A line attendant must-
- be informed, and fully aware, of the dive operation and any changes to it;
- inform the commercial diving supervisor if he or she is not competent to carry out the line attendant duties required in the diving operation in a safe manner;
- inform the commercial diving supervisor of any hazard or danger arising during the course of the diving operation;
- comply with any lawful instruction given by the commercial diving supervisor appointed for that diving operation; and
- comply with any applicable instruction in the operations manual.