T3 DAFC

Question 1

With the aircraft at a hover and Translational Rate Command captured, what will occur if the DAFCS Trim Switch is beeped forward 3 times?

Answer 1

Move forward at 3 knots

Question 2

The DAFCS stabilizes the helicopter about all axis and enhances control response. Name five features provided by DAFCS.

Answer 2

Heading Hold, Altitutde Hold, Aircrast Stability, Pitch Attitude Hold, Altitude Hold, DAFCS Trim, Bankle Angle Hold, Airspeed Hold

Question 3

How do you momentarily disengage altitude hold when changing altitudes?

Answer 3

Thrust brake

Question 4

When flying in known or forcast moderate or above turbulance, what are the three concerns/restrictions the pilot should be aware of?

Answer 4

Do not use BALT hold, ensure thrust brake operation, LCT in MAN

Question 5

Will the cyclic move when the DAFCS trim switch is moved laterally?

Answer 5

No

Question 6

Should BARO ALT hold be used in moderate turbulance or above?

Answer 6

No

Question 7

Which actuator makes the control input for positive stick gradient, pitch attitude, and airspeed hold purposes?

Answer 7

DASH

Question 8

What is the status of the Heading Stability feature when the Swivel Lock Switch is not in the LOCK pistion?

Answer 8

DAFCS Heading Hold is degraded

Question 9

Will the Longitudinal Cyclic Trim Actuators function with the DAFC Switch in the off postion?

Answer 9

Yes

Question 10

With the Translational Rate Command captured, what happens to the status of the TRC when either WOW switch engages?

Answer 10

Disengaged

Question 11

When flying in moderate turbulance or above, should BARO ALT be engaged?

Answer 11

No

Question 12

What is the name of the DAFCS component which the #1 Fligh Control Computer control to provide Altitude Hold?

Answer 12

Thrust CCDA

Question 13

Which DAFCS computer controls the radar and inertial altitude hold?

Answer 13

FCC1

Question 14

How do the flight control computers know to place the LCT actuators to the GRD position when in AUTO?

Answer 14

Both WOW switches engage

Question 15

What should you do if the LCT actuator fails to postion to GND during taxi, water, or slope operations?

Answer 15

Place LCTs in Manual

Question 16

When accelerating from a hover, what is the max groundspeed which can be flown to remain within the Low Speed Regime?

Answer 16

20 KGS

Question 17

At what groundspeed does the TRC feature become active or captured?

Answer 17

Below 9 KGS

Question 18

Name two features of DAFCS that disengage when the Centering Device Release switch is pressed?

Answer 18

Bank Angle Hold, Heading Hold

Question 19

What are the three control laws for the DAFCS?

Answer 19

Forward Flight, Low Speed, Ground

Question 20

What is the maximum aircraft bank angle with altitude hold?

Answer 20

45

Question 21

What is the maximum allowable airspeed when operating with both DAFCS OFF?

Answer 21

160 KCAS

Question 22

What is the maximum allowable airspeed when operating with a single DAFCS ON?

Answer 22

100 KCAS

Question 23

What must be monitored to prevent transmission damage when changing airspeed ot heading with ALT HOLD engaged?

Answer 23

Torque

Question 24

Which Flight Control Computer control the Pitch CCDA?

Answer 24

FCC2

Question 25

At what groundspeed will the Low Speed Regime become active when decelerating?

Answer 25

16 KGS

Question 26

If you have a hard-over with both DAFCS on, how will you know when you have the good system selected ON and the malfunctioning system OFF?

Answer 26

Reverse Hard-Over

Question 27

What action is required to release the Thrust Magnetic Brake?

Answer 27

Depress the Thrust Brake Switch

Question 28

How will the aircraft react if DAFCS is turned Off at one airspeed and back on at a different airspeed?

Answer 28

Pitch Transients, adjusting to go where it was turned off

Question 29

What visual indications will you see when the DASH Actuators are re-centering when the DAFCS is first turned on?

Answer 29

DASH Caution Lights

Question 30

Do not manually extend the LCT actuators beyond GND position on the cyclic trim indicators at airspeed below ____ KIAS

Answer 30

60

Question 31

Describe one way you can change the aircraft bank angle without moving the cyclic?

Answer 31

AFCS Trim Switch

Question 32

Which mode of LCT operation should you select during flight in moderate or above turbulance?

Answer 32

Manual

Question 33

What does the acronym CPT stand for?

Answer 33

Control Position Transducer

Question 34

What does the acronym LVDT stand for?

Answer 34

Linear Variable Differential Transducer

Question 35

What is the name of the portion of the Integrated Lower Control Actuator that is controlled by the DAFCS Flight Control Computer?

Answer 35

Extendible Link

Question 36

How accurate is the DAFCS Heading Hold feature?

Answer 36

+/- 5 degrees

Question 37

When the landing gear proximity switches are active, the DAFCS input into the Pitch ILCA is reduced by what percent?

Answer 37

50

Question 38

What 3 DAFCS features are provided by the DASH actuator?

Answer 38

Airspeed Hold, Pitch Attitude Hold, Positive Stick Gradient

Question 39

Which Flight Control Computer controls the Thrust CCDA?

Answer 39

FCC1

Question 40

At what groundspeed does the Position Hold feature become active?

Answer 40

1 KGS

Question 41

Is “Go Around” a DAFCS feature or a feature of the Flight Director?

Answer 41

Flight Director

Question 42

When can radar altitude hold be used in forward flight?

Answer 42

Over water or known flat terrain

Question 43

Does the cyclic have to be centered for the cyclic to be in detent?

Answer 43

No

Question 44

Should you allow the cyclic to move when the AFCS trim switch is moved forward or aft?

Answer 44

Yes