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MCC > A320 technical questions > Flashcards

A320 technical questions Flashcards

chapter 7

1
Q

how many planes in the A320 family

A

4 - a318,19,20,21

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2
Q

how often does an a320 take off or land

A

1.6 seconds

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3
Q

what are the golden rules based off of

A

basic flying principles

adaption of basic flying principles to modern tech aircraft

the provision of info and the required crew coordination when operating not just airbus but any commercial aircraft.

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4
Q

what is a further objective of the golden rules

A

offer guidance on flight crew interactions with complex systems and to deploy some of the fundamental principles of CRM to ensure flight efficiency and to try and help prevent incidents becoming accidents

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5
Q

when was a320 first introduced and flew

A

march 1984, 22 February 1987

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6
Q

how many passenger can it accommodate

A

150-186

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7
Q

powered by what engines

A

2 CFM or IAE engines located under the wings. LE uses CFM engines

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8
Q

what technology does A320 use

A

fly by wire

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9
Q

how does fly by wire work

A

controls the flight controls by digital inputs.
pilot controls the side stick which feeds the inputs to various flight control computer which in turn control the surfaces

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10
Q

what else does fly by wire offer

A

many flight envelope protections by preventing pilots from being able yo put the ac in configs or attitudes that are undesirable eg stall

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11
Q

what does the control law in use determine

A

the handling characteristics of the ac

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12
Q

what are the 4 control laws

A

normal alternate direct and mechanical backup
each has a varying degree of built in protections

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13
Q

describe the CFM jet turbine engines

A

high bypass ratio engines and are monitored by a full authority digital engine control (FADEC)

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14
Q

what is FADEC

A

a digital control system that performs complete engine management and monitoring

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15
Q

how many continuous operating hydraulic systems in the a320

A

3

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16
Q

what are the 3 colours of the hydraulic system and what does each system have

A

green, blue and yellow and own hydraulic reservoir

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17
Q

what is the normal hydraulic operating pressure

A

3000psi

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18
Q

what is the idea behind the multiple hydraulic systems

A

redundancy - each controlling different aspects of the ac.
If an issue arises with certain components of the yellow or green system, the other remaining system can power both to maintain serviceability via a power transfer unit (PTU)

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19
Q

what does the electrical system comprise of

A

three phase 115/400Hz constant frequency AC system and a 28V DC system

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20
Q

how does the ac provide power in normal operation

A

provides AC power from 2 engine driven generators and 1 Auxiliary power unit (APU) generator

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21
Q

what can each generator provide

A

electrical power to all the electrical bus bars

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22
Q

is AC power converted to DC

A

yes for certain functions

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23
Q

what happened if the normal generation of AC power is not available

A

a emergency back up generator that can provide some ac power to essential systems

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24
Q

how do the main landing gears retract

A

inboard

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25
Q

how does the nose landing gear retract

A

forwards

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26
Q

when are the landing gear doors open

A

only when the gear is extending and retracting

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27
Q

what happens if the ac loses hydraulic or electrical power for landing gear

A

a hand crank allows the flight crew to extend the landing gear via gravity

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28
Q

what are the two types of autopilot and flight director modes

A

managed modes and selected modes

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29
Q

managed modes

A

steers the ac along the lateral, vertical and speed profiles.
according to the data the pilot inserts into the multi functional control display unit (MCDU).
flight management (in the flight management and guidance computer) computes the corresponding guidance targets

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30
Q

selected modes

A

steers the ac according to the target values the pilot selects and the FCU display

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31
Q

flap limitations - flap lever position 0

A

max speed VMO/MMO
flight phase cruise

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32
Q

flap limitations - flap lever position 1
config on slat/flap display 1

A

max speed 230kt
flight phase holding

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33
Q

flap limitations - flap lever position 1
config on slat/flap display 1 + F

A

215kt
take off

34
Q

flap limitations - flap lever position 2
config on slat/flap display 2

A

200kt
take off/ approach

35
Q

flap limitations - flap lever position 3
config on flap/slat display 3

A

185kt
take off / approach / landing

36
Q

flap limitations - flap lever position full
config on slat/flap display full

A

177kt
landing

37
Q

VLE - max speed with LG extended

A

280kt / M0.67

38
Q

VLO extension

A

250kt / M0.6

39
Q

VLO retraction

A

220kt / M0.54

40
Q

max demonstrated crosswind (TO / landing)

A

38kt gusts included

41
Q

max tailwind for take off

A

15kts

42
Q

max tailwind for landing

A

10kt

43
Q

MZFM

A

61000kg

44
Q

MTOW

A

73500kg

45
Q

MLW

A

64500kg

46
Q

Max taxi weight MTM

A

73900kg

47
Q

VMO

A

350kts

48
Q

MMO

A

M 0.82

49
Q

pitch power datum weight 60,000kg ISA conditions
speed - 300kts

A

clean, FL150, pitch 1.5 NU, 2 engines 70%

50
Q

pitch power datum weight 60,000kg ISA conditions
speed - 250kt

A

clean, FL60, 3NU, 2 eng 58%

51
Q

pitch power datum weight 60,000kg ISA conditions
speed - green dot

A

clean, 3000ft, 6NU, 2 eng 54%, 1 eng 70%

52
Q

S speed

A

F1, 3000ft, 7NU, 55%, 72%

53
Q

pitch power datum weight 60,000kg ISA conditions
speed - Vapp full

A

FFULL, G/Slope, 3NU, 51%, 68%

54
Q

pitch power datum weight 60,000kg ISA conditions
speed - Vapp

A

F3, G/Slope, 5NU, 47%, 63%

55
Q

where does the flight mode annunciator (FMA) appear

A

top of the PFD, across 5 columns and 3 lines

56
Q

what does a change to the flight control unit (FCU) prompt

A

change in the FMA on the PFD

57
Q

what appears once a FMA has changed

A

a white box will appear around the new FMA for 10 seconds

58
Q

what are the colours and their meanings of the FMA

A

green - active
blue - armed
white - active/state

59
Q

FMA 1st column

A

auto thrust operation

60
Q

FMA 2nd column

A

vertical guidance mode

61
Q

FMA 3rd column

A

lateral guidance mode

62
Q

FMA 4th column

A

approach capability

63
Q

FMA 5th column

A

AP, FD and A/THR engagement status

64
Q

what do the 3 columns to the left show

A

active odes in green ion the top line
armed modes on second line
special messages on third line

65
Q

what does the fourth column show

A

approach capabilities in white on top line
DH or MDA/MDH in blue on second line

66
Q

what does the fifth column show

A

engagement of the AP on the top line
FD engagement on the second line
A/THR status on the third line

67
Q

what re modes with an asterisks * after them

A

capture modes - appear when. mode is being captured and entered into

68
Q

what are the combined modes between column 2 and 3

A

land
flare
roll out
final app

69
Q

what is the airbus dark cockpit concept

A

concept for the overhead panel (OHP) makes it simple and quick to identify faults or failures
if ac is fully serviceable then OHP does not have any white lights illuminated

70
Q

how is the OHP laid out

A

cascade system panel arrangement making for a logical flow that helps minimise error when selecting systems and managing failures

71
Q

how are system panels labelled on the OHP

A

in white on the top or side of the panel for ease of finding the correct system and switch/indication/ push button (p/b)

72
Q

state of lights and information provided on display units are colour coded to indicate the status of the system or the nature of the info as follows - lights out

A

lights out - normal operation, config

73
Q

state of lights and information provided on display units are colour coded to indicate the status of the system or the nature of the info as follows - white off light

A

white off light - system deactivated

74
Q

state of lights and information provided on display units are colour coded to indicate the status of the system or the nature of the info as follows - white on light

A

white on light - system activated

75
Q

state of lights and information provided on display units are colour coded to indicate the status of the system or the nature of the info as follows - blue on light

A

blue on light - temporarily selected switch

76
Q

state of lights and information provided on display units are colour coded to indicate the status of the system or the nature of the info as follows - green avail light

A

green avail light - applicable system status

77
Q

airbus design philosophy colour codes - red

A

config or failures requiring immediate action

78
Q

airbus design philosophy colour codes - amber

A

config or failures requiring awareness but not immediate action

79
Q

airbus design philosophy colour codes - green

A

normal ops: memo
info in a procedure or on STATUS page
PFD active modes

80
Q

airbus design philosophy colour codes - white

A

title in menu
conditional items

81
Q

airbus design philosophy colour codes - blue

A

actions to be carried out
limitations
PFD armed modes

MCC (5 decks)

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