Definition(s)
Required Free-Fall Height
Required free-fall height is the greatest distance measured from the still water surface to the lowest point on the lifeboat when the lifeboat is in the launch configuration and the ship is in its lightest seagoing condition.
Source: IMO Resolution MSC.48(66), adoption of the International Life-Saving Appliance (LSA) Code, 4 June 1996, International Maritime Organization. Legislation