What publication contains procedures, charts, and diagrams required for operation of the ship's propulsion plant?

• A. Engineering Operational Sequencing System (EOSS)
• B. Engineering and Operations Manual
• C. Propulsion Plant Procedures Handbook
• D. Shipboard Mechanical Reference

Answer: (A)

The essential idea is that operating the ship’s propulsion plant is guided by a single, structured set of step-by-step procedures that link actions with the necessary diagrams and charts. The publication that provides this is the Engineering Operational Sequencing System. It contains the exact start-up, normal operating, and shutdown sequences, plus the charts and diagrams showing how the propulsion system components interconnect and what indicators to monitor. This makes it the authoritative source for practicing and executing propulsion plant operations consistently and safely, across different watch teams. Other manuals tend to be broader or reference material that describes equipment or policy rather than providing the standardized procedural sequence with integrated diagrams needed for propulsion operations.