ISO 13122 pdf download Ships and marine technology — Launching appliances for davit-launched liferafts 6 Construction6.1General A launching appliance generally consists of loose gears, davit,turning gear,winch and automatic releasehook,etc. It may be specifically designed for launching and recovering the liferaft, or as a combined launchingappliance for multi-purpose functions, as long as those functions do not interfere with each other. Whateverthe...