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Personal commutair > Systems > Flashcards

Systems Flashcards

1
Q

Common comparison monitors

A 
ALT
-altitude differs -+ 200ft
HDG
-heading differs by -+6 
IAS
-Indicated airspeed differs by 5kts or more for longer than 2 seconds
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2
Q

ADC failure. What is lost?

A
  • airspeed
  • Altitude
  • Vertical speed
  • Autopilot defaults to basic pitch mode
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3
Q

AHRS failure. What is lost?
ADC2
SG2 MAG2
ATC2

A

-altitude
-heading (PFD)
-heading (MFD) if in MAP mode
-autopilot may not function
On the screen it says ADC2 AT2 MAG2

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4
Q

How many channels do I need for the stick shaker?

A

I need one channel operating

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5
Q

How many channels do I need for operating for the stick pusher?

A

I need two channel operating for the stick pusher

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6
Q

When is the stick pusher inhibited?

A
  • On ground (EXCEPT DURING TEST)
  • Quick disconnect button is pressed
  • Any SPS cutout button is pressed
  • below 0.5 G
  • Below 200 AGL (or less than 10 s after t/o if R.A
  • above 200KIAS
  • if at least one SPS channel is inoperative
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7
Q

SPS 1(2) INOP

A

(is a warning) Associated SPS computer channel is failed or cutout or AOA van failed or stick pusher failed

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8
Q

SPS ADVANCED

A

(is a caution) stick shaker and pusher actuation is set to higher speeds due to system component failure

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9
Q

How much fuel per tank?

A

5717 Lbs per tank

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10
Q

How many fuel boost pumps assist the engine driven pump?

A

3.
1A-1B 2A-2B are essentially powered
PUMP 1C AND 2C are DC powered

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11
Q

3 things happen when I xfeed

A
  • The associated boost pump turns ON
  • fuel xfeed valve OPEN
  • advisory message fuel Xfeed open
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12
Q

When ventral transfer would occur automatically per system logic?

A

when: 1. one of the six wing tank pumps is running. 2. Both wings has 4630pounds of gas for 30seconds

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13
Q

How many fuel pumps are on the XR?

A

12

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14
Q

during the engine start sequence when is the fuel introduced?

A

28.5%N2

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15
Q

What are the ENGINE FIRE indications

A 
Associated Fire handle illuminate
Aural warning
Master warning light 
Master warning light
An ENG1(2) FIRE EICAS message
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16
Q

What happens when the fire handle is pulled?

A

H HYDRAULIC SOV
A (air)ENGINE bleed valve
L Engine lip anti-ice valve
F Fuel SOV

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17
Q

FIRE PROTECTION AND DETECTION POWER SOURCES.

A

HOT =Engine protection
ESS= Engine detection/ APU protection/APU Detection/ Baggage protection
DC= Baggage detection/ LAV Detection
Mechanical= LAV protectioin

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18
Q

GROUND SPOILERS are on which system

A

hydraulic systemnnumber 2

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19
Q

ADC reversionary mode

A

ADC mode shall indicate ADC1 (2).

The AHRS shall indicate ATT(1)2 and MAG 1(2). MAG indication shall appear on the PFD and MFD in the HDG arc.

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20
Q

EMB 145 LR flight surface lenghts

A

wing span - 65’9’’

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21
Q

EMB 145 XR surface lenght

A

Wing Span 68’11’’

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22
Q

MAX speed

A

XR -320KIAS/ 0.80Mach

LR -0.78 Mach

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23
Q

Main Cabin door- EICAS Master warning

A

On ground- ENG1 running and not locked.

In flight Any time not locked

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24
Q

Service Door EICAS

Master Warning

A

On ground- ENG1 running and not locked.

In flight- Anytime not locked

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25
Q

Over-Wing EMERG exit EICAS

A

MASTER caution

Either OPEN

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26
Q

Bag Door Open EICAS

A

Caution

Any time open

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27
Q

Compartment Hatches Indication EICAS

A

*Caution any of the 3 doors open

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28
Q

Operation and Power of CVR

A

Essential power, Located in Rear Elec. compartment. Recording when the aircraft is powered. Records last2hrs. Cutoff at 5G impact or water submersion

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29
Q

DFDR.

A

Located in rear avionics compartment. Records past 25hrs. Begins when beacon is on OR airborne.ENDS- 5G impact or submersion in water. DFDR Fail caution=Not recording-normal before start

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30
Q

cockpit EMERG equipment

3-3
2-2
4-1

A 
3 life Vests
3 Oxygen mask
3 smoke goggles
2 scape ropes
2 Flashlights
1 PBE 
1 crash axe
1 Portable halon extinguisher
1 pair gloves
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31
Q

What recharges the Emerg Flashlight

A

Shed bus (red light is on)

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32
Q

ELT location and power

A

Ceiling of LAV. powered by own internal battery. HOT BUS 1 powers LED. Activated on 5G impact for 24hrs.

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33
Q

General electrical overview

A 
4 Gens (28V, 400A). 
1 APU starter /Generator (28V,400A) 
2 Ni-Cad Batteries (24V, 44AH)
1 Lead Acid (24V 5AH)
AC power= 115VAC single phase inverter
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34
Q

AC Powers

A

TCAS
Windshear
EGWS

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35
Q

When is the ground service bus powered?

A

When GPU is plugged in and powered. not selected, Batts OFF cabin lights work on GS bus

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36
Q

APU Start

A
  • GPU
  • Battery 2
  • Batt 2 assisted by engine driven generator
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37
Q

RULE OF 3

A

3 generators on the ground or in the air, Shed bus is powered.
1 gen on the ground, shed is powered when in OVRD mode. not in the air.
GPU avail and being used will power the shed buses

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38
Q

Rule of 4

A

at least 4 generators, EDL splits electrical in two.

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39
Q

ESSENTIAL Power

A

40 mins. gear works. flaps dont. 2 RMUs. ISIS. EICAS. NO DME., or GPS.

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40
Q

Electrical Essential transfer Fail warning

A

Master Warning. all generator fail but it does not go into essential power. NO GPS or DME in essential Power.

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41
Q

Safe Mode before doing walk around?

A

APU running, do walk around/only GPU, select batts off

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42
Q

XR Weights

A

MAX RAMP: 53,351
MAX TO: 53,131
MAX Land: 44,092
ZERO FUEL: 40,785

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43
Q

LR Weights

A

MAX RAMP: 50,044
MAX TO: 49,823
MAX Land: 43,651
ZERO FUEL: 40,564

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44
Q

Fuel

A

Usable in mains: 5617
unusable in mains: 39.
Unusable w/fuel pump inop: 365.

XR only:
Usable in Ventral 1863
unusable: 21

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45
Q

Cargo Compartment

A

2646 lbs

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46
Q

Which monitored doors are NOT pressurized?

A
  • Forward Electrical Compartment Hatch

- Fuel door

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47
Q

Which Rows have an extra 02 Mask and why:?

A

3, 7, 11, 21, 24

48
Q

GPU Available

A

The presence of GPU power has been detected. not necessarily acceptable power

49
Q

What voltage is required to select GPU?

A

26 - 29 volts

50
Q

what buses are powered in a cold airplane?

A

HOT bus 1
HOT bus 2
Back Hot bus

51
Q

What is NOT powered when are in the AUTO position?

A

Shed bus 1+2

52
Q

Voltage required for starting APU w/baterry power

A

22.5 V

53
Q

What must GPU be used to start APU? What do I do if the voltage is too low?

A

Must use GPU when battery voltage is between 19v and 22.4v. If lower then 19v then maintenance must be called.

54
Q

Where does ISIS receive its power ?

A

XR: Backup hot bus
LR: Essential BUS

55
Q

when can APU support electrical load?

A

@95% + 7sec

56
Q

which buses are powered in Essential Power?

A
  • Essential Bus 1&2
  • Hot Bus 1&2
  • Backup essential bus
  • Backup hot bus
  • Central DC BUS

(for 40mins (includes 3 APU start attempts)

57
Q

Emergency light switch controls

A 
On= On and not being charged
ARM= Lights off but batteries batteries are being charged by DC power. Loss of DC power causes lights to illuminate for 15 Mins
OFF= Lights off and they are not being charged.
58
Q

Emergency lights power source

A

4 Own dedicated batteries

59
Q

XR emergency light

A

Photoluminescent glow strips 15mins

60
Q

Power source for wing and nose lights?

A

Wing Lights = DC Bus

Nose Lights= shed bus

61
Q

Taxi lights

A

On nose, top is narrow
bottom is wide
shed bus

62
Q

Courtesy Lights power source

A

Hot battery Bus

63
Q

SIC < High min, less than 100 hrs

A

SSWWRRVV

  • Special Airports
  • Special considerations
  • Windshear
  • Wind/x >15
  • runway contaminated
  • runway braking action
64
Q

pilot qualification-recent experience

A

90 days 3 takeoff and landings.

65
Q

electrical emergency abnormal

A

Splits system in 3 parts. Batteries arent being charged.

66
Q

Turning radius

A

69’7’’

67
Q

Special airports

A
  • surrounding terrain
  • obstructions
  • complex app or departure procedure
68
Q

how many fuel pumps per wing?

A

3 electrical boost pumps

1 is capable of providing enough guel for both engines in all phases except take off and go around.

69
Q

what does the suction valve/ejector pump do?

A

Allows engine driven fuel pumps to draw adequate fuel up to 25000 with all electric fuel pumps off.

70
Q

Pumps

A

AB-ESSE
C-DC
XFEED- ESS

71
Q

Where’s the tank temp prop?

A

left fuel tank???

72
Q

What does LOW XFEED selector do?

A
  • Crossfeed valve opens
  • Pump on low side off
  • FUEL XFEED OPEN
73
Q

Electrical Fuel Indicator?

A

30 mins of fuel left

74
Q

how is the Fuel panel Powered?

A

Hot bus powered

75
Q

XFEED in XR differences?

A

ventral transfer inhibited

76
Q

When does VTRL TK XFER come on in AUTO?

A

on 4630 FOR 30 SECONDS IN BOTH WINGS

77
Q

FUEL XFER INOP

A

MASTER CAUTION. transfer is supposed to happen but it is not.

78
Q

FUEL TRANSFER CRITICAL

A

MASTER WARNING.

when any thank quantity is below 3131 lb and the ventral tank fuel quantity is above 220lbs.

79
Q

When will fuel go into ventral tank during refueling?

A

when fuel order is greater the 10,470lbs

80
Q

When will the EICAS msg clear for fuel imbalance

A

Less than 100 Lbs.

81
Q

What is in the accessory Gear box?

A

HOPEFA

  • Hydraulic pump
  • Oil pump
  • PMA
  • Engine driven Gens
  • FPMU
  • Air Turbine Starter
82
Q

What the tower shaft?

A

Runs the accesory gear box of N2

Designed to sheer if any pump fails to shutdown engine.

83
Q

How many fuel ignitors in combustion chamber?

A

2 ignitors

84
Q

Oil max and minimuns

A 
Max 12 QTS 
Minimuns
8QTS-advise maintenance
7QTS-Min for dispatch and engine start
6QTS-min after start and before TO
85
Q

FADEC fault protection

A

N1 and N2 overspeed
N2 underspeed
Hight ITT engine flameout

86
Q

DIVERT

A

DESTINATION + GOAROUND+ FURDEST ALTERNATE+ 30MIN

87
Q

Final Divert (MIN FUEL)

A

DESTINATION + GOAROUND+ FURDEST ALTERNATE+ 45MIN

88
Q

amount of time you burn your fuel in pounds per minute?

A

42 Pounds/minute

89
Q

BAR Method for holding calculations.

BurnAltRsv

A

fuel Burn to destination+
Alternate+
Reserve =Bingo Fuel (=Go to alternate)

90
Q

FADEC Communications

A

Cross channel data link

91
Q

Stick pusher

ground 0.5 disconnect 200 200 cutout

A
  • on the ground (Expt during test)
  • below 0.5g
  • quick disconnect button pressed
  • below 200’AGL
  • above 200kias
  • Any SPS cutout button is pressed
92
Q

FADEC Communication

A

Cross Channel Data link (A to B)

  • Fault protection, engine starting, ignition.
  • Inter nacelle data bus (left to right)
  • Thrust reverse arming, ATTCS
93
Q

What is ATTCS?

A

Automatic Takeoff thrust control system. If an engine fails during takeoff the ATTCS automatically

94
Q

What is the PMA and its sole source for what?

A

Permanent Magnet alternator

sole source for ignitors

95
Q

the three functions of ignition switch?

A

OFF= ignitors off..
AUTO= -FADEC controls respective ignitor
-1 ignitor during engine start on ground
-2 Ignitors during engine start in flight
-Both ignitors used during auto relight

ON= both ignitors on above 10% N2

96
Q

When do we put ignitors into ON?

A

When taking off on contaminated runway.

when starting a cold soaked engine (<5 degrees outside and shutdown for more than 90mins)

97
Q

E 1(2) ATS SOV OPEN

A

Master caution

  • Follow QRH
  • MX can manually shut after engine start with prior planning
98
Q

After start stable engine indications?

A 
24% N1
400 ITT
64% N2
300 PPH Fuel flow 
Normal oil pressure, temperature and vibrations
99
Q

When do we abort engine start?

A
  • No light off within 10 seconds of fuel flow
  • ITT approaches start limit (800)
  • N2 decreases or remains steady for more than 30s (Hung start)
  • N2 indicates no rotation up to 10s after start
  • Any unusual noises or vibrations
  • Engine instruments indicate abnormal conditions.
  • flames visible.
  • oil pressure does not reach 34PSI after engine stabilize
100
Q

EICAS Message to abort takeoff

A 
LARRI
(L)ow N1- Warning
(A)TTCS NO MRGN- Warning
(R)EV FAIL- Caution ENG 1(2) 
(R)EV Disagree- Caution ENG 1(2) 
(I)CE COND-A/I INOP- Warning.
101
Q

APU Shutdown procedure

A

Ground- for any reason

flight-for anything except for heat/fire related items

102
Q

Swing start?

A

if ignition is not detected by 30% FADEC will automatically command a restart

103
Q

where do the cockpit displays get their information?

A

IC-600 Symbol generators

104
Q

which major comparisons are made by the comparison monitor?

A

ALT= differs by -/+ 200’
HDG= +- 6 Degrees
IAS=CAS +/- 5 Kts for longer than 2s

105
Q

SPS Schematic

A

Channel 1 essential
channel 2 DC

only one channel for the shaker
need both for the pusher

106
Q

low speed awareness tape

A

white band= 1.23-1.13 vs
amber band= 1.13 -1 vs (shaker)
red band = Vs (Pusher)

107
Q

How are EICAS msg prioritized?

A

By importance then chronologically

108
Q

EICAS Message inhibition logic

A

non-critic messages inhibited on: T/O- begins: above V1-15 ends: 400ft or 1MIN

Lands- begins: Below 200’ RA ends: 1min after 200’ or weight on wheels

109
Q

How many channels does the aural warning unit have and how are they powered ?

A

there are two Channels Channel A essential

channel B DC

110
Q

Which avionics systems are essentially powered?

A
  • EICAS
  • SG1
  • ADC1
  • AHRS1
  • RMU 1&2
  • DAU 1A&2A
111
Q

What is lost during ADC failure?

A

Airspeed- Red X
ALT- Red X
VS- Red box “VS”

112
Q

Where does information come from when using the reversionary panel?

A

Opposite side SG/ADC/AHRS

113
Q

AHRS Fail

A

ATT Fail- PFD
HDG Fail- PFD
HDG Fail- MFD

114
Q

DC bus 1 fail

A

lose power to
PFD 1
MFD 1
FMS 1

115
Q

DC bus 2 fail

A

lose power to

`

Personal commutair (1 decks)

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