Co-ordinate flight activities with ground crews and air-traffic control, inform crew members of flight and test procedures, and direct activities of aircraft crew during flights
Conduct in-flight tests and monitor functioning of aircraft equipment and systems during flights
Conduct pre-flight inspection of aircraft and check passenger and cargo distribution to ensure that weight and balance specifications are met
Contact control towers for takeoff clearances, arrival instructions, and other information
Maintain communications with flight dispatchers and weather forecasters and respond to and report in-flight emergencies and malfunctions