Rules for Classification: Offshore Units (RU-OU)  (2023)

0101 Offshore drilling and support units

0102 Floating production, storage and loading units

0103 Floating LNG/LPG production, storage and loading units

0104 Self-elevating units, including wind turbine installation units and liftboats

0294 Modular systems for drilling and well

0300 Fleet in service

0375 Diving systems

0503 Floating fish farming units and installations

0512 Floating wind installations

0571 Floating infrastructure installations