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747-400F Oral > Misc > Flashcards

Misc Flashcards

1
Q

How many Halon fire extinguishers

A

3

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2
Q

How many positive pressure relief valves and location?

A

2
forward of left wing

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3
Q

When does supernumerary oxygen activate (switch NORM)?

A

~ 14,000’

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4
Q

Wind limitation with cargo door open

A

65kts

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5
Q

How is emergency lighting powered

A

Remote batteries - charged by DC bus 4
15 mins duration

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6
Q

Can you operate one outflow valve in manual and one in auto?

A

Yes, they are independent

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7
Q

What does bank limit selector in AUTO command and depend on

A

varies between 15-25 degrees
depends on TAS, flap position, V2

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8
Q

Name some items on Main Standby bus

A

Essentially everything captain needs to fly airplane:
- LEFT EIU, CDU, ILS, VOR, ADC, XPDR, EFIS control
- Primary EICAS, RMI, STBY Instrument Lights
- STBY Ignition for all Engines (used if no AC power available)
- Various Flight Control Components

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9
Q

Name some items on Ground Handling Bus

A

What ground handlers would need to access aircraft without crew:
- Lower Cargo Doors
- Lower Cargo Handling Equipment
- Lower Cargo Lights
- Fuelling System’
- Aux HYD Pump 4

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10
Q

Max total number of occupants for Upper Deck

A

8?

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11
Q

If LE flaps are being driven by electric power what EICAS will display?

A

FLAPS PRIMARY

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12
Q

Is fuel temperature indicated on primary eicas?

A

Yes

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13
Q

What number vibration shows amber?

A

None - always shown in white

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14
Q

What are flight crew primary and secondary escape methods?

A

Primary - crew service door
Secondary - overhead hatch

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15
Q

What antenna is on the nose gear door?

A

G/S antenna

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16
Q

Where is the P6 panel?

A

Behind FO seat on the floor (old flight engineer area)

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17
Q

What does a guarded switch imply?

A

Do not touch unless there’s a (non-normal/supp) procedure for it

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18
Q

What does thrust limit protection prevent?

A

Overboost (N1) engine

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19
Q

Amber N1 line means?

A

Max N1 - TO thrust
above this line is overboost

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20
Q

Green N1 line means?

A

Reference N1 - THR REF
Pressing TOGA goes to this line

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21
Q

Red N1 line means?

A

Operating limit RPM
(117.5)
above this line is overspeed
Both Normal and Alternate EEC modes prevent overspeed

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22
Q

White N1 line means?

A

Command N1

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23
Q

B1F vs. B5F TO1/2 fixed derate percentage?

A

B1F - 5/15 %
B5F - 10/20 %

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24
Q

On contaminated runway what thrust setting cannot be used?

A

ATM (can used fixed derate)

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25
Q

Can you use fixed derate on contaminated runway?

A

Yes

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26
Q

Can you use ATM on contaminated runway?

A

No

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27
Q

AC Power for IRUs L, C, R

A

AC 3, 1, 2

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28
Q

IF AC Power not available, what powers IRUs, and for how long each?

A

APU Hot Battery Bus (DC Power)
IRU C powered for 5 mins
IRU L,R powered for 30 mins

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29
Q

How long does an IRU full alignment take?

A

10 mins

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30
Q

How long does an IRU fast alignment take?

A

30 secs

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31
Q

What do the source selectors select?

A

Info for the PFD/ND EFIS (Electronic Flight Instrument System)

32
Q

Where is the Main Battery located?

A

E + E compartment

33
Q

Where is the APU battery located?

A

Near APU by L5 door

34
Q

Can the Main Deck Cargo Handling Bus be powered in flight?

A

No
Only powered by ext or APU - APU cannot produce elec in flight

35
Q

Can an IDG power the Ground Handling Bus or Main Deck Cargo Handling Bus?

A

No - requires external or APU power

36
Q

What is the priority for Ground Handling and Main Deck Cargo Handling Buses? APU or External power

A

External

37
Q

What does the Ground Service Switch do?

A

Connects Ground Service Bus to the same power source that is powering the Ground Handling Bus
(Note this does NOT go THROUGH the Ground Handling Bus)

38
Q

Can Ground Handling Bus and Left Sync Bus share the same power source?

A

Yes

39
Q

Can Main Deck Cargo Handling Bus and Right Sync Bus share the same power source?

A

No

40
Q

What is the primary source for the Main Batt and APU Batt Buses?

A

DC Bus 3
(powered either from AC BUS 3 through T/R or by DC Tie Bus through DCIR)

41
Q

If you lost all generators (IDGs) in flight, what would you retain off the standby electric system?

A

Both STBY buses (Main STBY and APU STBY) now powered by Batteries through Hot Batt buses and STBY INVRs (30 mins power)
Buses and key systems retained:
Main STBY
- Left EIU, CDU, ADC, EFIS Control, Primary EICAS
- Various Flight Control Components
- Left XPDR, ILS, VOR
APU STBY
- Left PFD, ND, FMC
Main Batt
- Fuel and Xfeed valves, APU controller (alternate)
- Manual pressurization control, TE Flap control, IDG disconnect
- Lights - Dome, Storm (& select interior)
- CA’s interphone, Left RTP, VHF
APU Batt
- Engine start air control
- Engine & APU Fire/Overheat Detection Loops A & B
- FO Interphone, PA System
Main Hot Batt
- Engine fire extinguishers and Fire Sw Unlock
- Engine spar valves
- Lower Cargo and APU fire extinguishers
- APU Fuel SOV
APU Hot Batt
- IRU L, C, R DC Power
- L&R Outflow Valves
- APU Inlet Door

42
Q

Where is the APU ground control unit?

A

Right body wheel well

43
Q

What is the only control you do NOT have on APU ground control unit?

A

APU start

44
Q

What things unlock Engine Fire Switch?

A

Fire warning
Fuel Control Switch - CUTOFF
Engine Fire Override Switch

45
Q

What things unlock APU Fire Switch?

A

Fire warning
APU Fire Override Switch

46
Q

What does pushing MAIN CARGO FIRE ARM Switch do?

A
  • turns off 2 packs
  • closes master trim air valve
  • enables main deck fire suppression
  • configures equipment cooling to closed loop
  • turns off all airflow to main deck
  • turns off all airflow and heat to LLCC
47
Q

What does pushing FWD/AFT CARGO FIRE ARM Switch do?

A
  • turns off 2 packs
  • closes master trim air valve
  • arms LLCC fire extinguishers
  • configures equipment cooling to override mode
  • turns off all airflow and heat to LLCC
48
Q

What is the difference between pulling an engine START Switch with AUTOSTART ON/OFF

A

Autostart ON - ARMS start valve
Autostart OFF - OPENs start valve (light immediately on)

Both then open engine bleed air valve

49
Q

Magenta line on N2 display?

A

Fuel-on indicator
Min N2 RPM to move Fuel Control switch to RUN during MANUAL engine start

50
Q

When must CON IGNITION be on? (Atlas limitations)

A

Heavy rain
Severe turbulence
Volcanic Ash
Icing conditions
Standing water/slush on runway

(Auto provided when NAI on)

51
Q

What are icing conditions?

A

10 degrees or less
Visible moisture

52
Q

When is approach idle commanded?

A

CON IGNITION Switch ON
NAI ON
Flaps in landing position
Reverse thrust

53
Q

How long is approach idle maintained until after touchdown (once minimum idle is selected)?

A

5 seconds

54
Q

What is the reason for approach idle?

A

Higher thrust than minimum idle
Decreases acceleration time for GA

55
Q

If CON IGNITION Switch fails, what can you use to command continuous ignition?

A

STBY IGNITION Selector to 1/2

56
Q

Which switches will depressurize EDP?

A

Engine Hydraulic Pump Switch
Engine Fire Switch

57
Q

Why are the hydraulic reservoirs pressurized?

A
  • Prevent pump cavitation
  • Ensure positive flow during high demand conditions
58
Q

When do demand pumps operate (Hyd Demand Pump Selector - AUTO)?

A
  • Engine pump output pressure low or fuel control switch in CUTOFF
  • demand pumps 1 and 4 also when TE flaps in transit (ground), or in flight when extended past 1
  • High demand - e.g flap transit, gear retraction
59
Q

When do demand pumps 1 and 4 operate automatically (in addition to normal reasons)?

A

When TE flaps in transit (on ground)
Flaps extended past 1 (in flight) - continuous

60
Q

What is the aux pump used for?

A

Ground handling operations - brake pressure

61
Q

Which brake does Brake accumulator pressure indicator indicate?

A

Park brake

62
Q

What does ‘FLAPS DRIVE’ EICAS indicate?

A

Flaps asymmetry
(or flap group failed to move in secondary mode)

63
Q

What does ‘FLAPS CONTROL’ EICAS indicate?

A

All FCUs lost

64
Q

What does ‘FLAPS PRIMARY’ EICAS indicate?

A

Primary control lost (secondary mode) for at least one flap group

65
Q

What do FCUs provide?

A

Primary mode
Secondary mode
Indications and annunciations

66
Q

During thrust reverse, what happens to flaps and what indication will you see?

A

Auto-retraction of inboard and midspan LE flaps (and then auto-extension when thrust out of reverse)
Flap position indicator reflect flaps in transit (green line changes to magenta and then back to green)

67
Q

On ground, when would you see a ‘FUEL OVD CTR L,R’ EICAS?

A

CWT pump switches off and CWT > 7,700 kgs

68
Q

How much pressure do override pumps put out in comparison to normal pumps?

A

Twice the amount

69
Q

What valves close when pushing ENGINE BLEED Air Switch OFF

A

Engine bleed air valve
PRV
HP bleed valve

70
Q

What will cause an engine bleed valve to auto-close?

A
  • ground cart supply (to prevent reverse flow)
  • bleed air over temp
  • bleed air over pressure
  • bleed source loss
  • engine fire switch pulled
71
Q

What causes PRV to close?

A
  • failed closed
  • any time start valve not closed (inc. failed open)
  • HP valve failed open and NAI selected (too much pressure)
  • eng bleed air valve closed
72
Q

What fault will PRV stay open for for thrust reverser, but not for NAI?

A

HP valve failed open

73
Q

How many PTCs are there?

A

2 - A and B

74
Q

How many channels for each PTC?

A

3 - one per pack

75
Q

What must be on for automatic PTC switching (either due to failure or as normal on landing)?

A

Trim air

76
Q

With bleed valve closed, can NAI function? How?

A

Yes
IP valve as HP valve is closed

77
Q

What items are required to be checked for exterior inspection?

A
  • chocks in place
  • landing gear door position
  • flight control surfaces clear
  • APU exhaust clear (unless running)

747-400F Oral (22 decks)

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