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A320 Limitations > A320 Limitations > Flashcards

A320 Limitations Flashcards

1
Q

Maximum number of passenger seats

A
  • A320: 180

* A321: 220

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2
Q

Load Acceleration limits

A
  • Clean configuration: -1 to +2.5 g

* Slats/Flaps extended: 0 to +2 g

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3
Q

Reference for computation of CG on A320/A321

A 
• CG is given in percentage of the reference chord length aft of the leading edge
• Reference chord length is 4.193 m 
• Reference position is: 
16.31 m aft of aircraft nose A320
20.58m aft of aircraft nose A321
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4
Q

Minimum weight to operate the aircraft

A
  • A320: 37 230 kg

* A321: 47 500 kg

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5
Q

Maximum weight for B-HSO

A

Taxi………………………75 900 kg
Take-off………………..75 500 kg
Landing………………..64 500 kg
Zero fuel weight…….61 000 kg

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6
Q

Maximum weight for B-HTD

A

Taxi………………………….89 400 kg
Take-off……………………89 000 kg
Landing ……………………75 500 kg
Zero fuel weight…………71 500 kg

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7
Q

Maximum Runway slope and altitude

A
  • Mean Slope: +/- 2%

* Runway Altitude: 9200 ft

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8
Q

Aircraft Ceiling

A

Honeywell FMS: 39 800 ft

Legacy FM: 39100 ft

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9
Q

Maximum Crosswind for Take-off

A

38 kt, gust included

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10
Q

Maximum Crosswind for Landing

A

38 kt, gust included

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11
Q

Maximum Tailwind for Take off and Manual Landing

A
  • 15 kt

* Flaps Full recommended for landing with Tailwind > 10 kts

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12
Q

Maximum Wind for passenger door operation

A

65 kt

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13
Q

Maximum Wind for cargo door operation

A
  • 40 kt increased to 50 kt if aircraft nose is oriented into the wind or cargo door is on leeward side
  • Cargo door must be closed before wind exceeds 65 kt
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14
Q

Takeoff is not recommended on the following runway conditions

A
  • Wet ice
  • Snow on top of Ice
  • Water on top of Compacted Snow
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15
Q

VMO/MMO

A

350 KT / M 0.82

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16
Q

Maximum Design Manoeuvering Speed VA A320
(only relevant in Alternate or Direct Law)

A
  • 250 kt below 10 000ft
  • Increase from 250 kt at 10 000ft to 295 kt at 30 000ft
  • M 0.78 above 30 000ft

In Alternate/Direct law, manoeuvres involving angle of attack near stall should be confined to speeds below VA

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17
Q

Maximum Design Manoeuvering Speed VA A321

only relevant in Alternate or Direct Law

A
  • 260 kt below 10 000ft
  • Increase from 260 kt at 10 000ft to 295 kt at 30 000ft
  • M 0.78 above 30 000ft

In Alternate/Direct law, manoeuvres involving angle of attack near stall should be confined to speeds below VA

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18
Q

Maximum Flaps/Slats Speeds A320

A 
CONF 1:         230 kt
CONF 1+F:     215 kt
CONF 2:        200 kt
CONF 3:        185 kt
CONF Full:    177 kt
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19
Q

Maximum Flaps/Slats Speeds A321

A 
CONF 1:         230 kt
CONF 1+F:     215 kt / 225kt HTJ and HTK
CONF 2:        215 kt
CONF 3:        195 kt
CONF Full:    190 kt
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20
Q

Landing Gear, Speed Limitation

A
  • VLO Extension: 250 kt / M 0.60
  • VLO Retraction: 220 kt / M 0.54
  • VLE: 280 kt/ M 0.67
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21
Q

Gear Altitude Limitation A320 / A321

A

No limitation

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22
Q

Maximum Tire Speed

A

Ground Speed 195 kt

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23
Q

Maximum Speed for Winshield wiper

A

230 kt

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24
Q

Maximum Speed with Cockpit Window open

A

200 kt

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25
Q

Maximum Taxi Speed for A320/321

A

Weight above 76 000 kg:
Max Taxi Speed 20 kt during a turn
(A320 Max Ramp 75 900 kg)

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26
Q

Maximum pressure for the Ram Air Inlet to open

A

1 PSI

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27
Q

Pressure limitation of a Ground Cart for External Air start

A

1.2 kg/s

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28
Q

Maximum Negative/Positive Differential pressure

A

-1 PSI / 9 PSI

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29
Q

Safety relief valve setting

A

-1 PSI/ 8.6 PSI

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30
Q

Maximum Normal Cabin altitude

A

8000 ft

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31
Q

Maximum Cabin altitude Warning

A

9550 ft (+/-350ft)

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32
Q

Maximum OAT for unlimited use of avionics ventilation system in normal configuration

A

49 °C

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33
Q

Minimum height for autopilot on takeoff

A
  • 100 ft AGL

* FMGS logic prevents autopilot engagement for the first 5s after liftoff

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34
Q

Minimum height for autopilot on approach

A
  • Straight-in non precision: MDA
  • Straight-in LNAV/VNAV: DA
  • Circling: MDA - 100 ft
  • ILS CAT2/3 not displayed: 160 ft AGL
  • All other phases: 500 ft AGL
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35
Q

Minimum height for autopilot on Go-around

A

100 ft AGL

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36
Q

FMGS RNP accuracy with GPS Primary

A

• NAV mode, AP ON :
En route 1 NM / Terminal area 0.5 NM / Approach 0.3 NM

• NAV mode, AP OFF and FD ON :
En route 1 NM / Terminal area 0.51 NM / Approach 0.3 NM

• AP OFF and FD OFF:
En route 1,1 NM / Terminal area 0.51 NM / Approach Not authorized

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37
Q

Requirements before using NAV mode after take-off

A

GPS PRIMARY
or
FMGS take-off updating checked

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38
Q

FMGS RNP accuracy with GPS PRIMARY LOST

A

RNAV operations allowed provided

  • RNP value checked/entered in MCDU
  • HIGH ACCURACY displayed
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39
Q

Take-off from airports where the difference between the local coordinate system and WGS 84 is not negligible

A
  • Airborne, incorrect NAV guidance may occur

* GPS must be deselected until a safe altitude is reached

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40
Q

Requirement on Navaid availability for NPA(VOR/NDB) flown NAV/FPA or Final APP mode

A

• NPA may be performed in NAV or FINAL APP mode provided AP or FD is engaged and

  • GPS PRIMARY:
    Navaid/Aircraft radio equipment can be inoperative (Needs approval from Authority)
  • GPS PRIMARY LOST:
    Accuracy is High (RNP value checked/entered)
    Navaid serviceable tuned and monitored during the approach
41
Q

Minimum altitude for FINAL APP mode guidance with GPS PRIMARY

A

MDH/DH (barometric) 250 ft

42
Q

Requirements to use NAV mode in the terminal area

A

NAV mode authorised provided that:
‐ GPS PRIMARY, or
‐ GPS PRIMARY LOST with HIGH accuracy displayed (RNP checked/entered on MCDU), or
‐ FMS navigation crosschecked with NAVAID raw data

43
Q

Autopilot limitations for single engine NPA on A321 and old A320 up to B-HSN

A

•AP not permited on laterally managed modes (FINAL APP, NAV V/S, NAV/FPA modes)
• Approach to be flown:
- Managed with AP OFF and FD ON, or
- Selected (TRK/FPA) with AP ON

44
Q

Minimum Decision Height ILS CAT 2

A

100 ft

45
Q

Minimum Decision Height ILS CAT 3A

A

50 ft

46
Q

Alert Height ILS CAT 3B

A

100 ft

47
Q

Minimum Decision Height ILS CAT 3B with DH

A

25ft for A320

22ft for A321

48
Q

Minimum RVR ILS CAT 3B

A

75 m

49
Q

Minimum height to disengage the Autopilot for a CAT 2 approach without autoland

A

80 ft AGL

50
Q

AP/ATHR Requirements for CAT2 and CAT3 approach

A

• CAT 2:

  • 1 AP engaged in APPR mode
  • CAT 2 or higher capability displayed on FMA

• CAT 3 FAIL PASSIVE:

  • A/THR in selected or managed speed
  • 1 AP engaged in APPR mode
  • CAT 3 SINGLE or higher capability displayed on FMA

• CAT 3 FAIL OPERATIONAL:

  • A/THR in selected or managed speed
  • 2 AP engaged in APPR mode
  • CAT 3 DUAL displayed on FMA
51
Q

Autoland and Autorollout Limitations with 1 Engine Out

A

• CAT I, CAT II and CAT IIIA autoland are approved:
A320/ A321 In Conf 3 and FULL

• Autorollout

  • A320 no restrictions for use of reverser on remaining engine.
  • A321 Rev Idle only, Xwind limited at 15kts for Autorollout.
52
Q

A320

Wind limit for CAT 2/3 or Autoland

A

30/20/10 kts

53
Q

A321

Wind limit for CAT 2/3 and Autoland

A

30/20/10 kts

54
Q

A321

Wind limit for CAT2 approach and manual landing

A

40/25/10 kts

55
Q

Autoland limitations both engines operating

A

• Approved in CONF 3 and FULL

• Demonstrated on:
- CAT II/III ILS and Cat I GLS beam
- Glide Slope angle -2.5° / -3.15°
- Airport elevation at or below 2 500 ft
- Dry and wet runway
Snow-covered or Icy runway, auto rollout not demonstrated

• Autoland not allowed below -1000ft pressure altitude

56
Q

A321, Autorollout limitation with 1 engine inoperative or 1 thrust reverser inoperative

A
  • Reverse IDLE only

* No reverse if crosswind is more than 15 kt

57
Q

CAT 2/3 practice on CAT 1 weather conditions, requirements and procedure

A
  • Autoland approval on port page
  • Visibility > 5km and ceiling > 1000ft
  • CAT 2 capability or more displayed on FMA
  • CAT II/III procedures used
  • CAT II/III minimas entered
  • Visual references obtained above CAT I minimums
58
Q

Max Load per TR

A

200 A

59
Q

Max Load per Generator

A

100% (90KVA)

60
Q

Max altitude with Flaps/Slats extended

A

20 000ft

61
Q

Max Fuel imbalance Outer Tanks

A

1 Full / 1 Empty, provided:

  • Fuel on 1 side (outer + inner) is equal to other side, or
  • On lighter outer side, inner tank is higher than opposite inner up to a max of 3000 kg
62
Q

JET A1 Maximum Fuel Temperature

A

• 54°C
• ECAM advisory
T° > 45 °C for the inner cell
T° > 55 °C for the outer cell

63
Q

JET A1 Minimum Fuel Temperature

A

• - 43°C
• ECAM advisory
T° less than -40°C

64
Q

Minimum Take-off Fuel Quantity

A
  • 1 500 kg

* L(R) WING TK LO LVL not displayed

65
Q

A320, Restrictions on Fuel when using JP4 or JET B

At high altitude and fuel temperature, pressure delivered by center tank pumps becomes lower than the pressure delivered by the wing tank pumps.

A

Center Tank Fuel unusable if Wing fuel temperature exceeds following values before engine start and Cruise is above corresponding FL before Center tank fuel is used:
‐ +30 °C / FL 350
‐ +40 °C / FL 300
‐ +49 °C / FL 250

66
Q

Normal hydraulic operating pressure

A

3 000 ± 200 PSI

67
Q

Maximum brake temperature for takeoff with brakes fan off

A

300 °C

68
Q

Ways to disengage autobrake system

A
  • Arm mode pushbutton

* Brake pedals

69
Q

Restrictions for taxi with 1 tire deflated per Gear (3 tires max)

A
  • Max speed in turn 7 kts

- Max Nose Wheel steering angle 30°

70
Q

Restrictions for taxi with 2 tires deflated on same main Gear

A
  • Max speed in turn 3 kts

- Max Nose Wheel steering angle 30°

71
Q

Nose Wheel Steering angle limit for towing and taxi

A

Towing and Pushback: 95°

Taxi: 75°

72
Q

Restrictions for taxi with damaged tire

A

Taxi with damaged Tire is forbidden Gear must be inspected before taxi if tire damage is suspected

73
Q

At what latitude is NAV mode prohibited

A
  • North of 73 ° North

* South of 60 ° South

74
Q

The EGPWS enhanced function should be inhibited when the aircraft position is less than 15 nm from the airfield

A
  • Operations to/from runways not in the EGPWS database

* Approach procedures that have previously produced false terrain alerts

75
Q

Restriction on use of ISIS

A

When both PFDs are lost, the ISIS bugs function must not be used

76
Q

Where can you find the minimum flight crew oxygen pressure

A

FCOM LIM-35

77
Q

Minimum Oxygen pressure, what does it cover

A

• Preflight checks
• Oxygen use 1 pilot only in cockpit
• Unusable quantity
• System leakage
• Loss of pressurisation (regulator NORMAL):
- Emergency descent, 13’ for all crewmembers
- Cruise at FL 100, 107’ for 2 pilots
• Smoke in cockpit (regulator 100 %):
- 15’ for all crewmembers at 8 000 ft cabin altitude

78
Q

APU LOW OIL LEVEL ECAM advisory displayed, can you use the APU

A
  • APU may be started and operated

* Maintenance action required within next 10 h of APU operation

79
Q

APU starter limit

A

3 cycles max followed by 1h cooldown

80
Q

APU, Maximum N

A
  • 107%

* Automatic shutdown at 107%

81
Q

APU maximum EGT

A

• Start:

  • 900 °C Below 25 000 ft
  • 982 °C Above 25 000 ft

• APU running:

  • 682 °C, shutdown with 5 s confirmation time
  • 700 °C to 742 °C, shutdown immediately
82
Q

APU Generator load

A

100 % (90 KVA)

83
Q

APU bleed, maximum altitude to operate 2 Packs

A

15 000 ft

84
Q

APU bleed, maximum altitude to operate 1 Pack

A

20 000 ft

85
Q

APU bleed, maximum altitude to start 1 Engine

A

20 000 ft

86
Q

Engine EGT limits on A320

A

• 610°C for MCT

• 635°C for
- Start
- Take off and Go around
5’ for 2 engines, 10’ for 1 engine

87
Q

Engine EGT limits on A321

A
  • 610°C for MCT
  • 635°C for Start

• 650°C for Take off and Go around
5’ for 2 engines, 10’ for 1 engine

88
Q

Engine minimum oil temperature

A
  • -40 °C for Start
  • -10 °C to exceed idle
  • 50 °C for Take-off
89
Q

Engine maximum oil temperature

A
  • 155 °C: Continuous

* 165 °C: Transient for 15’ max

90
Q

Engines minimum oil pressure

A

60 PSI

91
Q

Engines minimum oil quantity

A

11qt + 0.3qt/h

92
Q

N1 max

A

100%

93
Q

N2 max

A

100%

94
Q

Engine starter Limitations

A

3 Starts or 1 Crank cycle followed by 30’ cooling

• 1 Start cycle is:

  • 1 start attempt for automatic start
  • 2’ max of starter operation for manual start
  • Ground start: 15s pause required between cycles
  • 1 Crank cycle is limited to 5’ of starter operation
  • No running engagement of starter with
  • N2 above 10 % on ground
  • N2 above 18 % in flight
95
Q

Restrictions on the use of Reverse Thrust

A

• Reverse thrust forbidden

  • In flight
  • On ground to back the aircraft

• Speeds

  • Max reverse not to be used below 70 kt
  • Idle reverse permitted down to aircraft stop

• On snow covered runway reversers must be stowed before speed reaches 25 kt

96
Q

Restriction on use of Reduced Thrust Take-off

A

• Aircraft must comply with performance requirements using:

  • Planned takeoff weight
  • Thrust available at assumed temperature

• Maximum thrust reduction of 25 % from full rated takeoff thrust:
Max FLEX temperature is (A320: ISA+55/A321: ISA+42)

• Assumed temperature not lower than the highest of:

  • Flat rating temperature (A320: ISA+30/A321: ISA+15)
  • Actual OAT

• Takeoff at reduced thrust is not permitted on:

  • Contaminated runway
  • Inoperative item affecting performance unless aircraft can meet performance with engines operating at the thrust available for flex temperature
97
Q

Maximum Cross Wind to start the Engines

A

35 kt

98
Q

Can you load a mix of Fuel types

A

Yes

Determine minimum fuel temperature from FCOM LIM-28

99
Q

APU, maximum altitude to start the APU on battery (EMER ELEC CONFIG)

A

25 000ft

A320 Limitations (7 decks)

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