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A320 need to knows > Limitations > Flashcards

Limitations Flashcards

1
Q

Flight Manoeuvring Load Acceleration Limits

A

Clean -1g to +2.5G

Not Clean 0g to +2g

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2
Q

Max Ramp, T/O and Landing Weights

A

Ramp 77,400kg (can be 73,900 on some aircraft)
T/O 77,00kg (can be 73,500kg on some aircraft)
LDG 64,500kg (Can be 66,000kg on some Aircraft)
MZFW 61,000kg (62,500kg on some aircraft)
Min weight 37,230kg

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3
Q

Runway slope

A

+_ 2% can be +_3% on some aircraft

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4
Q

Max Runway Altitude

A

9,200’ can be 12,000 on some aircraft.

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5
Q

Nominal RWY Width

A

45M

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6
Q

Tail Wind for take off and Landing

A

Take off Max 15kts tail wind

Landing Max 10kts tail wind (Can be 15kts on some aircraft)

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7
Q

Wind for Pax / Cargo dorr operation

A

Passenger door operation: Max 65kts
Cargo Door Max 40kts or 50kts if Aircraft nose into wind or cargo door is on the leeward side.

Cargo door must be closed before wind speed exceeds 65kts

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8
Q

Maximum demonstrated Cross wind

A

38kts (gusts included) Dry and Damp conditions and Wet up to 3mm of water. For operation in contaminated, Snow, Slush etc.. See FCOM Limitations Lim 12 P3/4

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9
Q

Flap seeds

A 
Flap 1 230kts
Flap 1+F 215kts
Flap 2 200kts
Flap 3 185kts
Flap full 177kts
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10
Q

Gear Speeds

A

Max speed with gear extended 280 its /M0.67
Max Speed VLO extension 250 kts / M0.60
Max Speed VLO retraction 220 its / M0.54
Max Altitude at which gear may be extended 25,000’
(Company limit for VLO extension 220kts)

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11
Q

Max Tire Speed

A

195 Kts

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12
Q

Max Speed Windshield wipers

A

230kts

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13
Q

Max speed Cockpit window open

A

200kts

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14
Q

Taxi Speed

A

When weight greater than 76,000kg do not exceed 20kts in a turn.

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15
Q

Ram inlet

A

Only open if pressure differential is lower than 1 Psi

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16
Q

Air-conditioning with LP ground unit

A

Airflow from cart not to exceed 1.2kg/s

Do not use ground air and packs simultaneously due to chattering of the non return valves

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17
Q

APU with HP ground unit

A

Do not use HP ground unit when APU supplies bleed air to avoid bleed system damage.

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18
Q

Cabin pressure limits

A

Max Positive differential pressure 9.0psi
Max Negative differential pressure -1psi
Safety relief valve setting 8.6psi
Cabin Alt warning at 9,550’ +- 350’

note: Max Delta P and saftey vavle settings = +_7hpa (0.1psi)

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19
Q

Avionics Ventilation

A

OAT =49C No limitation
OAT=55C Time limit 2 hours
OAT=60C Time limit 1 hour
OAT=64C Time limit 1/2 hour

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20
Q

Min height for use of Autopilot on Take off with SRS mode

A

100’

Note: an internal FMGS logic prevents the autopilot engaging during the 5 seconds after lift off

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21
Q

Min height for use of Autopilot in Non precision approach.

A

Applicable Minimum

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22
Q

Min Height for use of Autopilot during circling approach

A

Applicable minimum -100’

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23
Q

Min height for use of Autopilot for ILS when Cat2 or Cat3 is not displayed on FMA

A

160’ AGL

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24
Q

Min height for use of Autopilot on PAR approach

A

250’

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25
Q

Min height Autopilot or Flight director engagment on Go Around

A

100’ AGL

26
Q

Min height for use of Autopilot in all other phases of flight

A

500’

27
Q

RNP accuracy with GPS primary

A

With AP on in NAV
Enroute 1nm
Terminal 0.5nm
Approach 0.3nm

With AP off and FD on in NAV
Enroute 1nm
Terminal 0.51nm
approach 0.3nm

With AP off and FD off
Enroute 1.1nm
Terminal 0.51nm
Approach Not authorised

28
Q

ILS Cat2 Min decision height

A

100’ AGL at leat one autopilot must be engaged and Cat2 or above displayed on FMA. If crew performs an Automatic approach without autoland. Autopilot must be disengaged by no later than 80’ AGL

29
Q

ILS CAT3 fail passive (single)

A

Min decision height 50’. At least one autopilot must be used and Cat3 single or above displayed on FMA. A/THR must be used in either selected or managed speed.

30
Q

ILS CAT3 Fail operational (Dual)

A

A/THR must be used in selected or managed mode.
Alert height 100’
CAT3 with DH 25’
CAT3 without DH Min visual range 75m

31
Q

Max winds for CAT2/3 automatic approach, landing and role out.

A 
Head wind 30kts
Tail wind 10kts
Crosswind:
20kts for automatic approach, landing (without automatic role out)
15kts for automatic role out
32
Q

Max continuos load per generator

A

100% (90KVA)

33
Q

Max continuous load per TR

A

200A

34
Q

MAx operating altitude with flaps and or slats extended.

A

20,000’

35
Q

Fuel imbalance at TAKE OFF (Outer tanks balanced)

A

Heaver tank is FULL imbalance 500kg
Heaver tank has 3,000kg Imbalance 1,050kg
Heavier tank has 1,450kg Imbalance 1,450kg

36
Q

Fuel imbalance at TAKE OFF (Inner tanks balanced)

A

Heaver tank Full imbalance 370kg

Heavier tank 370kg imbalance 370kg

37
Q

Fuel imbalance at LANDING outer tanks balanced

A

Heavier Tank Full imbalance 1,500kg
Heavier tank 4300kg imbalance 1,600kg
Heavier tank 2,250kg imbalance 2,250kg

38
Q

Fuel imbalance at landing outer tanks

A

Max allowable imbalance 690kg. Note one full and one empty is allowed as long as the outer plus inner of one wing = the same as the other total.

39
Q

Min and Max temps for JetA1

A

Min -43C Max +54C

40
Q

Min fuel for take off

A

1,500kg

41
Q

Hydraulic system Operating pressure

A

3,000PSI +-200PSI

42
Q

Brake Temperature limits

A

Max temp for take off (brake fans off) 300C
Max temp for take off (brake fans on) 150C

Maintenance action required If:
Temp diff between two brakes on the same gear exceeds 150C and the Temp of either one of the brakes is higher than or equal to 600C.

Temp Diff between two brakes on same gear is 150C and temp of one brake is lower than or equal to 60C

The Difference between the average Temp of the Left gear brakes and the right gear brakes is 200C or more.

A fuse plug has melted

One brakes Temp exceeds 900C

43
Q

Taxi with deflated tires

A

If one tyre is deflated on one or more gears the speed should not exceed 7kts when turning.

If two tires are deflated on the same gear. Speed should be limited to 3kts and NWS to 30 degrees

44
Q

Nose wheel steering limits

A

NWS angle limited to 75 degrees when using the hand wheel.

For towing and pushback steering angle limit is 95 degrees

Accepted towbarless towing vehicles limit is 85 degrees.

45
Q

IRS geographical operational limits

A

The ground alignment of the IRS has been demonstrated to be acceptable between 73 North and 73 South. Outside this See FCOM limitations Lim-34 P1/2 or contact Airbus for special operations support.

46
Q

Min Flight Crew oxygen pressure

A

Rule of thumb: 2 crew members and 2 observers 700PSI at 30C

2 crew members only at 30C 540PSI

If in doubt Check FCOM LIM-35 P1/2

47
Q

Min O2 bottle pressure takes in to account what?

A

Preflight checks
Unusable quantity
The use of O2 when only one crew member is in the cockpit(i.e bathroom brakes)
Normal system leakage

and

Protection after loss of cabin pressure with mask regulator on normal.
During Emergency descent for all cockpit menacers for 13min
During CRZ at FL100 for two flight crew members for 107Min

or

Protection in case of smoke with 100% O2 for all cockpit members for 15min at cabin ALT of 8000’.

48
Q

APU LOW OIL LEVEL on ECAM

A

Maintenance action is required within the next 10 hours of APU use.

49
Q

APU starter duty cycles

A

After 3 starter motor duty cycles wait 60 min before attempting 3 more cycles.

50
Q

APU Maximum N Speed

A

107%

note: APU auto shut down at 107% N speed that appears on ECAM. This corresponds to actual N speed of 105%

51
Q

APU MAX EGT for start

A

Below FL250 900C

Above FL250 982C

52
Q

MAX EGT with APU running

A

682C with 5 second conformation for shutdown
or
700C to 742C for immediate shutdown, depending on the ambient temperature.

53
Q

APU Gen max load

A

90KVA at ISA +35C and below at FL250 and below. Outside this check FCOM LIM-49-20 P2/2

54
Q

Max Altitude for APU Bleed and GEN loads

A

Two packs up to 15,000’
One pack up to 20,000’

ENG start up to 15,000’ if speed below 150kts
ENG start up to 20,000 if speed above 150kts

Note: air bleed for wing anti ice not permitted.

55
Q

Engine Thrust setting EGT limits

A

TOGA 5 min or 10min OEI 635C
MCT unlimited 610C
Starting 635C

56
Q

Engine Oil temp limits

A 
Max prior to exceeding idle -10C
Min prior to T/O 50C
Max Cont temp 155C
Max transit Temp 165C (15min)
Min Starting temp -40C
Min oil pressure 60PSI
Min Quantity Company limit 19 Quarts prior to start. FCOM limit 11 quarts Plus estimated consumption 0.3 quarts per hour.
57
Q

Max. Engine RPM

A

N1 and N2 both 100%

58
Q

Engine starter Duty Cycles

A

3 consecutive cycles: 2 cycles of 2 min each followed by one cycle of 1 min.

Pause between start attempts 15sec

Cooling period following 3 start attempts or 4 min continuous cranking 30min

No running engagement of the starter when N2 is above 10% on ground or 18% in flight.

59
Q

Revers thrust limits

A

Not permitted in Flight
Not permitted to back up the aircraft
Max reverse should not be used below 70kts or when airspeed indications begin to fluctuate.
Idle reverse is permitted for use down to aircraft stop.

60
Q

Reduced thrust take off limits

A

Thrust reduction must not exceed 25% of the full rated thrust. To meet this requirement Flex temp must not be higher than ISA+55

61
Q

Max cross wind for engine start

A

35kts

A320 need to knows (8 decks)

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