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A320 Limitations and Numbers > Limitations & Numbers > Flashcards

Limitations & Numbers Flashcards

1
Q

What’s the minimum runway width for a 180° turn?

A

75’ / 22m

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2
Q

What’s the max ‘demonstrated’ crosswind for take-off and landing?

A

38 kts (Gusts included)

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3
Q

What’s the max runway slope?

A

±2%

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4
Q

What’s the max tailwind for take-off and landing?

A

15 kts

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5
Q

What’s the max operating speed?

A

350 kts / 0.82 Mach

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6
Q

What’s the max ground speed?

A

195 kts

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7
Q

What’s the max service ceiling?

A

39,800’

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8
Q

When does take-off inhibit display?

A

Flight phases 3,4 and 5. (TO power to 1500’)

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9
Q

When does landing inhibit display?

A

Fight phases 7 and 8 (800’ to 80 kts)

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10
Q

What is the limiting EGT for T/O and GA?

A

950°c

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11
Q

What is the limiting EGT for MCT?

A

915°c

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12
Q

What is the limiting EGT for Starting?

A

725°c

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13
Q

What is min IAS for max reverse thrust?

A

70 kts

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14
Q

Engine oil temp limitations - max continuous temp?

A

140°c

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15
Q

Engine oil temp limitations - max continuous temp (15mins)?

A

155°c

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16
Q

Engine oil temp limitations - min starting temp?

A

-40°c

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17
Q

Engine oil temp limitations - min temp before T/O?

A

-10°c

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18
Q

Minimum oil quantity before T/O?

A

9.5qt + est consumption at 0.5qt/hr

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19
Q

What spoilers are used for roll?

A

2,3,4,5

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20
Q

What spoilers are used for ground spoilers?

A

1,2,3,4,5

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21
Q

What spoilers are used for speed brakes?

A

2,3,4

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22
Q

What are the G (Load Factor) protection limits?

A

2.5 to -1G (Clean)

2 to 0G (Other Configs)

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23
Q

What are the pitch attitude limits?

A

+30° / +25° (low speed) - Config 0-3
+25° / +20° (low speed) - Config Full
-15°

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24
Q

What is the max angle of bank?

A

67°
40° - High speed protection
45° - Alpha protection

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25
Q

What AoB do the FDs disappear?

A

More than 45°

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26
Q

What is the max angle of bank for a hands off turn?

A

33°

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27
Q

What is the max roll rate in direct law?

A

30° / sec - Clean

25° / sec - Slats extended

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28
Q

When does automatic flap retraction work?

A

210 kts

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29
Q

What are the flap limiting speeds?

A 
Flap 1 - 230 kts
Flap 1+F - 215 kts
Flap 2 - 200 kts
Flap 3 - 185kts
Flap Full - 177 kts
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30
Q

What is the max flap extension altitude?

31
Q

When on TO does nose wheel steering become inhibited?

A

130 kts. 6° at 40 kts reducing to 0° at 130 kts (Rudder)

80 kts. 75° at 20 kts to 0° at 80 kts (Tiller)

32
Q

Max nose wheel steering angle?

A

Rudder - 6°

Tiller - 75°

33
Q

How long can the accumulator hold the park brake on?

34
Q

What delays occur before auto brake starts?

A

Low - 4 seconds
Medium - 2 seconds
Max - 0 seconds

35
Q

When do arcs appear above the brakes on SD?

A

Green arc - 100°c

Amber - 300°c

36
Q

What is the tyre limiting speed?

37
Q

What is the gear up limiting speed?

38
Q

What is the gear down limiting speed?

39
Q

What is the gear locked down limiting speed?

40
Q

What is the safety valve operation limiting speed? (gear)

41
Q

What is the total fuel capacity? (No ACTs)

42
Q

What is the min fuel quantity for T/O?

43
Q

What is the max KvA for generators?

A

90 KvA for engine/APU

5KvA for Emergency Gen (RAT)

44
Q

What is the min battery voltage at start of day?

45
Q

On batt only, how long before APU can be started?

A

45 seconds

46
Q

What is bleed normal pressure?

A

45 ± 5 psi

47
Q

What is the bleed air temp regulated to?

48
Q

What is the compartment temp controller range?

A

18 - 30°c (12 o clock is 24°c)

49
Q

What is the max cabin RoD in auto?

50
Q

How long after TD does the outflow valve fully open?

A

55 seconds

51
Q

What is are the cabin pressure limits? (Safety valve operation)

A

+8.6 psi

-1 psi

52
Q

How many smoke detectors are in the holds?

A

2 in forward hold

4 in aft hold

53
Q

How long does IRS alignment take?

A

Normal - 10 mins

Fast - 30 seconds

54
Q

When is Windshear warning inhibited?

A

Between 100 kts and 50’

55
Q

How long does IRS alignment take when below -15°c?

56
Q

What is the max speed for use of wipers?

57
Q

When is AP first available for use?

A

Airborne for 5 seconds (100’)

58
Q

At what RA is Retard heard?

A

Autoland - 10’ RA

Manual - 20’ RA

59
Q

When is Yaw Bar (Ground roll guidance command bar) available?

A

Below 30’ RA

60
Q

When does APU avail illuminate on pb?

A

N above 99.5% or 2 seconds after 95%

61
Q

What is max altitude for APU start on generators?

A

Max ceiling - 39,800’

62
Q

What is max altitude for APU start on batt?

63
Q

What is max altitude for APU bleed (Single pack)?

64
Q

What is max altitude for APU bleed (Both packs)?

65
Q

What is the max altitude than APU can provide electrical power only?

A

Max ceiling - 39,800’

66
Q

What is the max altitude than APU bleed can be used to assist engine start?

67
Q

What is the max wind speed for opening of cabin door?

A

Pax door - 65 kts

Cargo doors - 40 kts or 50 kts if nose into wind (65 kts for close)

68
Q

What is the max speed for opening of cockpit windows?

69
Q

At what altitude do cockpit O2 masks provide overpressure?

A

30,000’ above cabin alt

70
Q

On door SD page, what does OXY in Amber mean?

A

Pressure <400 psi

71
Q

On door SD page, what does REGUL LO PR in Amber mean?

A

Pressure on low pressure circuit <50 psi

72
Q

On door SD page, what does pressure indication with half box mean?

A

Pressure <1500 psi

73
Q

When do pax O2 masks automatically deploy?

A

> 14,000’ or >16,000’ at high altitude airports

74
Q

How long will pax O2 flow?

A

13-22 mins

A320 Limitations and Numbers (1 decks)

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