Highly trained professionals who fly airplanes and helicopters to carry out a wide variety of tasks. Most pilots transport passengers, cargo and mail. Some dust crops, spread seed for reforestation, test aircraft and fly passengers and cargo to areas not serviced by regular airlines. Others direct fire fighting efforts, track criminals, monitor traffic, rescue and evacuate injured persons, and take aerial photographs. Helicopter pilots are involved in fire fighting, police work, rescue, construction and various other operations.