What are the three characteristics a log should possess to achieve its overall intent?

A log in the context of gas turbine systems, or any operational environment, serves to document various important aspects of operations and maintenance. For a log to be effective, it should capture information that is foundational to understanding the history of operations, provide a timeline of events, and include data relevant to current conditions.

By focusing on the characteristics "Historical," "Chronological," and "Current," the log effectively serves its purposes. The historical aspect allows for tracking the evolution of operations and maintenance decisions over time, shedding light on trends, previous issues, and how they were resolved. The chronological characteristic ensures that events are recorded in the order they occurred, making it easier to follow the flow of operations and understand cause-and-effect relationships. Finally, including current information ensures that operators and technicians are aware of the immediate status and conditions of the system being monitored, allowing for timely and informed decision-making.

These characteristics combine to provide a comprehensive overview and a reliable reference that supports operational efficiency and safety.