What role does the FAA play in the regulation of airlines?

The Federal Aviation Administration (FAA) plays a crucial role in overseeing airline industry safety and operations. This includes enforcing regulations that ensure aircraft airworthiness, pilot qualifications, and the safety of airline operations. The FAA develops and enforces standards for aircraft maintenance, pilot training, and air traffic control, which are vital for maintaining a safe air transportation system.

Option B reflects the FAA's primary mission, which is centered on promoting aviation safety, ensuring operational efficiency, and overseeing the implementation of regulations that protect the public. By establishing clear guidelines and conducting inspections, the FAA helps maintain high standards within the airline industry, which is essential for the safety of passengers and crew alike.

The other choices do not accurately capture the full scope of the FAA's responsibilities. While the FAA may be involved in aspects related to airport management and can influence fees indirectly through regulatory policies, its main focus is not on managing airports or setting their fees. Additionally, the FAA's role extends beyond just training personnel, as it encompasses oversight and regulation across the entire airline and aviation system. While there may be some involvement in international agreements, the FAA primarily focuses on domestic operations and safety regulations, making choice B the most accurate representation of its role.