Flight Controls

Question 1

What main rotor blade movement results from collective flight control movement?
A. Simultaneous pitch change in both blades
B. Equal pitch change in both blades
C. Same direction pitch change in both blades
D. All of the above

Answer 1

D. All of the above

Simultaneous pitch change in both blades
Equal pitch change in both blades
Same direction pitch change in both blades

Question 2

Which collective flight control component moves up when the collective is pulled up?
A. The collective sleeve assembly 
B. The non-rotating swash plate 
C. The rotating swash plate
D. The collective servo actuator

Answer 2

A. The collective sleeve assembly

Question 3

Which of the following is included in the collective flight control system?
A. Adjustable friction 
B. A down lock
C. A servo actuator 
D. All the above

Answer 3

D. All the above

Adjustable friction
A down lock
A servo actuator

Question 4

What action results from cyclic flight control movement?
A. Changing the angle of incidence of the synchronized elevator
B. Tilting the rotor disk in the desired direction of flight
C. Changing the AFCS reference attitude to a new attitude
D. Both A and B

Answer 4

D. Both A and B

Changing the angle of incidence of the synchronized elevator
Tilting the rotor disk in the desired direction of flight

Question 5

To what units are cyclic flight control movements directed prior to going to the cyclic ser- voactuators?
A. The auto trim actuators 
B. The heli pilot computers 
C. The cyclic mixing unit
D. The cyclic friction clamps

Answer 5

C. The cyclic mixing unit

Question 6

In which direction do the cyclic servoactuators move if the cyclic stick is moved laterally to the right or left?
A. Both actuators move equally in the same direction.
B. Both actuators move equally in the opposite direction.
C. Both actuators move in the direction the cyclic moved.
D. Only the right or the left servoactuator moves down.

Answer 6

B. Both actuators move equally in the opposite direction.

Question 7

Which of the following is part of the cyclic control system?
A. Forcetrim
B. Adjustable friction 
C. Two servo actuators 
D. All the above

Answer 7

D. All the above

Forcetrim
Adjustable friction
Two servo actuators

Question 8

Which type of tail rotor blade pitch change occurs when the antitorque pedals are moved?
A. Collective 
B. Cyclic
C. Feathering 
D. Automatic

Answer 8

A. Collective

Question 9

Which of the following is not included in the collective flight control system?
A. A servo actuator
B. Adjustable friction 
C. Built-in friction 
D. Force trim

Answer 9

D. Force trim

Question 10

What is the purpose of the helicopter’s force trim system?
A. To provide cyclic stick and antitorque pedal positioning
B. To provide collective and dynamic elevator positioning
C. To provide artificial “feel” for the cyclic and pedals
D. Both A and C

Answer 10

D. Both A and C

To provide cyclic stick and antitorque pedal positioning
To provide artificial “feel” for the cyclic and pedals

Question 11

Which of the following is a component of the force trim system?
A. Electrically actuated magnetic brakes
B. Mechanical force gradient assemblies
C. Cyclic-mounted force trim release switches
D. All of the above

Answer 11

D. All of the above

Electrically actuated magnetic brakes
Mechanical force gradient assemblies
Cyclic-mounted force trim release switches

Question 12

What is the purpose of the synchronized elevator?
A. To increase roll stability and CG range
B. To increase pitch stability and CG range
C. To assist the AFCS cyclic flight control system
D. To reduce pitch instability at low airspeed

Answer 12

B. To increase pitch stability and CG range

Question 13

What controls the movement of the synchronized elevator?
A. Fore-and-aft cyclic flight control linkage
B. Aerodynamic forces acting on the trim tabs
C. AFCS helipilot computer pitch channel output
D. Fly-by-wire and air data computer control units

Answer 13

A. Fore-and-aft cyclic flight control linkage

Question 14

What is the requirement for AFCS on Bell 212 helicopters?
A. AFCS is required on all IFR-equipped helicopters.
B. AFCS is required on all VFR- equipped helicopters.
C. AFCS is required on all Bell helicopters.
D. AFCS is optional on both IFR and VFR Bell 212 helicopters

Answer 14

A. AFCS is required on all IFR-equipped helicopters.

Question 15

Which AFCS mode is used during "hands- off" flying?
A. SAS
B. ATTD 
C. CPL
D. FT OFF

Answer 15

B. ATTD

Question 16

What is the primary way in which the AFCS moves the flight control linkage?
A. Electrical control rod actuators 
B. The three-axis trim system
C. Cyclic hydraulic servo actuators 
D. Electrohydraulic series actuators

Answer 16

D. Electrohydraulic series actuators

Question 17

How many trim systems assist AFCS operation in the ATTD mode?
A. One 
B. Two 
C. Three 
D. Four

Answer 17

C. Three

Question 18

What is the purpose of the control motion transducers and in which mode do they function?
A. To establish the SCU reference attitude when in SCAS mode
B. To indicate the pilot-established attitude when in SCAS mode
C. To establish the SCU reference attitude when in ATTD mode
D. To indicate the pilot-established attitude when in ATTD mode

Answer 18

B. To indicate the pilot-established attitude when in SCAS mode

Question 19

What is the indication of an AFCS hardover?
A. A small but excessive change in helicopter attitude
B. Illumination of the HYDRAULIC caution panel light
C. The cyclic flight control being driven to a stop
D. All of the above

Answer 19

A. A small but excessive change in helicopter attitude

Question 20

What should be the pilot’s first action for an AFCS hardover?
A. Manually fly the helicopter and de- press the AFCS release switch.
B. Manually restrain movement of the cyclic flight control.
C. Immediately switch off all three channels of the AFCS.
D. Switch from ATTD mode operation to SCAS mode operation.

Answer 20

A. Manually fly the helicopter and de- press the AFCS release switch.

Question 21

What should be the pilot’s first action for an AFCS hardover?
A. Manually fly the helicopter and depress the AFCS release switch.
B. Manually restrain movement of the cyclic flight control.
C. Immediately switch off all three channels of the AFCS.
D. Switch from A TTD mode operation to SCAS mode operation.

Answer 21

A. Manually fly the helicopter and depress the AFCS release switch.