A hydrostatic release approved for any size of life raft up to a buoyancy load of 1500kgs, with a 4 year operational life. The unit is totally weatherproof, requiring virtually no maintenance. It is Solas Approved, Wheel Marked and fulfilled all the requirements in the testing for IMO Res. A689 (17) and IMO Res. MSC 81 (70). It has all the applicable regulations of Solas 74 and the relevant requirements being specificed in Annex A.1, section 1, item A1/1.16 as well as in Annex B Module B of the directive. NEW