Primary Flight Display

Question 1

PRIMARY FLIGHT DISPLAY

Q:​ What does​ each column​ mean on the​ PFD? ​

Answer 1

Ref: (FOM VOL. III-DSC-22-30-100) ​

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

Question 2

PRIMARY FLIGHT DISPLAY

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

Answer 2

Ref: (FOM VOL. III-DSC-22-30-100) ​

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

Question 3

PRIMARY FLIGHT DISPLAY

Q:​ How are​ armed modes​ displayed on​ the​ FMA?​ ​

Answer 3

Ref: (FOM VOL. III-DSC-22-30-100) ​

• Blue​ –​ armed ​
• Magenta​ –​ armed because of​ a​ constraint ​
• Green –​ engaged​

Question 4

PRIMARY FLIGHT DISPLAY

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

Answer 4

Ref: (FOM VOL. III-DSC-31-40) ​

• Displayed​ when the​ first engine is​ started​ ​
• Disappears at​ liftoff

Question 5

PRIMARY FLIGHT DISPLAY

Q:​ What would the​ large​ red arrowheads​ indicate?​ ​

Answer 5

Ref: (FOM VOL. III-DSC-31-40) ​

Pitch attitude of​ >30˚

Question 6

PRIMARY FLIGHT DISPLAY

Q:​ What is​ the​ meaning of​ USE​ MANUAL PITCH TRIM?​ ​

Answer 6

Ref: (FOM VOL. III-DSC-27-20-20)​ ​

You are​ in Direct​ Law

Question 7

PRIMARY FLIGHT DISPLAY

Q:​ What is​ the​ meaning of​ MAN​ PITCH TRIM​ ONLY?​ ​

Answer 7

Ref: (FOM VOL. III-DSC-27-20-20)​ ​

You are​ in Mechanical Backup​

Question 8

PRIMARY FLIGHT DISPLAY

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

Answer 8

Ref: (FOM VOL. III-DSC-31-40,​ FOM​ VOL.​ III-DSC-27-20-10-30) ​

• Pitch: +30˚ up/-15˚​ down​ ​
• Roll: +/-​ 67˚​

Question 9

PRIMARY FLIGHT DISPLAY

Q:​ How can you determine​ you are​ in​ Alternate​ Law?​ ​

Answer 9

Ref: (FOM VOL. III-DSC-27-20-20)

• Amber​ X’s​ replace​ the​ green = marks at the pitch and​ bank​ limits​ ​
• Only​ VLS​ and VSW​ is displayed on​ the​ airspeed​ scale

Question 10

PRIMARY FLIGHT DISPLAY

Q:​ When would the​ sideslip​ index​ change​ from yellow to blue?​ ​

Answer 10

Ref: (FOM VOL. III-DSC-31-40) ​

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

Question 11

PRIMARY FLIGHT DISPLAY

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

Answer 11

Ref: (FOM VOL. III-DSC-31-40) ​

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

Question 12

PRIMARY FLIGHT DISPLAY

Q:​ What is​ the​ difference​ between the​ magenta and blue​ target airspeeds?​ ​

Answer 12

Ref: (FOM VOL.​ III-DSC-31-40) ​

• Magenta​ –​ Managed speed​ computed by​ the​ FMGC​ ​
• Blue​ –​ Selected​ speed​ on​ the​ FCU​

Question 13

PRIMARY FLIGHT DISPLAY

Q:​ What is​ V_LS and​ how is it displayed?​ ​

Answer 13

Ref: (FOM VOL. III-DSC-31-40) ​

• Represents​ lowest selectable​ speed providing an​ appropriate​ margin to​ the​ stall speed​ ​
• Defined by​ the top of​ the amber strip along the​ airspeed​ scale ​
• In approach​ mode​ is​ equivalent to​ Vref

Question 14

PRIMARY FLIGHT DISPLAY

Q:​ What speed does V_MAX​ represent and​ how is​ it displayed?​ ​

Answer 14

Ref: (FOM VOL. III-DSC-31-40) ​

• It is the lowest of​ V_MO/M_MO,​ V_LE,​ or V_FE
• Defined by​ the bottom of​ a red​ and​ black​ strip​ along the​ speed​ scale.

Question 15

Q:​ What is​ Green​ Dot speed?​ ​

Answer 15

Ref: (FOM VOL. III-DSC-31-40) ​

• Engine​ out operating speed​ in clean​ configuration​ ​
• Appears when​ the aircraft is in the​ clean configuration​ ​
• Corresponds​ to​ the​ best​ lift-to-drag ratio

Question 16

PRIMARY FLIGHT DISPLAY

Q:​ What is​ Ground Speed​ Mini? ​

Answer 16

Ref: (FOM VOL. III-DSC-22-30-90)​ ​

• Based​ on​ a calculated groundspeed​ at the​ runway​ ​
• Protects against actual​ groundspeed dropping below this calculated​ groundspeed

Question 17

PRIMARY FLIGHT DISPLAY

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

Answer 17

Ref: (FOM VOL. III-DSC-22-30-90)

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

Question 18

PRIMARY FLIGHT DISPLAY

Q:​ Is​ this​ protection available​ in selected speed?​ ​

Answer 18

Ref: (FOM VOL. III-DSC-22-30-90)​ ​

No –​ Managed​ speed​ only

Question 19

PRIMARY FLIGHT DISPLAY

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

Answer 19

Ref: (FOM VOL. III-DSC-31-40) ​

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

Question 20

PRIMARY FLIGHT DISPLAY

Q:​ When is altitude alerting​ automatically inhibited in​ flight?​ ​

Answer 20

Ref: (FOM VOL. III-DSC-31-40) ​

• When slats are​ extended with the landing​ gear selected​ down​ ​
• On approach after glide​ slope​ capture​ ​
• When the​ landing gear is​ locked​ down

Question 21

PRIMARY FLIGHT DISPLAY

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

Answer 21

Ref: (FOM VOL. III-DSC-31-40) ​

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

Question 22

PRIMARY FLIGHT DISPLAY

Q:​ When is Radio​ Height​ displayed​ on​ the​ PFD?​ ​

Answer 22

Ref: (FOM VOL.​ III-DSC-31-40) ​

Below 2,500​ feet AGL

Question 23

PRIMARY FLIGHT DISPLAY

Q:​ Information from​ ILS​ receiver 1 is displayed​ where?​ ​

Answer 23

Ref: (FOM VOL. III-DSC-34-30-20)​ ​

• Captain’s​ PFD​ ​
• F/O’s​ ND​

Question 24

PRIMARY FLIGHT DISPLAY

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

Answer 24

Ref: (FOM VOL. III-DSC-31-40) ​

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