Who is primarily responsible for ensuring compliance with the FOM during flight operations?

The Captain holds the primary responsibility for ensuring compliance with the Flight Operations Manual (FOM) during flight operations. This is due to the Captain's role as the Pilot in Command (PIC) of the aircraft, which entails full authority over the operation and safety of the flight. The Captain must ensure that all operational procedures, safety protocols, and regulations outlined in the FOM are followed to maintain a safe and efficient flight environment.

The Captain's authority also includes making critical decisions and overseeing the actions of the flight crew. This ultimate responsibility necessitates a thorough understanding of the FOM to effectively manage operations, navigate any issues that may arise, and ensure that the flight adheres to all required standards. In contrast, while other roles like the First Officer, Operations Manager, and Chief Pilot play important supportive and supervisory functions, they do not carry the same level of operational authority and accountability during an actual flight.