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Atr 42 study > Aircraft Gen > Flashcards

Aircraft Gen Flashcards

1
Q

Blah

A

Blah

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2
Q

What is the wing span of the 42

A

80’7”

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3
Q

WhT is the length of the 42

A

74’4

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4
Q

What is the ht. Of the 42

A

25 ‘

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5
Q

What is the wing tip ht.

A

12’

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6
Q

What is the turning radius of the wing

A

57’

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7
Q

What is the minimum taxiwAy width to do 180 turn

A

58’

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8
Q

What hatches are monitored with micro switches

A 
Fed avionics 
Fed caerog
Over head emerg
Aft cargo
Capt comm
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9
Q

Under what conditions will You get a SC on the doors warning

A

?cabin an cargo on Cl1
Svce and fwd compt c 2

Out of FTR or FSO

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10
Q

What powers the beacon

Light

A

D.C. Svce bus

And D.C. 1 bus

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11
Q

What powers the NAv lights

A

D.C. Service bus

D.C. Bus 1

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12
Q

What powers the strob lights

A

ACW 1 and 2

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13
Q

What power the logo light

A

D.C. Service bus

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14
Q

WhT powers the taxi and TO lights

A

D.C. Bus 1 and ACW bus 2

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15
Q

What powers the. Landing

Lights

A

ACW 1 and 2

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16
Q

What powers the wing lights

A

D.C. Bus 2

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17
Q

WhAt powers the overhead back lighting

A

ACW

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18
Q

WhRt powers the annunciation lihght test

A

D.C. Stby bus

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19
Q

What does the stormy lights consist of

A

7 incandescent bulbs
Including 1 overhead
And 2 flouescent

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20
Q

What is the storm light power source

A

D.C. Bus 1

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21
Q

What 4 lights work in basic mode

A

3 I can food
1 overhead
FO dome
Stby compass

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22
Q

Use of flight seat alignment Indic

A

Used especially when performing low visibility approach

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23
Q

A push button illuminated green Indic

A

Backup or alternate

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24
Q

What are the basic parameters of the crew alerting system

A

1 alert the crew
2 I’d without ambiguity
3 direct without confusion

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25
Q

What are the four levels of alert

A

0- info blue green or white
1-advisory no chime
2- caution mc, Sc, amber local
3 warning- Crc, cap, or specific aural warning

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26
Q

What does the clear button do

A

Clears only level 2

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27
Q

What does the recall button do

A

Recalls all alerts as long as they are active

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28
Q

What does the TO inhibit do

A

Inhjibits all level 2 except EFIS conp and all smokes

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29
Q

When is TO inhibit cancelled

A

Gear up lock for retraction

Pressing RCL

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30
Q

What does the EMERGENCY audio cancel do

A

CNcells nuisance alarms

Returns at next AC power up

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31
Q

What alarms are not cancelled by the emergency audio

A

Gear not down
Vmo gear and flap OS
STALL warning
Pitch trim whoolerr

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32
Q

In regards to landing gear when can the gear alarm be cancelled

A

Gear not down and locked on 2
On pl at FI
RA < 509 ft

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33
Q

What is the normal pusher activation persmeter

A

15 degrees AIA

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34
Q

When is the pusher inhibitors

A

On ground or 10 sec Fter to

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35
Q

What is the normal shacker AOA

A

12.5

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36
Q

What is the shacker AOA on To with horn heat selected

A

8.5 AIA

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37
Q

What is the iceing AOA in flt and when

A

7.5 5 minutes or flaps up

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38
Q

The lamps within each MW flasher are powers

A

D.C. Ess and D.C. Bus 1

39
Q

When will you get a pusher/shaker fault

A

4 degree diff in Alpha probs

40
Q

What protection does the GCU provide

A 
O/u voltage
O/u speed
Diff fault
Gen overload
Power fault current limit
Bus tie lock out
Reverse current
Unequal load
41
Q

What kind of battery in the. 42

A

Slab 24 volt
40 ah main
18 ah emergency

42
Q

What GCU protection will auto reset

A

An under speed

43
Q

What action will close the contractor on the ground handling bus

A

1 cargo door control
2 refueling panel
3active if 2 minute lights
4 active of Aux Hyde pump

44
Q

What does the battery override posn do

A

Overrides respective battery protections

45
Q

How many bus tie contractors does the AC bus tie close

A

2 buss tie contractors

46
Q

How many ACW busses are there

A

3 ACW 1/2 and ACW service buss

47
Q

What is the 200 volt side of ACW used for

A

Fed windshield heat

48
Q

What N p active ACW

A

70.8 Np

49
Q

How can you reset an AC

Bus tie falt

A

Reset The DC bus tie contact

50
Q

Is there a CASS warning for failure of either 26vac or stby AC busses

A

No

51
Q

If you get an AC bus fault , why do you wait 10 seconds before doing anything

A

To see if it is associated with an inverter fault

52
Q

During an opposite engine start without GPU, what is the the amp load on the running gen before the second engine can be started

A

350 amps

53
Q

What 4 things does the GPU BPCU protect four

A

Over volt 33.5
Undervoltage < 24.5
Excess current 1450 during start
Correct polarity

54
Q

What. Is on the RGB

A 
Pcu 
Oil pump
Overspeed gov
Prop brake
ACW gen
55
Q

What is on the accessories

Gear box

A

Fuel pump
Oil pumps
S starter generator DC

56
Q

What does the ecu do

A

Controls a tq. Motor in the HMU

57
Q

When will the ATPCS fire

A

When tq. Indic reads below 21%

58
Q

What is pitch lock

A

Changes prop angle 1•

But can still feather

59
Q

What is LOW Pitch

A

Prop angle 20 or less

With flashing level 2 in the air and steady level one on ground

60
Q

What is fail fix function

A

If pm is in TO off should have no roll back of power if an ECU faults

61
Q

What does power management do?

A

Set mode of ops for TQ limits displayed by the TQ indicators anber bugs

62
Q

How will you know if DC Ess or the emergency bus

Has failed

A

Look at relavant instruments

63
Q

What 3 times will the electric fuel pumps operate automatically

A

1 selected on and fuel pressure drops below 8.5 psi

2 when Low level lights go on 352 lbs

3 when x feed is opened

64
Q

What is on the accessory gear box FOS

A

Fuel pump (hp)
Oil pump
Starter gen

65
Q

What is on the RGB

Poopa

A 
Pcu
Overspeed gov
Oil pump
Prop brake (rt engine)
ACW generator
66
Q

What does the SCU do

A

Senses TQ by diff in two shafts and sends signal to ATPCS

67
Q

Does the electric pump have anything to do with the jet pump

A

No

68
Q

What does the Fuel clog

Illuminated indicate

A

Diff in fuel press across the filter on the Hp pump

69
Q

What are the parameters to set the prop brake

A 
Wow
Rt CL ft FSO
Blue system 2900
Gust looks engaged 
Switch in correct posn
70
Q

What are the 3 prop controls modes

A

Fuel governor
Blade angle gov
Transition mode

71
Q

How is ATPCS armed

A 
Airplane on ground 
TQ 53% or greater
PL 56*
Control in TO (pwr mgt)
Switch On green light
72
Q

How does ATPCS fire

A

TQ drop below 21%

73
Q

When will the pack valve close auto

A

Loss of elec
Overheat down stream of PAC this is not Indic
Bleed leak or overheat

74
Q

What does a recirculated fan fault mean

A

Low fan speed

Or fan motor overheating

75
Q

What does a exhaust mode fault Indic

A

Fan has failed or overheated

76
Q

What is the avionics vent

Fault light logic

A

On ground engine 1 not running (low oil) OVBD valve not fully open

Or in air or on ground 1 running OVBd
Valve not fully closed unless commanded

77
Q

When will the avionics mode fault

A

1 stops for 120 seconds during start

After 10 s fan failure or overheat

78
Q

What power source is the

CBin altimeter on

A

DC emergency

79
Q

What is the emergency return function if the automatic controller

A

Up to 3500 can return back to departure airport

80
Q

What is the prop heat cycle time above -10

A

70 second total
40s on 30 s off
10 sec per pair

81
Q

What is the prop cycle time less than -10

A

83 seconds total
80 seconds on 3 sec off
Each pair heats for 20 seconds

82
Q

What are the teo boot cycles

A

60 seconds and 240 seconds
Still just 30 seconds total
Engine wing horns and stab

83
Q

What are the engine parameters for normal start

A

ITT 380
Nh 66%
Ff 180 lb/ HR

84
Q

When will the aux hydraulic pump run automatically

A 
At least one engine runnig
Gear lever in down pan
Prop brake not engaged 
DC bus 2 powered
Blue main pump output below 1500

1,2,PBG

85
Q

What does an hydraulic

Pump overheat indicate

A

Temp of hydraulic fluid in the pump case drain is excessive

86
Q

What does illumination

If a hydraulic LO PR light indicate

A

Pressure below 1500 psi

87
Q

How many emergency brake applications will you have with a total hydraulic failure

A

6 full applications (at least)

88
Q

What is the total hydraulic

Fluid reservoir capacity

A

About 2.5 gal

89
Q

How much hydraulic fluid is available if you are down to one system due to a leak on the opposite system

A

About 1 gallon

90
Q

Compared to the main hydraulic pump, what is the flow rate of the aux hydraulic pump

A

About 1/3 of the main pump

91
Q

Will the hydraulic cross feed close automatically close

With a LO. LVL light

A

Yes

92
Q

On the ground, when is the anti skid test inhibited

A

Above 17 k

93
Q

What happens when you pull a fire handle

BADFES

A 
Bleed (eng)&amp; Hp valve cls
ACW and DC gens deacti
D ice valve &amp; ISO valve cls
Feather (prop)
Engine LP valve close
Squibs arm
94
Q

In regards to the Dutch and dump valve, which switch only works in auto mode

A

Dump only

Atr 42 study (4 decks)

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