A321 NEO Differences

Question 1

Max weights?

Answer 1

MTOW 97400
MLW 97000
MLW7 79200
MZFW 75600

Question 2

When to use low and high pack flow?

Answer 2

LOW: if number of occupants below 168

HIGH: for abnormally hot and humid conditions

Question 3

When and why does PACKS indication appear on EWD above N1 indicators?

Answer 3

Indicates engines bleeds are supplying packs.

-on ground, at least 1 engine running
-during to/ga until thrust in CL detent
-in flight, when thrust is MCT

*Engine anti ice/wing anti ice indications also appear if selected on under same conditions

Question 4

When and how does ACT begin auto transferring to centre tank?

Answer 4

30min after gear up.

Via pressurisation of tank, by closing ACT vent and opening air shutoff valve.

Question 5

When does ACT transfer stop and restart?

Answer 5

Stops if centre tank exceeds 5750kg, by closing ACT transfer valve.

Reopens when below 5000kg.

Question 6

Cargo agent 2 timing?

Answer 6

195 minutes for A321 NEO (vs 150 min for A321 CEO)

Question 7

Flap extension speeds for A321 NEO?

Answer 7

1: 243
1+F: 225
2: 215
3: 195
Full: 186

Question 8

When is aileron droop active on A321 NEO?

Answer 8

When flaps are extended- ailerons droop 10 deg.

Question 9

Is continuous ignition automatically selected with engine anti ice ON?

Answer 9

No (for A321 NEO)

Question 10

How do oxygen bottles feed on A321 NEO?

Answer 10

One to captain/3rd observer, other to FO/4th observer.

Also additional overpressure indicator on nose.

Question 11

How do oxygen bottles feed on A321 NEO?

Answer 11

One to captain/3rd observer, other to FO/4th observer.

Also additional overpressure indicator on nose.

Question 12

How do oxygen bottles feed on A321 NEO?

Answer 12

One to captain/3rd observed, other to FO/4th observer.

Also additional overpressure indicator on nose.

Question 13

When does amber half box appear around each oxy ind on A321 NEO?

Answer 13

800psi

Question 14

Seats, doors and overwing exits?

Answer 14

Seats 232

2 front/2 rear doors (dual lane slide rafts each side)

Emergency door 3 located after of wing (single lane slide each side)

2 top hinged overwing emergency exits (dual lane off wing slide each side)

Question 15

Engine model and thrust output?

Answer 15

CFM International LEAP-1A

35000 lb thrust

Thrust measurement in % N1

460mm ground clearance

Bypass ratio 11:1

Question 16

When is CORE-ICE PROT displayed on ENG SD page?

Answer 16

Variable bleed valves (VBVs) provide hot air to engine core to prevent ice crystal formation.

Question 17

When is ICE PROT-BOOST displayed on ENG SD?

Answer 17

7th stage HP compressor supplies hot air to a booster anti ice (BAI) valve to prevent ice crystal formation and also improved start performance in transient conditions.

Question 18

TOGA and MCT temp limit?

Answer 18

TOGA 1060 C

MCT 1025 C

Question 19

Start temp limits?

Answer 19

Ground 750 C

Flight 875 C

Question 20

Crosswind engine start?

Answer 20

45kt

Question 21

Maximum Certified Crosswind

Answer 21

35 takeoff

38 land

Question 22

Minimum oil quantity?

Answer 22

10.6Qt or

8.9Qt + 0.45Qt/hr

Question 23

Min oil pressure?

Answer 23

17.4 psi

Question 24

Max tailwind?

Answer 24

10 takeoff
15 landing

Question 25

Fixed reserve (1500ft)?

Answer 25

1100kg

Question 26

Wx & Traffic (FL200)

Answer 26

2,490-kg/hr (81.6TN ISA+10C)

Question 27

Tail strike awareness?

Answer 27

11.5deg /9.9deg LDG compressed

Question 28

Performance category?

Answer 28

D (400 ft agl / 5.28NM)

Question 29

Flare mode THS freeze?

Answer 29

100ft

Question 30

Rotation mode?

Answer 30

Active from 70kt to 10sec after liftoff and pitch attitude >8deg

Pitch rate demand control law providing tail strike protection.

Question 31

Approx idle parameters?

Answer 31

N1 20
N2 70
EGT 500
FF 300

Question 32

Crosswind above 20kt/tailwind takeoff?

Answer 32

Sidestick full forward

Increase thrust rapidly to 70 % N1 then, above 15 kt GS, progressively to reach takeoff thrust by 40 kt GS.