Primary Flight Display - Rev 04

Question 1

What aircraft protections are provided in Normal, Alternate, Direct, Manual Backup, and Abnormal Attitude Laws?

Answer 1

See A320 Laws & Protections (BYPALS) in Section B of A319/320 Study Guide Rev 04 available at pilots.alaskaair.com > Training > Airbus Training > Training Documents icon

Question 2

What does each column mean on the PFD in the FMA portion?

(FCOM-DSC-22-30-100)

Answer 2

A/THR | VERTICAL | LATERAL | APPR CAPABILITY, DH/MDA | AP, FD, A/THR ENGAGEMENT STATUS

Question 3

How is the crew made aware of mode changes on the FMA?

(FCOM-DSC-22-30-100)

Answer 3

A white box is temporarily displayed around the new indication (10-15 seconds)

Question 4

How are armed/engaged modes displayed on the FMA?

(FCOM-DSC-22-30-100)

Answer 4

Blue - armed

Magenta - armed because of a constraint

Green - engaged

Question 5

When is the side stick position indication icon (white cross) displayed?

(FCOM-DSC-20-30)

Answer 5

Displayed when the first engine is started

Disappears at liftoff

Question 6

What would the large red arrowheads indicate?

(FCOM-DSC-31-40)

Answer 6

Pitch attitude of >30°

Question 7

After you input the destination and ILS information into the Multipurpose Control and Display Unit (MCDU), what do you check for?

(FCOM-DSC-31-40)

Answer 7

a. After the LS pushbutton is pressed - green light

b. ILS frequency and course on PFD

c. ILS identifier once identified

d. LOC and GS scales displayed on PFD

Question 8

What is the meaning of USE MANUAL PITCH TRIM?

(FCOM-DSC-27-20-20)

Answer 8

You are in Direct Law

Question 9

What is the meaning of MAN PITCH TRIM ONLY?

(FCOM-DSC-27-20-20)

Answer 9

You are in Mechanical Backup

Question 10

What are the pitch and roll angle limits indicated by the green = signs?

(FCOM-DSC-31-40, FCOM-DSC-27-20-10-30)

Answer 10

Pitch: +30° up/-15° down

Roll: +/- 67°

Question 11

How can you determine you are in Alternate Law?

(FCOM-DSC-27-20-20)

Answer 11

a. Amber X’s replace the green = marks at the pitch and bank limits

b. Only VLS and VSW is displayed on the airspeed scale

Question 12

When would the sideslip index change from yellow to blue?

(FCOM-DSC-31-40)

Answer 12

In case of an engine failure during takeoff/go-around, it is now a blue beta target

Question 13

What does the yellow speed trend line on the airspeed display indicate?

(FCOM-DSC-31-40)

Answer 13

The speed the aircraft will reach in 10 seconds if acceleration/deceleration remains constant

Question 14

What is the difference between the magenta and blue target airspeeds?

(FCOM-DSC-31-40)

Answer 14

Magenta – Managed speed computed by the FMGC

Blue – Selected speed on the FCU

Question 15

What is Vls?

(FCOM-DSC-31-40, FCOM-DSC-22-10-50-20, FCOM-PRO-SUP-10)

Answer 15

a. Represents lowest selectable speed providing an appropriate margin to the stall speed

b. Corresponds to 1.13 VS during takeoff

c. Corresponds to 1.23 VS after retraction of one step of flaps

d. Corresponds to 1.28 VS in clean configuration

e. Above 20,000ft, VLS is corrected for Mach effect to maintain a buffet margin of 0.2g

f. In approach mode is equivalent to Vref

g. Increases with speedbrake extension

Question 16

What speed does Vmax represent and how is it displayed?

(FCOM-DSC-31-40, FCOM-PRO-SUP-10)

Answer 16

It is the lowest of Vmo/Mmo, Vle, or Vfe

Defined by the bottom of a red and black strip along the speed scale

Question 17

What is Green Dot speed?

(FCOM-DSC-31-40, FCOM-PRO-SUP-10)

Answer 17

a. Engine out operating speed in clean configuration

b. Appears when the aircraft is in the clean configuration

c. Corresponds to the best lift-to-drag ratio

Question 18

What is Ground Speed Mini?

(FCOM-DSC-22-30-90)

Answer 18

a. Based on a calculated groundspeed at the runway

b. Protects against actual groundspeed dropping below this calculated groundspeed

Question 19

What does it mean when you see the magenta target airspeed triangle above VAPP on approach?

(FCOM-DSC-22-30-90)

Answer 19

Ground Speed Mini has increased speed due to a higher headwind component at your present location than what was calculated at the runway

Question 20

Is Ground Speed Mini function available in selected speed?

(FCOM-DSC-22-30-90)

Answer 20

No – Managed speed only

Question 21

What would be indicated if the altitude window changed from yellow to amber?

(FCOM-DSC-31-40)

Answer 21

The aircraft has deviated from the FCU selected altitude or flight level by 250 feet

Question 22

When is altitude alerting automatically inhibited in flight?

(FCOM-DSC-31-40)

Answer 22

a. When slats are extended with the landing gear selected down

b. On approach after glide slope capture

c. When the landing gear is locked down

Question 23

What does it mean when the altitude digits change from green to amber?

(FCOM-DSC-31-40)

Answer 23

The aircraft has descended below the MDA/DH entered into the FMGC

Question 24

When is Radio Height displayed on the PFD?

(FCOM-DSC-31-40)

Answer 24

Below 2,500 feet AGL

Question 25

Information from ILS receiver 1 is displayed where?

(FCOM-DSC-34-30-20)

Answer 25

Captain’s PFD

F/O’s ND

Question 26

What would a flashing amber ILS indicate on the bottom of the PFD?

(FCOM-DSC-31-40)

Answer 26

Flashes amber when APPR mode is armed and the LS display is not selected