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A320 Knowledge > Limitations > Flashcards

Limitations Flashcards

1
Q

Flight Manoeuvring Load Acceleration Limits, Clean?

A

+2.5g to -1g

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2
Q

Flight Manoeuvring Load Acceleration Limits, Other than Clean?

A

+2g to -0g

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3
Q

Max Pressure Altitude?

A

39 800ft

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4
Q

Max Take-off and Landing Pressure Altitude?

A

9200 ft (max ~38 deg)

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5
Q

Max temperature Take-off and Landing if elevation 3000ft?

A

~47 deg

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6
Q

Nominal runway width?

A

45m

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7
Q

Minimum runway width?

A

30m

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8
Q

Maximum demonstrated crosswind including gusts

Take-off and Landing

A

38 kts

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9
Q

Maximum Tailwind for take-off and landing?

A

10 kts

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10
Q

Maximum wind for passenger door operation?

A

65 kts

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11
Q

Maximum wind for FWD and AFT cargo door operation?

A

40 kts

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12
Q

Maximum wind for FWD and AFT cargo door operation if aircraft nose is into wind or if FWD and AFT cargo doors are on the leeward side?

A

50 kts

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13
Q

By what windspeed must the FWD and AFT cargo doors be closed by?

A

Before windspeed exceeds 65 kt

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14
Q

Maximum crosswind on damp, wet or contaminated up to 3mm
RWYCC 5
Braking GOOD

A

38 kts

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15
Q

Max crosswind, Braking GOOD to MEDIUM

RWYCC 4

A

29 kts

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16
Q

Max crosswind, Braking MEDIUM
Slippery Wet
RWYCC 3

A

25 kts

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17
Q

Max crosswind, Braking MEDIUM to POOR
Standing Water >3mm - 13mm
RWYCC 2

A

20 kts

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18
Q

Max crosswind, Braking POOR

RWYCC 1

A

15 kts

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19
Q

Max Speed Cockpit Window Open?

A

200 kts

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20
Q

Max Operating Speed?

A

VMO 350 kts (til ~FL245)

MMO M 0.82 (above FL245)

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21
Q

Max Speed Flap 1?

A

230 kts

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22
Q

Max Speed 1+F?

A

215 kts

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23
Q

Max Speed Flap 2

A

200 kts

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24
Q

Max Speed Flap 3

A

185 kts

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25
Q

Max Speed Flap FULL

A

177 kts

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26
Q

Max Speed Landing Gear extended (VLE)

A

280 kts / M 0.67

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27
Q

Max Speed Landing Gear may be Extended

(VLO extension)

A

250 kts / M 0.60

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28
Q

Max Speed Landing Gear may be retracted

VLO retraction

A

220 kts / M 0.54

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29
Q

Max Tyre Speed (groundspeed)

A

195 kts

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30
Q

Minimum control speed for landing

VMCL

A

109 kts

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31
Q

Minimum control Speed at Sea level

a) Air (VMCA)
b) Ground (VMCG)

A

a) VMCA
112 kts

b) VMCG
CONF 1+F = 112 kts
CONF 2 = 110 kts
CONF 3 = 109 kts

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32
Q

By how many knots is VMCG increased for:

a) 35m runway
b) 30m runway

A

a) 35m runway - add 1.5 kts

b) 30m runway - add 2.5 kts

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33
Q

Max Taxi speed during a turn when take-off weight >76T

A

20 kts

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34
Q

Maximum wipers operating speed

wipers sweeping

A

230 kts

TIP: Gear DOWN -Wipers ON
Gear UP -Wipers OFF

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35
Q

How many minutes is recommended to NOT exceed with passengers on board without air conditioning supply

A

20 mins

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36
Q

Is bleed air allowed to be used from APU BLEED and HP Air Start Unit at the same time

A

NO

to prevent any adverse affect on the Bleed Air system

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37
Q

What is the time limit for aircraft electric power supply to be used on the ground in normal avionics ventilation configuration:

a) OAT <= 49 deg C
b) 49 deg C < OAT <= 55 deg C

A

a) No limitation

b) 2 hours

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38
Q

Maximum Positive Differential pressure

A

9.0 psi

39
Q

Maximum negative differential pressure

A

-1.0 psi

40
Q

Safety relief Valve setting

A

8.6 psi

41
Q

Normal Cabin Altitude

A

8000ft

42
Q

Cabin Alt Warning

A

9550 ft (+-350ft)

43
Q

May conditioned air from packs and LP air conditioning unit be used at the same time?

A

NO

to prevent any adverse effect on the Air conditioning system

44
Q

Autopilot min use height:

At Take-off

A

100 ft AGL and

at least 5 sec after liftoff

45
Q

Autopilot min use height:

In approach with FINAL APP, V/S or FPA mode

A

250 ft AGL

46
Q

Autopilot min use height:

In circling approach

A

500 ft AGL (Cat C)

47
Q

Autopilot min use height:

ILS approach when CAT 1 displayed on FMA

A

160 ft AGL

48
Q

Autopilot min use height:

After a manual go-around

A

100ft AGL

49
Q

Autopilot min use height:

In all other phases

A

500 ft AGL

50
Q

The AP or FD in OP DES or DES mode can be used in approach. However its use can only be permitted if the FCU selected altitude is……..?

A

set to, or above the higher of MDA/MDH or 500ft AGL

51
Q

FMGS lateral and vertical navigation is certified for?

A
  1. After take-off, enroute and terminal area ops
  2. Navigation within RNAV/RNP airspace
  3. Instrument Approach procedures (except ILS & LOC)
  4. Missed approach procedures
52
Q

The navigation accuracy depends on….?

A

-IRS drift, or

-1 of the following:
-Radio navaid avaiability, or
-Elapsed time since last computation of radio navaid
position

53
Q

RNP accuracy with GPS PRIMARY is……..?

(in NAV with AP ON / AP OFF, FD ON / AP & FD OFF)

a) enroute?
b) In terminal area?
c) In approach?

A

a) enroute -1nm
b) terminal -0.5nm (0.51 when AP OFF)
c) approach -0.3nm

54
Q

DEGRADED SITUATION:

If GPS PRIMARY LOST is displayed on ND and MCDU, the navigation accuracy remains sufficient for RNP operations provided that………?

A

RNP value is checked or entered on the MCDU, and

HIGH ACCURACY is displayed

55
Q

Nav mode may be used after take-off provided:

A
  • GPS PRIMARY is available, or

- The flight crew checked the FMGS take-off updating

56
Q

Max tower reported surface headwind for coupled ILS approach

A

30 kts

CAT 1 without autoland allowed above this wind

57
Q

Max tower reported surface tailwind for coupled ILS approach

A

10 kts

CAT 1 without autoland allowed above this wind

58
Q

Max tower reported surface crosswind for coupled ILS approach

A

20 kts

CAT 1 without autoland allowed above this wind

59
Q

APU starting limitation

A

3 start attempts, then

wait 60mins

60
Q

APU -Max N speed

A

107%

61
Q

APU -Max EGT for start:

a) YUD: <35000ft
b) Others: <25000ft

A

a) 1090°C -YUD

b) 900°C -Others

62
Q

APU -Max EGT for start:

a) YUD: >35000ft
b) Others: <25000ft

A

a) 1120°C -YUD

b) 982°C -Others

63
Q

APU -Max EGT APU running:

a) YUD

b) Others:
- with 5 sec confirmation for shutdown
- for immediate shutdown

A

YUD:
a) 675°C

Others
b) 682°C -with 5 sec confirmation for shutdown
700°C - 742°C -for immediate shutdown

64
Q

APU Battery restart limit

Elec Emer

A

25000ft

65
Q

APU -Max altitude to assist engine start

A

20000ft

66
Q

APU -Max altitude for air (single pack):

a) YUD
b) Others

A

YUD
a) 22500ft

Others
b) 20000ft

67
Q

APU -Max altitude for air (dual pack)

A

15000ft

68
Q

Use of APU for wing anti-ice

A

Not Permitted

69
Q

Max TOGA -all engines operating

A

5min / 635°C

70
Q

Max TOGA -single engine

A

10min / 635°C

71
Q

Max MCT

A

unlimited / 610°C

72
Q

Max temp when starting engines -ground or air

A

635°C

73
Q

Max engine N1/N2

A

100%

74
Q

Max oil temp -continuous

A

155°C

75
Q

Max oil temp -transient (15mins)

A

165°C

76
Q

Min oil temp -starting

A

-40°C

77
Q

Min oil temp -before IDLE exceeded

A

-10°C

78
Q

Min oil temp before take-off

A

50°C

79
Q

Min oil pressure

A

60psi

80
Q

Min time between engine starts on the ground

A

15 sec

81
Q

Engine starter limits

A

after 3 failed attempts or 5min continuous crank,

30mins cooling

82
Q

Max start cycle -air

A

2mins

83
Q

Max crank time

A

5mins

84
Q

The starter must not be run on the ground when N2 is

A

> 10% N2

85
Q

The starter must not be run in-flight when N2 is

A

> 18% N2

86
Q

Max reverse should not be used below

A

70kts

87
Q

Max crosswind for starting

A

35kts

88
Q

Icing conditions -definition

A

OAT/TAT at or <10°C and visible moisture

89
Q

Definition -Severe Ice Accretion

A

5mm or more

90
Q

Max Taxi Weight

A

77.4 T

91
Q

Max TKOF Weight

A

77.0 T

92
Q

Max Landing Weight

A

64.5 T

93
Q

Max Zero Fuel Weight

A

61.0 T

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