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Instruments > Flight Managment Computer > Flashcards

Flight Managment Computer Flashcards

1
Q

What happens if the FMS fails in the FMS?

A

Automatic of manual switching to the other computer + alert.

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2
Q

What happens if the CDU fails inside the FMS?

A

Remaining units automatically take control.

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3
Q

What happens if a cross-talk bus fails inside an FMS?

A

Each system operates independently so data must be entered unto both CDU’S.

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4
Q

What is the name of the crew interface with the FMC?

A

CDU.

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5
Q

How can you tell an optional data field is in a CDU?

A

Dashes.

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6
Q

What does IDENT mean in a FMS?

A

Who am i.

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7
Q

What does POS INT mean in a FMS?

A

Where am I?

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8
Q

What does ROUTE mean in a FMS?

A

Where am I going?

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9
Q

What does PERF INIT mean in a FMS?

A

Performance initialisation.

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10
Q

Where would you find and EICAS or an ECAM?

A

In the middle where they display the engines and stuff.

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11
Q

How often is the AIRAC updated?

A

28 days.

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12
Q

What is the least economical but the fastest cost index?

A

200

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13
Q

The FMS navigation data base usually contains:

  1. Airport reference data
  2. ATC frequencies
  3. Company routes
  4. Nav. Aid. frequencies
  5. Taxiways

The combination regrouping all the correct statements is…

A

1,3,4

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14
Q

What does it mean if you have enhanced RAIM?

A

Access to more than 6 satellites .

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15
Q

What does it mean if you have basic RAIM?

A

Access to 5 satellites.

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16
Q

The purpose of a CDU/MCDU is…

A

Allows pilots to communicate with the FMC

17
Q

Which of the following statements regarding the “performance factor” is correct? It is a…

A

Positive or negative factor that alters the predicted fuel flow.

18
Q

During a loss of GPS signal, the FMS position…

A

May deviate

19
Q

In a typical FMS architecture including two FMCs, two CDUs and one cross-talk bus when the system operates in the normal DUAL mode, one (1) _____ is the master and the other is the slave. Both (2) _____ exchange data together and synchronise via a cross-talk bus.

A

FMC / FMCS

20
Q

During FMS initialization, the crew must verify that the aircraft performance database correct, based on the aeroplane and engine configuration. This is because the FMS uses the data to… calculate an optimum blank profile.

A

Vertical

21
Q

The position shown on FMS is…

A

FMS position.

22
Q

The following are functions of an FMS:

  1. Calculation of the aircraft position
  2. Calculation of resolution advisories
  3. Lateral and vertical guidance
  4. Flight path prediction
  5. Terrain awareness
A

1,3,4

23
Q

The Flight Management Computer (FMC) contains two primary databases: the navigation database and the performance database. What is the purpose of the navigation database?.

A

It stores route and instrument flight procedure information.

24
Q

Which system is required in order for the FMS to control vertical navigation?

A

Auto throttle

25
Q

For most FMS the fuel prediction function, which computes the remaining fuel along the flight plan, takes into account the following parameters:

1 – the additional drag in case the landing gear can not be retracted
2 – the cruise flight level
3 – the additional drag in case the flaps are blocked and partly extended
4 – the current wind computed or the resulting ground speed

The combination that regroups all of the correct statements is…

A

2,4

26
Q

What are the systems which provide input data into the FMS?

  1. AFCS
  2. IRS
  3. ADC
  4. ATS
A

2/3

27
Q

The FMC determines and update present aircraft position from the following systems:

1 – GPS
2 – IRS
3 – Radio aids
4 – ACARS

The combination that regroups all of the correct statements is…

A

1,2,3

28
Q

Concerning the FMS, the parameters used to work out the vertical flight profile are:

1 – zero fuel weight
2 – cost index
3 – fuel quantity
4 – oxygen quantity available for flight crew
5 – minimum safe enroute altitude

The combination that regroups all of the correct statements is…

A

1,2,3

29
Q

In the Flight Management Computer (FMC) of the Flight Management System (FMS), data relating to flight plans is stored in the… blank database.

A

Navigation.

30
Q

What inputs are 3 processes used for FMS position updating?

A

GPS, IRS, VOR/DME.

Instruments (29 decks)

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