Life Raft Release System and Launching Procedure by Capt. Hytham nouni
Life Raft Release System and Launching Procedure Life raft There are three different method to release liferaft. 👇 1) Auto release with Hydrostatic Release Unit (HRU). 2) Manually launching- throw it into water . 3) Launching by Davit. Auto Release with Hydrostatic Release Unit (HRU) The HRU plays an important role when it comes to saving a life during an abandon ship situation. SOLAS 74 clearly specify the requirements for construction and positioning of the HRU at the life raft. The Working of HRU: -HRU acts as a connecting media between life raft container and ship deck, where it is stored. -The HRU comes in action under the pressure of water exerted on HRU when the ship sinks below 4m of water level. 1-The HRU consists of a sharp knife or chisel which is used to cut the strap lashed over the container carrying life raft, but it still holds the painter at the weak link. 2-The HRU is connected to the container through a lashing arrangement which can be disengaged quickly by me