If tail rotor pitch is decreased, what happens to the aircraft?

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Study for the Aviation Maintenance Technician, Second Class Exam. Engage with flashcards and multiple choice questions, each question comes with hints and explanations. Get ready for your AMT2 exam!

Multiple Choice

If tail rotor pitch is decreased, what happens to the aircraft?

Explanation:
Tail rotor anti-torque keeps the fuselage from yawing due to the main rotor’s torque. If tail rotor pitch is decreased, the tail rotor thrust drops, so anti-torque is reduced. The unopposed main-rotor torque then causes the aircraft to yaw in the same direction as that torque. In other words, it moves in the direction of the rotor’s torque. Vertical movement (climb or descend) isn’t controlled by tail rotor pitch, which is why those options don’t fit.

Tail rotor anti-torque keeps the fuselage from yawing due to the main rotor’s torque. If tail rotor pitch is decreased, the tail rotor thrust drops, so anti-torque is reduced. The unopposed main-rotor torque then causes the aircraft to yaw in the same direction as that torque. In other words, it moves in the direction of the rotor’s torque. Vertical movement (climb or descend) isn’t controlled by tail rotor pitch, which is why those options don’t fit.

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