sea and maneuver away from the platform or danger area and call for help from a nearby platform or emergency response vessel or coast guard. There are three types of totally enclosed motor propelled survival crafts. They include: single hook and single cable launched survival capsule (originated from the original Brucker Life Sphere) includes capacities from 14 to 80 passengers; twin fall lifeboat (32-100 personnel) and free fall lifeboat (30-70 personnel). See also Oil platform Lifeboat (shipboard) Notes References Lifeboats