NSC, the main differences being a modified stern ramp and a knuckleboom crane replacing the overhead crane.
Knuckleboom crane arms are much lighter than boom truck cranes, and they are designed to allow for more payloads to be carried on the back of the truck that it is mounted on.