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AQP > Study Guide > Flashcards

Study Guide Flashcards

1
Q

What does the AVAIL light mean?

A

AVAIL switch light indicates correct voltage, frequency and phase

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2
Q

What are the sources of AC power in the CRJ 900?

A

2 engine driven generators
APU generator
1 Air driven generator (ADG)
1 AC external power Plug in

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3
Q

What does the generator control unit do?

A

Controls and monitors the generators and provides protection and voltage regulation for each generator

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4
Q

What is the main battery rated to?

A

24 volts / 17 amps

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5
Q

How long can the battery master be left on without another power source?

A

5 minutes

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6
Q

Why does the CRJ have the 5 minute limitation for the battery master?

A

Because ED1 and ED2 utilize AC cooling fans therefore will overheat after 5 minutes

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7
Q

What is an IDG and what does it do?

A

Integrated Drive Generator

Converts variable N2 to a constant 12,000 RPM

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8
Q

What are the generators rated to?

A

40 KVA, 115 VAC, 400 HZ

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9
Q

What is the APU generator rated to?

A

40 KVA, 115 VAC, 400 HZ

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10
Q

When would the ADG automatically deploy?

A

Complete loss of AC power.

AC bus 1 and AC bus 2

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11
Q

What is the ADG rated to?

A

15 KVA, 115 VAC, 400HZ

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12
Q

What does the ADG power?

A

FLash

Flaps and Slats (1/2 speed)
AC essential bus
Stab trim Channel 2
Hydraulic pump 3B

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13
Q

What would cause the FAULT light on the IDG to illuminate?

A

HOTLOP

High oil temp and/or low oil pressure

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14
Q

What will cause the AC ESS XFER switch light to illuminate?

A

Anytime the AC essential bus is not being powered by AC BUS 1

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15
Q

What is the priority for the Auto XFER?

A

On side generator
APU
Offside generator
External power

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16
Q

What would cause the FAIL light to illuminate on the AUTO XFER switch light?

A

The GCU has detected a bus fault or a generator over current

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17
Q

When the LH or RH ENG FIRE PUSH switch lights are selected, what happens?

A

(Fuck Harry, Bertha Got Squibs)

Fuel SOV closes 
HYD SOV closes 
Bleed Air SOV closes 
Generator is taken offline 
Squibs are armed
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18
Q

What happens if a crew member selects the L HYD SOV?

A

The left HYD SOV closes and the flow of hydraulic fluid is shut off to the engine driven pump (EDP)

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19
Q

How many hydraulic systems does the CRJ 900 have?

A

3 independent systems

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20
Q

What is the hydraulic system normal pressure?

A

3000 psi

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21
Q

What is the normal hydraulic fluid quantity?

A

45-85%

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22
Q

During normal cruise flight, how many pumps would be operating?

A

3 hydraulic pumps

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23
Q

What would cause the backup (B) pumps to turn on?

A

Flaps greater than 0

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24
Q

What lighting should be on when instructed to “line up and wait?”

A

All lights except landing and taxi lights

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25
What would cause a boost pump to automatically turn on?
Low fuel pressure at the main ejector
26
In AUTO mode, when would the system begin to transfer fuel?
Imbalance of more than 200 lbs
27
When will the system stop transferring fuel?
When the fuel tanks are balanced plus 50 lbs
28
What would cause the GRAVITY XFLOW FAIL light to illuminate?
The gravity crossflow valve is in the uncommanded position
29
How many fuel pumps does the CRJ 900 have?
5 total 2 engine driven 2 boost pumps 1 APU pump
30
What is the max fuel imbalance for takeoff?
300 lbs
31
What is the max imbalance for all other phases of flight?
800 lbs
32
What would cause the fuel SOVs to close?
The engine fire push switch
33
After selecting the APU PWR FUEL switch, what must the crew observe prior to selecting the START/STOP switch?
APU SOV OPEN status message APU IN BITE status message APU RPM and EGT gauges are displayed APU DOOR OPEN message is displayed
34
When will the APU AVAIL light illuminate?
At 99% RPM plus 2 seconds
35
What is the max altitude for operating the APU?
FL 410
36
What is the max altitude to start the APU?
FL 370
37
What is the max altitude for bleed air extraction?
FL 250
38
If the APU door is open or the position is unknown with the APU not operating, what airspeed is the crew restricted to?
220 kts
39
What APU exhaust hazard area exists for the CRJ900?
None, due to the height of the exhaust
40
Where does the APU receive its fuel from?
Left collector tank
41
In the event that the APU pump fails, will the APU continue to operate?
Yes, if the APU pump fails an internal bypass valve opens
42
How much voltage must batteries have prior to start attempt?
22 volts on each battery
43
If there is a fire in the APU, what prevents/contains the fire from spreading to the other areas?
The APU Is surrounded by a titanium fire proof container
44
In the event of an emergency and the crew is not present, how can the ground crew shut down the APU?
APU shut off switch on external panel
45
What would happen if the APU caught fire and the aircraft was unattended?
The APU will automatically shut down and the APU bottle will discharge after 5 seconds
46
What would happen if the APU caught fire in flight?
The APU ECU will shut down but the crew must discharge the bottle
47
What are the engine starter limitations?
Attempts 1 & 2: 90 seconds ON, 30 seconds OFF Attempts 3 through 5: 90 seconds ON, 5 minutes OFF
48
What are the HOT start memory items?
Affected Thrust Lever- Shut off Dry motor- until ITT below 120 or starter limit, whichever is first Affected Engine, ENG stop switch- STOP
49
When must continuous ignition be used?
Takeoff & landing on contaminated runways Moderate or heavy rain Moderate or greater turbulence Vicinity of thunderstorms
50
How can the crew set Go Around Thrust?
TOGA
51
How can the crew set max continuous thrust?
Climb
52
How can the crew set APR thrust?
Max power
53
What speed must the thrust reversers he idle power?
60 kts
54
Why does the CRJ 900 have the 60 kt limitation for the thrust reverser stowage?
FOD ingestion hazard
55
When do icing conditions exist on the ground?
OAT is 10 degrees Celsius or below and visible moisture is present or surface contamination exists
56
What visibility would be considered visible moisture?
1 SM or less
57
When do icing conditions exist in the air?
TAT is 10 degrees Celsius of below and visible moisture is present; except when SAT is less than -40 degrees Celsius
58
What is bleed air used for in the CRJ900?
``` Engine start Anti ice Pressurization Air conditioning Avionics cooling ```
59
What stage of the engine normally supplies bleed air?
The 6th stage
60
What happens when there is a higher demand for bleed air than that stage is capable of producing?
The HPV opens to supply 10th stage bleed air
61
What PSI does the pressure regulating function limit the bleed air output to the packs?
45 psi
62
At what cabin altitude would we receive the cabin altitude CAUTION?
Cabin altitude > 8,500
63
When would we receive the Cabin Altitude WARNING?
Cabin Altitude > 10,000
64
How can the crew manually decrease cabin altitude?
Select PRESS CONTROL to MAN MAN ALT ON Adjust MAN RATE to desired rate
65
How many pressure controllers does the CRJ900 have?
2; PC1 and PC2
66
Do both pressure controllers operate at the same time?
No
67
How is it determined which PC is used?
WOW + 3 minutes | Or if 1 PC fails, the other will take over
68
When EMER DEPRESS is selected, what happens to the aircraft’s pressurization?
The aircraft will depressurize to 14,500 +/- 500’
69
What would cause a pack fault?
Over pressure or over temp
70
What is the single pack limitation?
FL 250
71
What is the maximum altitude to select RAM AIR?
15,000’
72
How can the crew manually cool down the cabin?
MAN switch, then toggle hot or cold
73
When must the CARGO COND AIR be selected ON?
When live animals are in the AFT Cargo
74
Which side of the mixing manifold does the RAM air supply air to?
Right side of the mixing manifold
75
Which of the cargo bays are pressurized?
Both forward and aft
76
Can we carry live animals in both cargo bays?
No, aft only.
77
What is the AFT cargo weight limitation?
4375 lbs
78
What is the FWD cargo weight limitation?
850 lbs each
79
What is the cargo floor loading limitation?
75lbs per sq ft
80
What can de done if an item exceeds the cargo floor loading limitation?
Pallet the item with a displacer
81
If we are flying at 250kts, temperature is 3C, in the clouds, there is No “ICE” annunciated, what should be on?
Cowls
82
What airspeed determines wing anti ice usage?
230 kts
83
Which hydraulic system is used for landing gear extension and retraction?
3
84
Which hydraulic system is used for alternate landing gear extension?
2
85
What is the max speed for landing gear retraction?
200 kts
86
What is the max speed for landing gear extension?
220 kts
87
What is the max tire speed?
195 kgs
88
After type 4 fluid has been applied, if needed for taxi, which anti ice system should be on?
Only cowls
89
What are the effects of ice and front contamination?
Increased weight Loss of lift Increased drag Loss of control
90
If we are flying into an uncontrolled airport at night, how will be turn on the runway lights?
Click the mic. 3- low 5- medium 7- high
91
What is the lowest reported RVR required to initiate a CAT II approach?
1200 RVR
92
When setting up for a CAT II approach what is the decision height determined by?
Radar altimeter
93
What is the lowest visibility required for takeoff per Mesa opspecs?
500 RVR
94
What is the lowest visibility for an FO to conduct a takeoff?
1 SM
95
When do you need an alternate?
+/- 1 hour ETA Ceiling is less than 2000’ And visibility less than 3 SM
96
How many RVR reporting systems are required for a 500 RVR takeoff?
Minimum of 2
97
Max crosswind?
35 takeoff | 32 landing
98
Is the crosswind a limitation?
No
99
Max tailwind for takeoff and landing?
10 kts

AQP (1 decks)

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