Home / References / Impact for you Impact for you For the Boat Builder Ullman Seats are very light, extremely durable, maintenance free and have a very small footprint. For the Employer Costs for training operators of HSB are extensive.Keeping crews safe and healthy is decent – and good economy. For the Naval Architect Efficiency of High-Speed Craft is no longer limited by top speed capacity. With higher speeds, human factors onboard get increasingly important. For the Operator It is your employer’s responsibility and duty by law, to make sure the best technologies are installed in order reduce exposure and risks.