What should be your immediate course of action during a bomb threat on board?

During a bomb threat on board an aircraft, the appropriate immediate course of action is to contact the Incident Operations Center (IOC). This is crucial because the IOC is responsible for coordinating responses to such emergencies and has the resources and protocols in place to handle these situations effectively. By notifying the IOC, you enable them to initiate the proper security measures, assess the threat level, and communicate with law enforcement and other relevant authorities. They can provide guidance on the next steps, ensuring that any action taken is in line with safety protocols and company policy.

While finding an escape route, calling for law enforcement, or beginning evacuation may seem like proactive responses, they can lead to confusion or escalate the situation without proper coordination from the IOC. Also, evacuation may not be advisable depending on the circumstances and location of the threat, making it essential to follow established procedures by consulting with central command first.