If you notice something problematic and are unsure what to do, who should you call?

In scenarios where you encounter an issue and feel uncertain about how to proceed, it's crucial to communicate effectively with those in command. The pilot and flight deck coordinator are the most appropriate points of contact in this situation because they have the authority and responsibility to address any issues that may arise during flight operations. They can assess the problem, provide guidance, and take necessary actions based on the situation.

The pilot is trained to make critical decisions regarding the aircraft's safety and operation, while the flight deck coordinator ensures coordination among the flight crew and ground support. Their combined expertise allows for a swift and informed response to any problem that may arise, ensuring safety and operational efficiency.

Seeking advice from fellow crew members or the ground crew may not provide the necessary expertise or authority to address flight-related issues, and contacting the maintenance crew without first informing the pilot and flight deck coordinator may cause delays in addressing urgent concerns. Thus, communication with the pilot and flight deck coordinator is vital for maintaining safety protocols and effective operations on the flight deck.