A320 Limitations > A320 Limitations > Flashcards

A320 Limitations Flashcards

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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
Maximum Taxi Speed for A320/321
Weight above 76 000 kg: Max Taxi Speed 20 kt during a turn (A320 Max Ramp 75 900 kg)
26
Maximum pressure for the Ram Air Inlet to open
1 PSI
27
Pressure limitation of a Ground Cart for External Air start
1.2 kg/s
28
Maximum Negative/Positive Differential pressure
-1 PSI / 9 PSI
29
Safety relief valve setting
-1 PSI/ 8.6 PSI
30
Maximum Normal Cabin altitude
8000 ft
31
Maximum Cabin altitude Warning
9550 ft (+/-350ft)
32
Maximum OAT for unlimited use of avionics ventilation system in normal configuration
49 °C
33
Minimum height for autopilot on takeoff
* 100 ft AGL | * FMGS logic prevents autopilot engagement for the first 5s after liftoff
34
Minimum height for autopilot on approach
* 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
35
Minimum height for autopilot on Go-around
100 ft AGL
36
FMGS RNP accuracy with GPS Primary
• 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
37
Requirements before using NAV mode after take-off
GPS PRIMARY or FMGS take-off updating checked
38
FMGS RNP accuracy with GPS PRIMARY LOST
RNAV operations allowed provided - RNP value checked/entered in MCDU - HIGH ACCURACY displayed
39
Take-off from airports where the difference between the local coordinate system and WGS 84 is not negligible
* Airborne, incorrect NAV guidance may occur | * GPS must be deselected until a safe altitude is reached
40
Requirement on Navaid availability for NPA(VOR/NDB) flown NAV/FPA or Final APP mode
• 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
Minimum altitude for FINAL APP mode guidance with GPS PRIMARY
MDH/DH (barometric) 250 ft
42
Requirements to use NAV mode in the terminal area
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
Autopilot limitations for single engine NPA on A321 and old A320 up to B-HSN
•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
Minimum Decision Height ILS CAT 2
100 ft
45
Minimum Decision Height ILS CAT 3A
50 ft
46
Alert Height ILS CAT 3B
100 ft
47
Minimum Decision Height ILS CAT 3B with DH
25ft for A320 | 22ft for A321
48
Minimum RVR ILS CAT 3B
75 m
49
Minimum height to disengage the Autopilot for a CAT 2 approach without autoland
80 ft AGL
50
AP/ATHR Requirements for CAT2 and CAT3 approach
• 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
Autoland and Autorollout Limitations with 1 Engine Out
• 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
A320 | Wind limit for CAT 2/3 or Autoland
30/20/10 kts
53
A321 | Wind limit for CAT 2/3 and Autoland
30/20/10 kts
54
A321 | Wind limit for CAT2 approach and manual landing
40/25/10 kts
55
Autoland limitations both engines operating
• 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
A321, Autorollout limitation with 1 engine inoperative or 1 thrust reverser inoperative
* Reverse IDLE only | * No reverse if crosswind is more than 15 kt
57
CAT 2/3 practice on CAT 1 weather conditions, requirements and procedure
* 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
Max Load per TR
200 A
59
Max Load per Generator
100% (90KVA)
60
Max altitude with Flaps/Slats extended
20 000ft
61
Max Fuel imbalance Outer Tanks
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
JET A1 Maximum Fuel Temperature
• 54°C • ECAM advisory T° > 45 °C for the inner cell T° > 55 °C for the outer cell
63
JET A1 Minimum Fuel Temperature
• - 43°C • ECAM advisory T° less than -40°C
64
Minimum Take-off Fuel Quantity
* 1 500 kg | * L(R) WING TK LO LVL not displayed
65
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.
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
Normal hydraulic operating pressure
3 000 ± 200 PSI
67
Maximum brake temperature for takeoff with brakes fan off
300 °C
68
Ways to disengage autobrake system
* Arm mode pushbutton | * Brake pedals
69
Restrictions for taxi with 1 tire deflated per Gear (3 tires max)
- Max speed in turn 7 kts | - Max Nose Wheel steering angle 30°
70
Restrictions for taxi with 2 tires deflated on same main Gear
- Max speed in turn 3 kts | - Max Nose Wheel steering angle 30°
71
Nose Wheel Steering angle limit for towing and taxi
Towing and Pushback: 95° | Taxi: 75°
72
Restrictions for taxi with damaged tire
Taxi with damaged Tire is forbidden Gear must be inspected before taxi if tire damage is suspected
73
At what latitude is NAV mode prohibited
* North of 73 ° North | * South of 60 ° South
74
The EGPWS enhanced function should be inhibited when the aircraft position is less than 15 nm from the airfield
* Operations to/from runways not in the EGPWS database | * Approach procedures that have previously produced false terrain alerts
75
Restriction on use of ISIS
When both PFDs are lost, the ISIS bugs function must not be used
76
Where can you find the minimum flight crew oxygen pressure
FCOM LIM-35
77
Minimum Oxygen pressure, what does it cover
• 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
APU LOW OIL LEVEL ECAM advisory displayed, can you use the APU
* APU may be started and operated | * Maintenance action required within next 10 h of APU operation
79
APU starter limit
3 cycles max followed by 1h cooldown
80
APU, Maximum N
* 107% | * Automatic shutdown at 107%
81
APU maximum EGT
• 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
APU Generator load
100 % (90 KVA)
83
APU bleed, maximum altitude to operate 2 Packs
15 000 ft
84
APU bleed, maximum altitude to operate 1 Pack
20 000 ft
85
APU bleed, maximum altitude to start 1 Engine
20 000 ft
86
Engine EGT limits on A320
• 610°C for MCT • 635°C for - Start - Take off and Go around 5' for 2 engines, 10' for 1 engine
87
Engine EGT limits on A321
* 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
Engine minimum oil temperature
* -40 °C for Start * -10 °C to exceed idle * 50 °C for Take-off
89
Engine maximum oil temperature
* 155 °C: Continuous | * 165 °C: Transient for 15’ max
90
Engines minimum oil pressure
60 PSI
91
Engines minimum oil quantity
11qt + 0.3qt/h
92
N1 max
100%
93
N2 max
100%
94
Engine starter Limitations
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
Restrictions on the use of Reverse Thrust
• 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
Restriction on use of Reduced Thrust Take-off
• 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
Maximum Cross Wind to start the Engines
35 kt
98
Can you load a mix of Fuel types
Yes | Determine minimum fuel temperature from FCOM LIM-28
99
APU, maximum altitude to start the APU on battery (EMER ELEC CONFIG)
25 000ft
A320 Limitations
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