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A320 EZY command prep (send EZY email to full study) > FCOM: Aircraft general & limitations > Flashcards

FCOM: Aircraft general & limitations Flashcards

1
Q

MZFW A319?
MZFW A320?
MZFW A321?

A

57 tonnes
62.5 tonnes
73.3 tonnes

Remember:
“Z” in ZFW looks like a 7 or 2.
“320” has a 2 in it, and if you add 3 and 2 you get 5.
321: add 2+1= 3, so 3/3 (73.3)

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2
Q

MLW A319?
MLW A320?
MLW A321?

A

61 tonnes
66 tonnes (Neo = 66.3 tonnes)
77.3 tonnes

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3
Q

MTOW A319?
MTOW A320?
MTOW A321?

A

A319:
64/66/68 depending on certification

A320:
73.5/75.5/77 (+ 79 for NEO) depending on certification
A321:
89

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4
Q

Wingspan
A319
A320
A321

A

A319: 34.1m
A320: 35.8m
A321: 35.8m

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5
Q

Length
A319
A320
A321

A

A319: 33.84m
A320: 37.57m
A321: 44.51m

Remember:
(19-)84
757
Farenheit 451

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6
Q

What is the maximum taxi weight?

A

400kg higher than MTOW

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7
Q

List the unpressurised areas.

A

GRAT
Gear bays (nose, main)
Radome
Air conditioning bay
Tail come

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8
Q

Minimum pavement width for a 180° turn?

A

22.9m for A320.

This is based on the offset between the outboard main gear and the nose gear.

So, YES you can turn on a 30m wide runway. However, the following considerations must be made:
- slow continuous turning
- symmetrical thrust
- no differential braking
- dry surface.

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9
Q

How do you execute a 180° turn on a runway?

A
  1. Move at 5-8kt continuously
  2. Turn the aircraft 25° off the runway axis
  3. Proceed until you are:
    A319: 2m away from the runway edge (the nose wheel will be about 3.6m from the edge)
    A320: over the runway edge (nosewheel will be about 1.6m from the edge)
  4. Use full nosewheel steering and N1 around 30-35%.

The closest the nosewheel will come to the opposite edge is 7.5m (A319) or 6m (A320).

If the runway is wet, use assymetryic thrust & differential braking.

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10
Q

When the aircraft has been fuelled to maximum capacity, what temperature rise is acceptable before the fuel will start spilling out?

A

20°C.
This equates to about 2% expansion.

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11
Q

Manoeuvring limits?

A

Clean: -1 to +2.5g
Other: 0 to +2g

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12
Q

Absolute service ceiling (pressure altitude in feet)?

A

39,800ft

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13
Q

Lowest operating temperature?

A

-70°C
However, the temperature increases with reducing altitude. As a general rule of thumb, above FL250, any temperature below -60°C should be checked against the environmental envelope in FCOM.

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14
Q

Max take off crosswind:
A319
A320 CEO
A320 NEO
A321

A

A319: 38kt
A320 CEO: 38kt
A320 NEO: 35kt
A321: 35kt

Basically NEO engines imply a crosswind limit of 35kt.

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15
Q

Max tailwind for take off

A

15kt

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16
Q

Max tailwind for landing

A

15kt (if not autolanding)

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17
Q

Max crosswind “slippery wet” for take off?

A

25kt

OMB 4.5.4

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18
Q

What are the limitations for OETD?

A

SLoPY

  • Slippery taxiways
  • LVPs in force
  • Powerpush via the main landing gear
  • Y ELEC PUMP fully serviceable
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19
Q

Explain the fire detection system.

A

The engines and APU have:
- 2 loops, “A” & “B”
- Fire Detection Unit

Once A+B senses heat above a TEMP the fire warning is triggered.

The loops consist of 3 sensing elements in the engine and 1 sensing element in the APU compartment.

Once an sensing element detects heat a signal is sent to the FDU.

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20
Q

When are the speed brakes active?

A

When the main landing gear is compressed and the speed is more than 72kt with the spoilers armed and the thrust levers at or near idle;
If the spoilers are not armed, the speed brakes will activate when reverse is selected on at least one engine.
Speed brakes will deactivate when at least one thrust lever is at a TLA of 20°.

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21
Q

How does the windshear system operate?

A

Take off: Reactive system is active 3s after lift off to 1300ft.
Predictive system is active when aircraft speed reaches 30kt on take off until 1800ft or 2300ft (depending on serial number).
Alerts are inhibited between 100kt to 50ft.

Approach & landing: Reactive system is active between 1300ft and 50ft.
Predictive system is active below 2300 or 1800ft but alerts inhibited below 50ft.

REACTIVE system generated by FACs and gives a warning when energy falls below a predetermined threshold.
Note: aircraft must be in CONF 1, so in the event of SLAT/FLAP fail, ensure CONF 1 is selected.

PREDICTIVE system is a function of the weather radar

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22
Q

How does the predictive windshear system operate?

A

The aircraft needs to be between 50ft and 1800/2300ft RA*

Scans airspace ahead up to 5nm for windshear.

Alerts inhibited on take off above 100kt.

*some MSNs are 1800ft, some are 2300ft

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23
Q

What is meant by a master warning and what is meant by a master caution?

A

WARNING -
operating procedure or technique that may result in personal injury or loss of life if not followed

CAUTION -
operating procedure or technique that may result in damage to equipment if not followed

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24
Q

What are the APU starting limitations?

A

Start attempts: 3 (then wait 1h)
Start on battery: 25,000ft (EMER ELEC config)

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25
Q

Can the APU be used to provide bleed air for WAI?

A

No

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26
Q

What is maximum altitude at which the APU can assist engine start?

A

20,000ft

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27
Q

What is the maximum altitude at which the APU can provide air conditioning and pressurisation

A

22,500ft for single pack operation
15,000ft for two pack operation

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28
Q

What is the maximum time at TOGA for normal operations? And for OEI operations?

A

AEO: 5 mins
OEI: 10 mins

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29
Q

What are the normal engine idle parameters after engine start? (EGT)

A

EGT: 725°C (CEO), 750°C (NEO)

30
Q

What is the minimum oil temperature for engine start and take off?

A

Start: -40°C
Take off: +19°C (NEO), -10°C (CEO)

31
Q

What is the minimum oil quantity?

A

NEO: 10.6qt or 8.9+ estimated consumption (whichever greater)
CEO: 9.5qt + estimated consumption

Estimated consumption is 0.45qt/hr (NEO) and 0.5qt/hr (CEO)

32
Q

What is the normal range of oil pressure?

A

30-80psi (CEO)

33
Q

When is the use of reverse thrust assumed in an RTO?

A

Wet runway

34
Q

How long should cockpit oxygen last?

A

OMA divides requirement into flight crew, cabin crew and pax.

For flight crew: Entire flight duration when cabin alt >10,000ft (minimum 2h)

Not sure where this info came from, but:
“13, 15, 1*7”

Worst case:
13 minutes:
- 3 flight deck occupants, emergency descent (diluter set to NORMAL)

15 minutes:
- SMOKE scenario, 2 fight deck occupants (regulator set to 100%)

Best case:
107 minutes:
- Cruise at FL100 with 2 occupants

35
Q

What is the effective time on the Smoke Hood?

A

15 minutes

36
Q

How long does a BCF Fire Extinguisher last for?

A

15 seconds

37
Q

How can you increase payload/takeoff weight? What other considerations might you have?

A

Use TOGA
Consider a different runway

38
Q

What are the in flight tolerances on altimeters?

A

Unlucky if you don’t remember it: “13” (and “3”)

At 300: 130
Then 3 X 130 = 390

FL300 - 130ft between PFDs (ADR 1 and 2), and 390ft between ISIS and ADRs
FL390 - 130ft and 445ft

39
Q

What are the FCOM chapters?

A

GDP LOFP

GEN - General info
DSC - Aircraft Systems
PRO - Procedures
LIM - Limitations
OEB - Operations Engineering Bulletins
FCB - Flight Crew Bulletins
PER - Performance

40
Q

What are the approximate fuel burn figures for:
- APU on ground
- Holding
- Approach

A

APU: 2kg/min
Holding: 40kg/min
Approach: 17kg/min

41
Q

How much extra fuel does operating with the anti ice systems on use?
(climb, cruise, holding)

A

Think “1-2-3”
Climb & cruise: 1 & 2
Holding: 2 & 3

Climb: 1.1kg/min and 2.0kg/min
Cruise: 1.0kg/min and 2.0kg/min
Holding: 2.0kg/min and 3.0kg/min

42
Q

At what temperature does the AIR: PACK1(2) OVHT alert trigger?

A

Pack Compressor outlet temp rises above 260°C.
When selecting PACK OFF it will automatically select HI flow.

43
Q

Maximum windshield wiper speed?

A

230kt

44
Q

How does the FPV (bird) get its information?

A

From IRS data, and suffers from inertial errors.
Also from static pressure information. So if altitude information isn’t available, the bird is not reliable.

45
Q

Unreliable airspeed: when levelling off to troubleshoot, what thrust setting should be adopted?

A

Clean aircraft, 2 engines:

50% N1 + FL/10
eg., at FL300, 80% N1.
Then refine as per QRH.

46
Q

The terrain display on ND1 and ND2 gets its information from where?

A

GPS1>MMR1 and the EGPWS database. This is the same for ND1 and ND2.

47
Q

Autopilot: earliest use on take off

A

100ft or 5s

48
Q

Lowest use of autopilot:
FINAL APP mode

A

250ft

49
Q

Lowest use of autopilot:
On approach when using selected modes

A

250ft

50
Q

Lowest use of autopilot:
Circling approach

A

500ft

51
Q

Lowest use of autopilot:
Cat 1 ILS

A

160ft

52
Q

Lowest use of autopilot:
ILS Cat 2 or 3

A

0ft if autoland

53
Q

Lowest use of autopilot:
All phases of flight except approach

A

A319, A320: 500ft AGL
A321: 900ft AGL (NB- watch this if performing a fully managed approach)

54
Q

List the gear limiting speeds (extended/operating)

A

Max speed with gear extended (Vle): 280kt
Max speed to extend (Vlo ext): 250kt
Max speed to retract (Vlo ret): 220kt

55
Q

Maximum tyre speed?

A

195kt

56
Q

Max taxi speed?

A

10 - 20 - 30
LVPs : 10kt (OMB)
A320 CEO: 20kt in a turn if heavier than 76T (FCOM). However OMB states max speed for 90° turn is 10kt.
Otherwise, 30kt.

57
Q

When viewed from the front, which way to the engine fan blades rotate?

A

Anticlockwise (both ENG 1 & 2)

58
Q

Can you state the WARNING vs CAUTION classifications?

A
59
Q

Can you explain what a secondary, primary and independent failure is and give an example of a primary failure?

A
60
Q

Where are advisories on the ECAM shown and how are they displayed?

A
61
Q

What are the standard weights for cabin crew and pilots?

A
62
Q

When are inhibited ECAMs inhibited?

A
63
Q

What are the autoland wind limits?

A
63
Q

What are the autoland wind limits?

A
64
Q

What is the cockpit window speed limit?

A
65
Q

Taxi speed with one tyre deflated?

A
66
Q

Maximum and minimum cabin pressure differential?

A
67
Q

What are the gear limiting speeds?

A
68
Q

What are the limits on brake temperature?

A
69
Q

What are the engine start limitations?

A
70
Q

What is the maximum altitude for slats or flaps extended?

A
71
Q

What is the minimum runway width permissable?

A

A320 EZY command prep (send EZY email to full study) (27 decks)

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