Lifeboat Release and Retrieval System
Lifeboat release and retrieval system is the means by which the lifeboat is connected to, and released from, the lifeboat falls for lowering, launch and retrieval. It comprises the hook assembly and operating mechanism.
Source: IMO MSC.1/Circ.1392, Guidelines for evaluation and replacement of lifeboat release and retrieval systems, 27 May 2011, International Maritime Organization. Regulatory Guidance