The self-piloted aircraft is a 160-pound retrofitted version of a radio-controlled helicopter built by Yamaha for crop-dusting in Japan.

But unlike radio-controlled helicopters, this one can carry out a series of instructions received all at once.

Super Helico --Obstacle course involving a radio-controlled helicopter.

A RadioShack exclusive, this radio-controlled helicopter flies up to a range of 25 feet and is rechargeable using the supplied helipad.

The second week of the competition offered a radio-controlled helicopter.

Some radio-controlled helicopters and smaller, helicopter-type unmanned aerial vehicles, use electric motors.

IRCHA works to promote the continued growth of radio-controlled helicopters through education, representation, service, and special events.

Many toys and hobby items are made from polycarbonate parts, e.g. fins, gyro mounts, and flybar locks for use with radio-controlled helicopters.

Some radio-controlled helicopters have photo or video cameras installed and are used for aerial imaging or surveillance.

Vibrating structure gyroscopes are commonly used in radio-controlled helicopters to help control the helicopter's tail rotor and in radio-controlled airplanes to help keep the attitude steady during flight.