tail rotor
anti-torque rotor

Since the valley was directly below, he didn't need to worry about the tail rotor.

As of late last night, the tail rotor had not been found, the state police said.

This work later led to the development of the tail rotor.

Wind moving in the same direction as the tail rotor moves air.

She reached the tail rotor and ducked under to the other side.

Remember that you need to hold some tail rotor on to fly straight.

You should see the tail rotor slow right down or even stop.

If the tail rotor will stay together just a couple more seconds!

During landing and poor visibility the tail rotor hit the ground.

The spot where the crack began supports the tail rotor.