Hyperbaric Lifeboat 

A diver under saturation breathes a mixture of gases under pressure, and to revert to normal atmospheric living necessitates a decompression period extending over days. The question thus arises of how best to ensure the survival of divers in saturation if their vessel or rig meets with an accident.  The hyperbaric lifeboat is then considered in more detail, particularly the self-propelled hyperbaric lifeboat (SPHL). This offers the best chance of survival; it can operate without external assistance, and has been shown to be capable of evacuating 12 divers from a saturation complex to a point 100 m away in under six minutes. Several examples of the SPHL developed by Offshore Marine Engineering Ltd. are in service (the first, classed by DnV and approved by the Norwegian authorities, went into North Sea service in April 1985). Click here to go to the next vessel...