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Etihad Airbus A320 Knowledge Validation > A320 Limitations > Flashcards

A320 Limitations Flashcards

1
Q

What is the maximum operating altitude?

A

Either 39,100 or 39,800 feet as per MSN

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2
Q

What is the aircraft maximum structural taxi weight, takeoff weight, landing weight, and ZFW?

A

All structural weights are as specified in the LIM chapter

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3
Q

What are the maximum speeds for each flap/slat configuration?

A

As specified on the cockpit placard and PFD.

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4
Q

What is the maximum altitude at which the landing gear may be extended?

A

There is no altitude limitation for landing gear extension

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5
Q

What is the maximum altitude at which the slats/flaps may be extended?

A

20,000 ft.

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6
Q

What is the maximum tire speed? (Ground Speed)

A

195 Kts

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7
Q

What is the maximum speed with the cockpit window open?

A

200 Kts

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8
Q

What is the maximum speed to operate the windshield wipers?

A

230 KIAS

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9
Q

What is the maximum demonstrated or certified crosswind for takeoff/landing on a dry runway (Gusts Included)?

A

It is greater than 30 knots. Exact values are as specified in the LIM Chapter.

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10
Q

What is the maximum recommended crosswind for landing on a wet or contaminated runway (Gusts included)?

A

Varies with conditions, as specified in:

FCOM and EY SUPP (as applicable)

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11
Q

What is the maximum tailwind component for landing?

A

Either 10 or 15kts, as per MSN and Variant

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12
Q

What is the maximum taxi speed?

A

The maximum taxi speed is 30 knots.
On the A320/A321 only if the weight is higher than 76t, maximum taxi speed is 20 Kts during turns.
EY policy stipulates maximum speed of 10kts during 90° turns except on the A380 where it is 8-10kts.
Additionally EY policy stipulates that during LVP, when RVR falls below 550 m the maximum recommended taxi speed is:
 20kts or
 10 knots if the aircraft is in or about to enter obscuring phenomena (sand, fog snow, rain dust etc.).

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13
Q

What is the air conditioning limitation when using an LP Ground Unit?

A

Do not use conditioned air simultaneously from packs and an LP ground unit.

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14
Q

What is the air conditioning limitation when using an HP Ground Unit?

A

Do not use an HP ground unit when the APU supplies bleed air.

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15
Q

What is the minimum weight for use of autoland?

A

Not Specified

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16
Q

What is the minimum height for use of the autopilot on takeoff with SRS mode?

A

100 ft. AGL

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17
Q

What is the minimum height for use of the autopilot during a Straight-in Non-Precision Approach?

A

Applicable MDA

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18
Q

What is the minimum height for use of the autopilot during a Circling Approach?

A

Applicable MDA minus 100 ft.

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19
Q

What is the minimum height for use of the autopilot during a Straight-in LNAV/VNAV Approach?

A

Applicable DA

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20
Q

What is the minimum height for use of the autopilot during an ILS Approach without CAT 2 or CAT 3 displayed on the FMA?

A

160 ft. AGL

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21
Q

What is the minimum height for engagement of the autopilot during a Go Around?

A

100 ft. AGL

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22
Q

What is the minimum height for use of the autopilot during all phases other than take-off, instrument approach or go-around?

A
  • 500 ft. AGL for A320/A319

- 900ft AGL for A321

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23
Q

What is the general limitation regarding the use of the autopilot and/or the FD during an approach in OPEN DES or DES mode?

A

Use of the AP or FD in OPEN DES or DES mode is not permitted in approach, unless the FCU altitude is set to, or above, MDA or 500 feet (900ft for A321), whichever is higher.

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24
Q

What is the general limitation/precaution regarding obstacle clearance and constraints programmed into the FMGS?

A

Obstacle clearance and adherence to airspace constraints remains the flight crew’s responsibility.

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25
Q

What are the maximum wind conditions for a CAT 2 or CAT 3 ILS Automatic Approach, Landing, & Rollout?

A 
HW: 30 Kts
TW: 10 Kts
(A319: 5kts)
XW: 20 Kts
(XW:15kts A320 Sharklet)

Note: Wind limitation is based on the surface wind reported by the tower. If the tower reports a surface wind beyond these limits, only CAT 1 automatic approach without autoland can be performed.
Note: Refer to RCAM/XX-9EY for EY/State limitation

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26
Q

What is the limitation/precaution regarding the fuel, time predictions/performance information available through the FMGC?

A

This information is provided for advisory purposes only.

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27
Q

What are the only approach types that may be flown using FINAL APP?

A

VOR, VOR/DME, NDB (If fitted), NDB/DME or RNAV app.

28
Q

Is it authorized to fly a RNAV approach without GPS PRIMARY?

A

No. Etihad policy prohibits RNAV approaches without GPS PRIMARY.

29
Q

What are the pre-requisites for using NAV mode in the terminal area?

A

NAV mode may be used in the terminal area, provided:
- GPS PRIMARY is available, or
- HIGH accuracy is displayed, and the appropriate RNP is checked or entered on the MCDU/MFD, or
NAVAID raw data is monitored.

30
Q

What is the limitation regarding the use of the autopilot to perform a Non-Precision Approach if one engine is inoperative?

A

No limitation specified for A320 and A321.
A319 only:
In case of OEI, use of autopilot is not allowed to perform an NPA in the following modes:
FINAL APP, NAV/VS, NAV/FPA.
Use of FD in NAV mode remains authorized.

31
Q

What is the applicable Alert Height during a CAT 3 Fail Operational (Dual) ILS Automatic Approach?

A

100 ft.

32
Q

What are the general limitations applicable to CAT 2 and CAT 3 auto landings in regards to configuration and engine out procedures?

A

A320 – CONF FULL,
A319/321 – CONF 3 or FULL
If engine-out procedures are completed before reaching 1000 ft.

33
Q

What are the specific limitations applicable to auto landings in regards to engine out procedures?

A 
On A319/A320 with Sharklets/321: During automatic rollout with one eng inop, the remaining thrust reverser can be used provided that:
- Only IDLE reverse thrust is used
- The XW does not exceed:
 20 kt. on A319
or
 15kt on A320/A321
34
Q

What are the permissible flap/slat configurations for a CAT 2/CAT 3 ILS?

A

CONF 3 and CONF FULL

35
Q

What are the mandatory precautions that must be taken if performing an automatic landing using a CAT 1 ground installation or on CAT 2/3 ground installations when the ILS sensitive areas are not protected?

A
  1. Practice low visibility approaches and/or autoland are only permitted on runways certified for LVO, with prior ATC coordination and assurance of protection against signal disturbance. (OM-A 8.4.13).
  2. The crew is aware that LOC or GS beam fluctuations, independent of aircraft systems, may occur and the PF is prepared to immediately disconnect the AP and take appropriate action, should unsatisfactory guidance occur.
  3. At least CAT 2 capability is displayed on the FMA, and CAT 2/CAT 3 procedures are used.
    Visual references are obtained at an altitude appropriate to the performed CAT 1 approach, otherwise a go-around is initiated.
36
Q

What is the aircraft approach Category? (OM-A 8.1)

A

CAT C for A320/A319

CAT D for A321

37
Q

What is the maximum allowable fuel imbalance in either inner or outer tanks at takeoff, landing, and in flight?

A

As Specified in the LIM Chapter

38
Q

What is the maximum fuel temperature?

A

As Specified in the LIM Chapter

39
Q

What is the minimum fuel temperature?

A

As Specified in the LIM Chapter

40
Q

What is the minimum fuel quantity for takeoff?

A

As Specified in the LIM Chapter

The WING TK LO LVL warning must not be displayed on ECAM for takeoff.

41
Q

What is the normal operating pressure limit for the hydraulic system?

A

3000 psi +/- 200 psi

42
Q

What is the maximum brake temperature for takeoff?

A

300 deg. C with the brake fans off

43
Q

What are the maximum speeds for landing gear extension and retraction?

A

As specified on the cockpit placard

44
Q

What is the limitation regarding pivot turns?

A

No limitation specified

45
Q

What are the limitations regarding taxi operations with one or more deflated tires?

A

If tire damage is suspected after landing or after a rejected takeoff, inspection of the tires is required before taxi.
If the tire is deflated but not damaged, the aircraft can be taxied at low speed, provided the imitations/restrictions specified in the LIM chapter are observed.

46
Q

Is it authorized to use the EGPWS display for navigation purposes?

A

No.

47
Q

When must the EGPWS TERR Pb. be switched off?

A

The EGPWS enhance function should be inhibited (TERR pushbutton to OFF, on the GPWS panel) when the aircraft position is less than 15 NM from the airfield:

  • For operations to/from runways not incorporated in the EGPWS database
  • For specific approach procedures which have previously been identified as potentially producing false terrain alerts.
48
Q

What is the minimum oxygen required for a particular flight and flight crew?

A

As specified on the chart (A330F) / tables in LIM Chapter

49
Q

Following a loss of cabin pressure, the minimum oxygen required for a particular flight and flight crew, assumes the mask regulator is in what position?

A

The assumption is that the mask regulator is in the NORMAL (diluted oxygen) position.
Note: Based on the use of a sealed mask, may be shorter for bearded crew (in terms of performance, pressure, or duration).

50
Q

For what duration are all crew members protected by the oxygen system in the event of smoke with 100% Oxygen selected?

A

For A320/330/340 - It provides protection for 15 min at 8000 ft.
Note: The above times which are based on the use of a sealed mask, may be shorter for bearded crew (in terms of performance, pressure, or duration).
Note: The above times are based on the use of a sealed mask. They may be shortened when masks are used by bearded flight crew members.

51
Q

What is the operating limitation of the APU if the LOW OIL LEVEL ECAM advisory is displayed?

A

The APU may be started and operated even if the message is displayed.
However, maintenance action is required within the time limits specified in the LIM Chapter

52
Q

What is the limitation regarding consecutive start attempts of the APU?

A

After 3 consecutive start attempts (duty cycles), a 60-minute cool down is required before the next start.

53
Q

What is the maximum APU EGT limit for any phase of operation?

A

The red line limit on the EGT scale

54
Q

What is the minimum battery voltage to start the APU?

A

25.5 V with BATT sw. OFF

if not elec. powered for 6hr or more

55
Q

What is the maximum altitude for starting (using an engine generator) and using the APU for electrical power?

A

Aircraft Ceiling

56
Q

What is the maximum altitude for attempting an APU start with the aircraft batteries only (ELEC EMER CONFIG)?

A

25,000 ft.

57
Q

What is the maximum altitude for using the APU Bleed with One Pack?l

A

As per MSN

20,000 ft. or 22,500 ft.

58
Q

What is the maximum altitude to use the APU bleed for an Engine Start?

A

20,000 ft.

59
Q

What is the maximum altitude for using the APU Bleed with Two Packs?

A

15,000 ft.

60
Q

What is the limitation of the APU regarding the use of wing anti-ice?

A

APU air bleed extraction for wing anti-ice is not permitted.

61
Q

What is the minimum engine oil quantity for each flight?

A

As specified in PRO-NOR-SOP

62
Q

What is the minimum oil temperature for takeoff?

A

+50 deg C

EIZ: -10° C

63
Q

What is the maximum time limit for using TOGA thrust?

A

5 Minutes under normal conditions

10 Minutes in case of engine failure

64
Q

What are the engine starter limitations for the A320?

A

For all except EIZ:
‐ 3 consecutive cycles: 2 cycles of 2 min each, followed by a 3rd cycle of 1 min.
‐ Pause between start attempts: 15 s.
‐ Cooling period, following 3 start attempts or 4 min of continuous cranking: 30 min.
‐ No running engagement of the starter, when N2 is above 10 % on ground, and 18 % in flight.
For EIZ:
Maximum of 4 consecutive start cycles, each lasting a maximum of 2 minutes.
Each start must be separated by a 20 second pause. The required cooling period after 4 start attempts is 15 minutes.
There must be no active engagement of the starter when N2 is above 20%.

65
Q

What are the limitations regarding the use of Reverse Thrust?

A
  1. Selection of reverse thrust in flight is prohibited.
  2. Backing with reverse thrust is not permitted.
  3. Maximum reverse should not be used below 70 knots. Idle reverse is allowed down to aircraft stop.
66
Q

Is reduced thrust take-off allowed on contaminated runways?

A

No

67
Q

Is reduced thrust take-off allowed with inoperative aircraft systems or components that affect performance?

A

Yes, provided the associated performance shortfall has been applied to meet all performance requirements.

Etihad Airbus A320 Knowledge Validation (4 decks)

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