A320 Systems

Question 1

Normal Law BYPALS

Answer 1

Bank: 67°
Yaw: Damping and turn coordination
Pitch: +30° to -15° (+25° flaps full)
AOA: VLS, alpha prot, alpha max, alpha floor
Load: -1 to 2.5 clean, 0 to 2 with flaps
Speed: VMO +6, VMO +30

Question 2

Alternate Law BYPALS

Answer 2

Bank: None
Yaw: Damping only
Pitch: None
AOA: VLS, VSW
Load: -1 to 2.5 clean, 0 to 2 with flaps
Speed: Stability (gentile nose up or down, overrideable)

Question 3

Direct Law BYPALS

Answer 3

Bank: None
Yaw: Mechanical rudder
Pitch: None
AOA: VLS, VSW
Load: None
Speed: Aural overspeed

Question 4

Alpha Prot

Answer 4

Bank limited to 45°
A/P disconnects
Speedbrake retracts
AOA limited
Pitch up trim inhibited

Question 5

High Speed Protection

Answer 5

Bank limited to 40°
A/P disconnects
Seeks wings level
Nose up movement

Question 6

ELAC Duties

Answer 6

Pitch
Abnormal attitudes
Roll
Autopilot acquisition
Activates protections
Aileron droop

Question 7

SEC Duties

Answer 7

Pitch
Abnormal attitudes
Roll
Spoilers
Speedbrakes

Question 8

FAC Duties

Answer 8

Beta target
Speed warning
Windshear (reactive)
Flight envelope protections
Rudder trim
Alternate law yaw
Travel limiting
Turn coordination
Yaw damping

Question 9

PTU Inhibited

Answer 9

One engine running and N/W steering pin in
One engine running and parking brake set
Cargo door operation +40 seconds

Question 10

Aircraft Dimensions

Answer 10

Wingspan: 117ft 5in
A320 Length: 123ft 3in
A321 Length: 146ft
Height: 38ft 7in