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777 Atlas Air > Oral Prep Questions > Flashcards

Oral Prep Questions Flashcards

1
Q

What is the zero fuel weight

A

248,115kg

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2
Q

What is the weight limit for a last minute change

A

227kg

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3
Q

What are the different flight control mode

A

Primary controls - Normal, Secondary and Direct
Secondary controls - Primary, Secondary, Alternate

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4
Q

With primary flight controls in secondary what is not available

A

Gust Suppression
Autopilot
Yaw Dampener (Degraded)
Auto Speed Brakes
Thrust Asymmetry Compensation
Envelope Protection

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5
Q

With primary flight control in Direct what is lost

A
  • All secondary loses
  • Manual rudder trim switch
  • Yaw dampener
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6
Q

During preflight you notice the ON BAT light next to the ADIRU

A

The ADIRU is on battery bus, horn in nose wheel will sound also

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7
Q

What happens if the ADIRU is shut off in flight

A

Nothing

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8
Q

What happens if the ADIRU fails in flight

A

SAARU automatically continues operation. Loss of position and automatic HDG data.
HDG must be entered into the CDU manually after 3 minutes.

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9
Q

When will the TAC begin compensating for YAW

A
  • Greater than 70kts
  • More than 10% thrust difference between engines
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10
Q

When will the TAC not be available

A
  • Less than 70 pts
  • Thrust reverse is applied
  • System malfunction or loss of engine data
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11
Q

Can secondary mode be selected for primary flight controls

A

No

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12
Q

What are the two types of flight control computers

A

ACEs - Actuator Control Electronics
PFCs - Primary Flight Computer

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13
Q

If complete electrical failure occurs what control of the aircraft surfaces is available

A

Mechanical linkages to the stabiliser
Spoilers 4 and 11 mechanically linked

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14
Q

What will the APU on and no other power source what is powered

A

Both Main AC buses

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15
Q

What does the Primary External normally power

A

The right main AC bus

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16
Q

What does the secondary External normally power

A

The Left Main AC bus

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17
Q

What are the modes of operation for the APU

A

Attended and Unattended

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18
Q

What will cause APU shutdown in both modes

x10 Answers

A
  • APU fire/inlet overtime
  • Overspeed/ loss of overspeed protection
  • Generator filter approaching bypass
  • Intake door failure
  • APU controller failure
  • Speed droop
  • No acceleration on start
  • No combustion on start

EICAS in attended
- High EGT
- HOTLOP

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19
Q

What causes the APU to automatically start

A

Loss of power to both AC transfer buses. The RAT will automatically deploy as well

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20
Q

What is the purpose of the backup generators

A

To power one or both transfer buses

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21
Q

How many backup generators

A

two

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22
Q

Can both back up generators provide power to the transfer buses

A

No

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23
Q

When will the backup generators automatically provide power to transfer bus(es)

A
  • Power to one or both Main AC buses is lost
  • One AC generator (including APU)
  • Approach mode is selected
  • Testing
24
Q

If emergency lights are armed what causes them to illuminate

A
  • An armed exit is opened
  • Loss of DC power
25
Q

When does the supernumerary oxygen deploy

A

Cabin altitude 13,500ft

26
Q

What conditions will cause the RAT to deploy

A
  • Both engines failed with center hydraulic system pressure low
  • Both AC transfer buses unpowered
  • All three hydraulic system pressure is low
27
Q

What conditions cause the seatbelt light to turn on when in AUTO

A
  • Below 10,000ft
  • Landing gear not up
  • Flaps not up
28
Q

What conditions will cause seatbelt lights to illuminate regardless of switch position

A
  • Cabin altitude above 10,000ft
  • Superneumery oxygen on
29
Q

How are cargo fires detected

A

Smoke detectors in each zone.
8 zones main cargo deck
3 each FWD and AFT cargo deck

30
Q

When does RTO become available

A
  • On the ground
  • Both thrust levers to idle
  • Above 85kts
31
Q

How are the Primary Flight Controls powered

A
  • PMGs - PSA - Flight Control DC bus
  • TRU - DC Main bus
  • Hot Battery Bus
  • RAT
32
Q

When will the E/E cooling automatically configure to OVRD

A
  • Both fans fail
  • Smoke detected
  • Low airflow detected
  • LWR Cargo Fire ARM switch pushed
33
Q

What happens when the E/E cooling is OVRD

A
  • Both fans are OFF
  • Overide valve is open
  • FWD Cargo heat valve is closed
  • NGS is OFF
  • OVRD is illuminated
34
Q

What controls flap positioning in all modes

A

FSEU - Flap, Slat, Electronic, Units

35
Q

What protections available in Primary mode of secondary flight controls

A
  • Load relief (Flaps)
  • Autoslats
  • Motion uncommanded
  • Asymmetry flap/slat
36
Q

What protections available in Secondary mode of secondary flight controls

A
  • Load relief (Slats >256)
  • Asymmetry flap/slat
  • Motion uncommanded
37
Q

Where will the slats travel when initially in secondary mode

A

Full position

38
Q

Stall protection sequence of events

A
  • Pitch Limit Indicators show near Min Maneuver speed
    Top of Amber
  • Trim reference speed changes in nose up inhibited
    Midway through AMber
  • AIRSPEED LOW displays
    If A/T armed
  • A/T to THR mode and accelerates to min maneuver or MCP speed whichever is higher
39
Q

When will auto slats work

A
  • Primary mode only
  • Flaps <25 degrees )Not in full position)
  • Extends to full position with signal from stall computer, retracts after signal removed.
40
Q

When is the wheel to rudder crosstie available

A

Less than 210kts

41
Q

TAC is available and will compensate when

A
  • Above 70kts
  • More than 10% thrust difference between engines detected.
42
Q

When is TAC unavailable

A
  • Less than 70kts
  • Thrust reverse
  • Engine data is lost or system malfunction
43
Q

When will the RAT deploy automatically

A
  • Both AC transfer buses unpowered
  • Both engines have failed and center hydraulic pressure low
  • All three hydraulic system pressures low
44
Q

What does the RAT power

A

Electrically - C1 and C2 TRU
Hydraulically - Center primary Flight Controls

45
Q

What is available on the Hot Battery Bus

A
  • Fire Protection
  • ADIRU (if no other source)
46
Q

What is the ground handling bus used to power

A
  • Cargo loading/unloading
  • Refueling/defueling
47
Q

Ground service bus powers

A
  • Cabin lighting and outlets
  • APU and main battery charging
48
Q

DC systems

A
  • PFD’s
  • ND’s
  • GPS
  • ADIRU
49
Q

When will the backup generators supply power

A
  • Power to one or more AC main buses lost
  • Only one generator source (including APU)
  • Approach mode is selected
  • Initial test after engine start
50
Q

How many backup generators supply power at once

A

One

51
Q

What supplies standby power

A

Battery for at least 5 mins

52
Q

How are the generators configured for autoland

A
  • Left IDG supplies the left AC main bus
  • Right IDG supplies the battery bus
  • A backup generator powers the right AC Main bus
53
Q

What EEC protections in Normal mode

A
  • Over speed N1 and N2
  • Thrust limit protection
54
Q

What EEC protections available in alternate

A
  • Overspeed N1 and N2
  • Thrust reference
55
Q

When will the a/c go into approach idle

A
  • Flaps 25 or greater
  • Engine anti ice on
  • One hydraulics air demand pump is inoperative and flaps out of up
  • The opposite engine bleed valve is closed
56
Q

When will CAB ALT readout become AMBER

A

8500ft cabin altitude

57
Q

When will the CABIN ALTITUDE EICAS warning display

A

10,00ft cabin altitude

777 Atlas Air (16 decks)

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