Systems Flashcards
(115 cards)
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
2
Q
ADC failure. What is lost?
A
- airspeed
- Altitude
- Vertical speed
- Autopilot defaults to basic pitch mode
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
4
Q
How many channels do I need for the stick shaker?
A
I need one channel operating
5
Q
How many channels do I need for operating for the stick pusher?
A
I need two channel operating for the stick pusher
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
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
8
Q
SPS ADVANCED
A
(is a caution) stick shaker and pusher actuation is set to higher speeds due to system component failure
9
Q
How much fuel per tank?
A
5717 Lbs per tank
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
11
Q
3 things happen when I xfeed
A
- The associated boost pump turns ON
- fuel xfeed valve OPEN
- advisory message fuel Xfeed open
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
13
Q
How many fuel pumps are on the XR?
A
12
14
Q
during the engine start sequence when is the fuel introduced?
A
28.5%N2
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
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
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
18
Q
GROUND SPOILERS are on which system
A
hydraulic systemnnumber 2
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.
20
Q
EMB 145 LR flight surface lenghts
A
wing span - 65’9’’
21
Q
EMB 145 XR surface lenght
A
Wing Span 68’11’’
22
Q
MAX speed
A
XR -320KIAS/ 0.80Mach
LR -0.78 Mach
23
Q
Main Cabin door- EICAS Master warning
A
On ground- ENG1 running and not locked.
In flight Any time not locked
24
Q
Service Door EICAS
Master Warning
A
On ground- ENG1 running and not locked.
In flight- Anytime not locked
25
Over-Wing EMERG exit EICAS
MASTER caution
| Either OPEN
26
Bag Door Open EICAS
Caution
| Any time open
27
Compartment Hatches Indication EICAS
*Caution any of the 3 doors open
28
Operation and Power of CVR
Essential power, Located in Rear Elec. compartment. Recording when the aircraft is powered. Records last2hrs. Cutoff at 5G impact or water submersion
29
DFDR.
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
30
cockpit EMERG equipment
3-3
2-2
4-1
```
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
```
31
What recharges the Emerg Flashlight
Shed bus (red light is on)
32
ELT location and power
Ceiling of LAV. powered by own internal battery. HOT BUS 1 powers LED. Activated on 5G impact for 24hrs.
33
General electrical overview
```
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
```
34
AC Powers
TCAS
Windshear
EGWS
35
When is the ground service bus powered?
When GPU is plugged in and powered. not selected, Batts OFF cabin lights work on GS bus
36
APU Start
- GPU
- Battery 2
- Batt 2 assisted by engine driven generator
37
RULE OF 3
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
38
Rule of 4
at least 4 generators, EDL splits electrical in two.
39
ESSENTIAL Power
40 mins. gear works. flaps dont. 2 RMUs. ISIS. EICAS. NO DME., or GPS.
40
Electrical Essential transfer Fail warning
Master Warning. all generator fail but it does not go into essential power. NO GPS or DME in essential Power.
41
Safe Mode before doing walk around?
APU running, do walk around/only GPU, select batts off
42
XR Weights
MAX RAMP: 53,351
MAX TO: 53,131
MAX Land: 44,092
ZERO FUEL: 40,785
43
LR Weights
MAX RAMP: 50,044
MAX TO: 49,823
MAX Land: 43,651
ZERO FUEL: 40,564
44
Fuel
Usable in mains: 5617
unusable in mains: 39.
Unusable w/fuel pump inop: 365.
XR only:
Usable in Ventral 1863
unusable: 21
45
Cargo Compartment
2646 lbs
46
Which monitored doors are NOT pressurized?
- Forward Electrical Compartment Hatch
| - Fuel door
47
Which Rows have an extra 02 Mask and why:?
3, 7, 11, 21, 24
48
GPU Available
The presence of GPU power has been detected. not necessarily acceptable power
49
What voltage is required to select GPU?
26 - 29 volts
50
what buses are powered in a cold airplane?
HOT bus 1
HOT bus 2
Back Hot bus
51
What is NOT powered when are in the AUTO position?
Shed bus 1+2
52
Voltage required for starting APU w/baterry power
22.5 V
53
What must GPU be used to start APU? What do I do if the voltage is too low?
Must use GPU when battery voltage is between 19v and 22.4v. If lower then 19v then maintenance must be called.
54
Where does ISIS receive its power ?
XR: Backup hot bus
LR: Essential BUS
55
when can APU support electrical load?
@95% + 7sec
56
which buses are powered in Essential Power?
- 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
Emergency light switch controls
```
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
Emergency lights power source
4 Own dedicated batteries
59
XR emergency light
Photoluminescent glow strips 15mins
60
Power source for wing and nose lights?
Wing Lights = DC Bus
| Nose Lights= shed bus
61
Taxi lights
On nose, top is narrow
bottom is wide
shed bus
62
Courtesy Lights power source
Hot battery Bus
63
SIC < High min, less than 100 hrs
SSWWRRVV
- Special Airports
- Special considerations
- Windshear
- Wind/x >15
- runway contaminated
- runway braking action
64
pilot qualification-recent experience
90 days 3 takeoff and landings.
65
electrical emergency abnormal
Splits system in 3 parts. Batteries arent being charged.
66
Turning radius
69'7''
67
Special airports
- surrounding terrain
- obstructions
- complex app or departure procedure
68
how many fuel pumps per wing?
3 electrical boost pumps
| 1 is capable of providing enough guel for both engines in all phases except take off and go around.
69
what does the suction valve/ejector pump do?
Allows engine driven fuel pumps to draw adequate fuel up to 25000 with all electric fuel pumps off.
70
Pumps
AB-ESSE
C-DC
XFEED- ESS
71
Where's the tank temp prop?
left fuel tank???
72
What does LOW XFEED selector do?
- Crossfeed valve opens
- Pump on low side off
- FUEL XFEED OPEN
73
Electrical Fuel Indicator?
30 mins of fuel left
74
how is the Fuel panel Powered?
Hot bus powered
75
XFEED in XR differences?
ventral transfer inhibited
76
When does VTRL TK XFER come on in AUTO?
on 4630 FOR 30 SECONDS IN BOTH WINGS
77
FUEL XFER INOP
MASTER CAUTION. transfer is supposed to happen but it is not.
78
FUEL TRANSFER CRITICAL
MASTER WARNING.
| when any thank quantity is below 3131 lb and the ventral tank fuel quantity is above 220lbs.
79
When will fuel go into ventral tank during refueling?
when fuel order is greater the 10,470lbs
80
When will the EICAS msg clear for fuel imbalance
Less than 100 Lbs.
81
What is in the accessory Gear box?
HOPEFA
- Hydraulic pump
- Oil pump
- PMA
- Engine driven Gens
- FPMU
- Air Turbine Starter
82
What the tower shaft?
Runs the accesory gear box of N2
| Designed to sheer if any pump fails to shutdown engine.
83
How many fuel ignitors in combustion chamber?
2 ignitors
84
Oil max and minimuns
```
Max 12 QTS
Minimuns
8QTS-advise maintenance
7QTS-Min for dispatch and engine start
6QTS-min after start and before TO
```
85
FADEC fault protection
N1 and N2 overspeed
N2 underspeed
Hight ITT engine flameout
86
DIVERT
DESTINATION + GOAROUND+ FURDEST ALTERNATE+ 30MIN
87
Final Divert (MIN FUEL)
DESTINATION + GOAROUND+ FURDEST ALTERNATE+ 45MIN
88
amount of time you burn your fuel in pounds per minute?
42 Pounds/minute
89
BAR Method for holding calculations.
| BurnAltRsv
fuel Burn to destination+
Alternate+
Reserve =Bingo Fuel (=Go to alternate)
90
FADEC Communications
Cross channel data link
91
Stick pusher
ground 0.5 disconnect 200 200 cutout
- 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
FADEC Communication
Cross Channel Data link (A to B)
- Fault protection, engine starting, ignition.
- Inter nacelle data bus (left to right)
- Thrust reverse arming, ATTCS
93
What is ATTCS?
Automatic Takeoff thrust control system. If an engine fails during takeoff the ATTCS automatically
94
What is the PMA and its sole source for what?
Permanent Magnet alternator
sole source for ignitors
95
the three functions of ignition switch?
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
When do we put ignitors into ON?
When taking off on contaminated runway.
when starting a cold soaked engine (<5 degrees outside and shutdown for more than 90mins)
97
E 1(2) ATS SOV OPEN
Master caution
- Follow QRH
- MX can manually shut after engine start with prior planning
98
After start stable engine indications?
```
24% N1
400 ITT
64% N2
300 PPH Fuel flow
Normal oil pressure, temperature and vibrations
```
99
When do we abort engine start?
- 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
EICAS Message to abort takeoff
```
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
APU Shutdown procedure
Ground- for any reason
| flight-for anything except for heat/fire related items
102
Swing start?
if ignition is not detected by 30% FADEC will automatically command a restart
103
where do the cockpit displays get their information?
IC-600 Symbol generators
104
which major comparisons are made by the comparison monitor?
ALT= differs by -/+ 200'
HDG= +- 6 Degrees
IAS=CAS +/- 5 Kts for longer than 2s
105
SPS Schematic
Channel 1 essential
channel 2 DC
only one channel for the shaker
need both for the pusher
106
low speed awareness tape
white band= 1.23-1.13 vs
amber band= 1.13 -1 vs (shaker)
red band = Vs (Pusher)
107
How are EICAS msg prioritized?
By importance then chronologically
108
EICAS Message inhibition logic
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
How many channels does the aural warning unit have and how are they powered ?
there are two Channels Channel A essential
| channel B DC
110
Which avionics systems are essentially powered?
- EICAS
- SG1
- ADC1
- AHRS1
- RMU 1&2
- DAU 1A&2A
111
What is lost during ADC failure?
Airspeed- Red X
ALT- Red X
VS- Red box "VS"
112
Where does information come from when using the reversionary panel?
Opposite side SG/ADC/AHRS
113
AHRS Fail
ATT Fail- PFD
HDG Fail- PFD
HDG Fail- MFD
114
DC bus 1 fail
lose power to
PFD 1
MFD 1
FMS 1
115
DC bus 2 fail
lose power to
| `
