Which of the following is NOT part of the supplemental information for Big 5?

The correct answer is personal history, as it does not pertain to the supplemental information typically included when assessing or responding to situations regarding the "Big 5." The Big 5 generally refers to critical factors that watchstanders evaluate to ensure the safety and proper coordination of operations. These include elements like emergency contacts, sea state, and weather conditions, all of which provide relevant and immediate information for decision-making in maritime operations.

Emergency contacts are necessary for ensuring quick communication and assistance during emergencies. Sea state provides insights into the conditions at sea, which is crucial for safety and navigation. Weather conditions similarly play a vital role in determining operational safety and planning.

In contrast, personal history does not have the same direct relevance to ongoing operational contexts or emergency responses as the other elements do. While it may hold some significance in understanding individual behavior or capability, it is not part of the immediate situational awareness tools used in the context of the Big 5.