FAA Repairman Certificate – Light-Sport
Aircraft (LSA) Maintenance – Gyroplane
Exam Practice Test Questions And Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. What is the primary control used to change the pitch attitude of a
gyroplane?
A. Rudder
B. Control stick
C. Throttle
D. Collective
Rationale: The control stick directly tilts the rotor disc, changing the
gyroplane’s pitch and roll attitude.
2. The rotor blades of a gyroplane are primarily driven by:
A. The engine through a gearbox
B. Aerodynamic autorotation
C. A hydraulic motor
, D. A belt drive system
Rationale: Gyroplanes use autorotation to maintain lift; the rotor is
not engine-driven during flight.
3. Which of the following best defines autorotation?
A. Engine drives the rotor system
B. Airflow through the rotor causes it to spin
C. Electric motor spins the rotor blades
D. Windmilling effect of the tail rotor
Rationale: In autorotation, the rotor spins due to upward airflow,
producing lift.
4. What component provides yaw control in a gyroplane?
A. Rotor head
B. Rudder
C. Elevator
D. Ailerons
Rationale: The rudder on the vertical stabilizer controls yaw through
aerodynamic forces.
5. During preflight inspection of a gyroplane, the rotor head should be
checked for:
A. Propeller pitch angle
B. Free movement and bearing condition
C. Rudder cable tension only
D. Fuel flow restriction
, Rationale: The rotor head must move freely with no excessive play to
ensure control safety.
6. The purpose of a pre-rotator in a gyroplane is to:
A. Increase yaw stability
B. Spin the rotor before takeoff
C. Provide lift during cruise
D. Control roll motion
Rationale: Pre-rotators help accelerate rotor blades before takeoff to
achieve flight RPM.
7. What type of engine is commonly used in Light-Sport Gyroplanes?
A. Turboprop
B. Four-stroke or two-stroke piston engines
C. Rotary (Wankel) engine
D. Diesel engine
Rationale: LSA gyroplanes typically use lightweight piston engines
like Rotax for efficiency and reliability.
8. The cyclic control on a gyroplane functions to:
A. Increase or decrease total rotor lift
B. Tilt the rotor disc in a desired direction
C. Control engine RPM
D. Adjust rudder trim
Rationale: The cyclic changes the rotor disc angle, controlling the
direction of flight.
, 9. What is the purpose of the teeter bolt in a two-blade rotor system?
A. Balance the rotor hub
B. Allow blades to flap as a unit
C. Adjust blade pitch
D. Secure the hub to the mast
Rationale: The teeter bolt allows both blades to flap together,
reducing stress from asymmetrical lift.
10. The phenomenon causing one rotor blade to produce more lift
than the other during forward flight is:
A. Rotor wash
B. Dissymmetry of lift
C. Gyroscopic precession
D. Coning
Rationale: Dissymmetry of lift occurs because advancing and
retreating blades experience different relative airspeeds.
11. How is dissymmetry of lift compensated in a gyroplane?
A. Varying engine RPM
B. Changing blade chord
C. Flapping of rotor blades
D. Increasing rudder deflection
Rationale: Flapping allows the advancing blade to rise and the
retreating blade to lower, balancing lift.
Aircraft (LSA) Maintenance – Gyroplane
Exam Practice Test Questions And Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. What is the primary control used to change the pitch attitude of a
gyroplane?
A. Rudder
B. Control stick
C. Throttle
D. Collective
Rationale: The control stick directly tilts the rotor disc, changing the
gyroplane’s pitch and roll attitude.
2. The rotor blades of a gyroplane are primarily driven by:
A. The engine through a gearbox
B. Aerodynamic autorotation
C. A hydraulic motor
, D. A belt drive system
Rationale: Gyroplanes use autorotation to maintain lift; the rotor is
not engine-driven during flight.
3. Which of the following best defines autorotation?
A. Engine drives the rotor system
B. Airflow through the rotor causes it to spin
C. Electric motor spins the rotor blades
D. Windmilling effect of the tail rotor
Rationale: In autorotation, the rotor spins due to upward airflow,
producing lift.
4. What component provides yaw control in a gyroplane?
A. Rotor head
B. Rudder
C. Elevator
D. Ailerons
Rationale: The rudder on the vertical stabilizer controls yaw through
aerodynamic forces.
5. During preflight inspection of a gyroplane, the rotor head should be
checked for:
A. Propeller pitch angle
B. Free movement and bearing condition
C. Rudder cable tension only
D. Fuel flow restriction
, Rationale: The rotor head must move freely with no excessive play to
ensure control safety.
6. The purpose of a pre-rotator in a gyroplane is to:
A. Increase yaw stability
B. Spin the rotor before takeoff
C. Provide lift during cruise
D. Control roll motion
Rationale: Pre-rotators help accelerate rotor blades before takeoff to
achieve flight RPM.
7. What type of engine is commonly used in Light-Sport Gyroplanes?
A. Turboprop
B. Four-stroke or two-stroke piston engines
C. Rotary (Wankel) engine
D. Diesel engine
Rationale: LSA gyroplanes typically use lightweight piston engines
like Rotax for efficiency and reliability.
8. The cyclic control on a gyroplane functions to:
A. Increase or decrease total rotor lift
B. Tilt the rotor disc in a desired direction
C. Control engine RPM
D. Adjust rudder trim
Rationale: The cyclic changes the rotor disc angle, controlling the
direction of flight.
, 9. What is the purpose of the teeter bolt in a two-blade rotor system?
A. Balance the rotor hub
B. Allow blades to flap as a unit
C. Adjust blade pitch
D. Secure the hub to the mast
Rationale: The teeter bolt allows both blades to flap together,
reducing stress from asymmetrical lift.
10. The phenomenon causing one rotor blade to produce more lift
than the other during forward flight is:
A. Rotor wash
B. Dissymmetry of lift
C. Gyroscopic precession
D. Coning
Rationale: Dissymmetry of lift occurs because advancing and
retreating blades experience different relative airspeeds.
11. How is dissymmetry of lift compensated in a gyroplane?
A. Varying engine RPM
B. Changing blade chord
C. Flapping of rotor blades
D. Increasing rudder deflection
Rationale: Flapping allows the advancing blade to rise and the
retreating blade to lower, balancing lift.
