Flight Controls

Question 1

BUCS FAIL OR BUCS FAIL P/R/Y
Possible FMC DISENGAGED

Answer 1

1. Flight controls …………. Transfer to rear crew station

Question 2

Uncommanded control inputs
Increased force required to move controls
Sluggish flight control inputs

Answer 2

1. FMC release button …………. Press

Flight control malfunction W-14R

Question 3

Uninitiated right yaw
Loss of AC GEN 1 and AC GEN 2 with Blank MPDs
Loss of PRI and UTIL HYD

Answer 3

1. EMERG HYD Button …………. Press ON
2. COL Reduce …………. Compromise between turn and descent rates
3. PWR Levers …………. OFF (10 - 20ft AGL)
4. COL …………. Cushion A/R

Main XMSN Tail Rotor Bevel-Idler Gear set Fail - W-4R

Question 4

Uninitiated right yaw
Possible GRBX VIBRATION

Answer 4

Continue flight possible:
1. Airspeed …………. Above 100KTAS until 10-20ft AGL

Continued flight not possible OR hover/low TAS:
1. COL Reduce …………. Compromise between turn and descent rates
2. PWR Levers …………. OFF (5 - 10ft AGL)
3. COL …………. Cushion A/R

Loss of Tail Rotor Thrust in Flight - W11

Question 5

Loss of yaw control - IN FLIGHT
Possible TAIL ROTOR HYD

Answer 5

1. COL …………. Adjust to minimise Yaw
2. Cyclic …………. Oppose yaw
   If pedals are jammed
3. Break into BUCS:
   If yaw control restored:
4. Proceed with BUCS ON (C-5R)
   If yaw control not restored:
5. Continue with this card

Tail Rotor Fixed Pitch in flight - W12-R

Question 6

Loss of yaw control during HOVER/LOW TAS
Possible TAIL ROTOR HYD

Answer 6

1. COL …………. Minimise Yaw
2. Cyclic ………….Minimise drift
   If pedals are jammed
3. Break into BUCS:
   If yaw control restored:
4. Proceed with BUCS ON (C-5R)
   If yaw control not restored:
5. Continue with this card

Tail Rotor Fixed Pitch - W-12