Each credentialed crewmember must become familiar with the relevant characteristics of the vessel appropriate to their duties and responsibilities prior to assuming those duties and responsibilities. As appropriate, these may include, but are not limited to, general arrangement of the vessel, maneuvering characteristics, proper operation of the installed navigation equipment, proper operation of firefighting and lifesaving equipment, stability and loading characteristics, emergency duties, and main propulsion and auxiliary machinery, including steering gear systems and controls.