What is the only authoritative source of information on the boiler system on any ship?

The technical manual serves as the only authoritative source of information on the boiler system aboard a ship because it is specifically designed to provide detailed guidance on the design, operation, maintenance, and troubleshooting of the boiler system. It contains standardized procedures and specifications that ensure consistent performance and safety standards across various types of boilers. This manual is written by the equipment manufacturer and is regularly updated to reflect current practices and safety regulations.

Other sources, like the operator's manual, service handbook, and emergency guidelines, may provide useful information but do not contain the comprehensive and specific authoritative content found in the technical manual. The operator's manual typically focuses more on everyday usage and basic operational procedures, while the service handbook may contain repair instructions that are not as detailed or tailored to specific scenarios as the technical manual. Emergency guidelines, on the other hand, are intended to outline immediate actions to take in critical situations and do not provide the comprehensive technical data necessary for thorough understanding and long-term maintenance of the boiler system. Therefore, the technical manual is the go-to resource for authoritative information on the boiler system.