0-MCDU/FMGS Flashcards

1
Q

What are the two modes of flight guidance?

A
  • Managed guidance
  • Selected guidance
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2
Q

What is the managed mode of flight guidance used for?

A
  • Long-term lateral, vertical, and speed profiles as determined by the FMGS
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3
Q

What is the selected mode of flight guidance used for?

A
  • Temporary lateral, vertical, and speed commands as selected with the FCU
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4
Q

Which flight guidance mode has priority?

A
  • Selected guidance
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5
Q

What does ACTIVATE/CONFIRM APPR phase do for the pilot if in managed speed?

A
  • Allows auto-thrust and speed target to follow a predetermined schedule, based on flap selection:
    o F0 = green dot
    o F1 = S speed
    o F2 = F speed
    o F3 = F speed or VAPP
    o Full = VAPP
  • If using managed speed, GSmini is available. If using selected speed, GSmini is not available.
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6
Q

What happens if the pilots forget to ACTIVATE/ CONFIRM the APPR phase while in the descent phase?

A
  • Once you manage speed, the auto-thrust system will target 250 kts below 10,000 ft.
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7
Q

What time of day would a pilot have to switch to a new Navigation Database?

A

0901z

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8
Q

Can the crew modify data in the navigation database?

A
  • The crew has limited ability to create pilot stored navigational data.
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9
Q

How would a flight crew determine the validity of the navigation database?

A
  • On the A/C STATUS page.
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10
Q

What input does each FMGC normally use for position determination?

A
  • A hybrid IRS/GPS position
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11
Q

What is the normal operational mode of the FMGS?

A
  • Dual mode, with one FMGS as master and the other FMGS as slave
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12
Q

How does autopilot selection influence master FMGS logic?

A
  • If one autopilot is engaged, the respective FMGS is master
  • If both autopilots are engaged, FMGS 1 will be the master
  • If no autopilot is engaged FMGS 1 is the master
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13
Q

If an amber OFF SIDE FM CONTROL message is displayed on the ND what action should the crew take?

A
  • An FMGS has failed and both NDs must be set to the same mode and range.
  • The full procedure can be found in the FCOM.
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14
Q

In cruise flight with AP1 engaged, what would happen if AP2 was selected?

A
  • The AP2 would takeover, and AP1 would disengage. It is only possible to engage both autopilots in the approach phase after selection of the APPR pushbutton while conducting a ILS approach.
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15
Q

What is the difference between the large and small fonts utilized in the MCDU?

A
  • Large = Modifiable / Pilot entries
  • Small = Non-modifiable / Default / computed
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16
Q

If the FLEX TEMP is not entered on the TAKEOFF page of the MCDU, and the thrust levers are positioned in the FLEX detent, what will occur and what should be done?

A
  • A ECAM CAUTION will be generated
  • Thrust levers should be moved into the TOGA detent and continue the takeoff.