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Instruments > Chapter A05 - Flight Management Systems > Flashcards

Chapter A05 - Flight Management Systems Flashcards

1
Q

The FMS comprises the following components:

A

Flight Management Computer (FMC)
Autopilot/Flight Director System (AFDS)
Auto Throttle (A/T)
Inertial Reference System (IRS)
Multifunction Control Display Unit (MCDU)

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2
Q
A
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3
Q

The purpose of the Multi-function Control and Display Unit (MCDU) is to provide

A

a human-machine interface.

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4
Q

In the FMC, one acts as ? and the other acts as ?

A

Master and Slave

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5
Q

FMC talk to each other via the ?

A

Cross-talk bus

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6
Q

In Independent mode the two FMCs ?

A

Do not not communicate with each other

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7
Q

In Independent mode, there is no comparison so the pilots ?

A

Have to monitor both systems

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8
Q

Single mode of an FMC is ?

A

Only one FMC is operational

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9
Q

What are the two databuses of the FMC?

A

Nav and Performance database

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10
Q

Back-up (Alternate) Navigation

A

Complete FMC failure

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11
Q

Volatile memory is?

A

When the power source is removed the data is removed

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12
Q

Non-volatile memory is?

A

When the power source is removed the data is not removed

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13
Q

The navigation database contains?

A

It contains the information that can be found in navigational charts, plates and manuals

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14
Q

How often is the database of an FMS updated ?

A

28 Days

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15
Q

Can you change the content of the database you’re using?

A

NO!

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16
Q

Can you change the database of the FMC you’re using?

A

YES!

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17
Q

What does STAR stand for?

A

STandard Arrival Route

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18
Q

How does an FMS know where it is ?

A
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19
Q

The Kalman filter does what ?

A

Filters the different navigation equipment (GNSS, IRS, DME, VOR/ILS) to choose the best location from the FMS

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20
Q

RNP stands for?

A

Required Navigation Performance

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21
Q

What is the required accuracy on an airway?

A

5nm

22
Q

Actual Navigation Performance (ANP) is?

A

Current Accuracy

23
Q

Required Navigation Performance (RNP) - the accuracy required to operate in a given regulated airspace (typically, _____)

A

*RNP is 5 NM

24
Q

If ANP is higher then (RNP) _____ message will appear in FMS

A
  • “Unable RNP”
25
Q

How does

A

Geometry and Strength

26
Q

The FMS does not cater for ____

A

Configuration changes

27
Q

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

A
  • The cruise flight level.
  • The current wind computed or the resulting ground speed.
28
Q

Cost index is the ratio of?

A

Fixed Cost to Fuel Costs

29
Q

With regards to the cost index, what would be flying slow or flying fast?

A
30
Q

What 4 pieces of information do you get off the LEGS page?

A
31
Q

What are the 5 pieces of information you get from the PROGRESS Page?

A
32
Q

What are the steps of setting up an FMS?

A

Identification page – IDENT
Position Initialisation page – POS INIT
Route Page – RTE
Departure/Arrival page – DEP/ARR
Performance Initialisation page – PERF INIT
Selection of take-off thrust page – N1 LIMIT
Take-off details – TAKEOFF REF

33
Q

IDENT PAGE:

Ensure that the aircraft model is ____, fitted with engines of the _____ and that the _____ is in date. LSK 6R normally contains next start-up action, in this case, POS INIT.

A
  • correct
    *correct rating
  • nav database
34
Q

What does the leg mode display?

A

Mag track and distance to waypoints

35
Q

What is OEI?

A

One Engine Inoperative

36
Q

FMS Auto-tunes VOR and DME based on..

A

Strength and geometry

37
Q

DOES NOT auto-tune the….

A

ILS

38
Q

Operating philosophy of the FMS is…

A

Master and Slave

39
Q

How many dimensions does the FMS use?

A

4D Flight trajectory

40
Q

Perf Factor in FMS as aircraft ages to show?

A

Degraded Performance

41
Q

Cost Index of 0 gives?

A

Max Range

42
Q

The position data (lat, long) computed by an IRS can be used by the:
1. Yaw damper.
2. FMS.
3. Radio altimeter.

A

FMS

43
Q

The role of the FMS (Flight Management System) is to
1. Aid the crew with navigation. 5. Reduce crew workload.
2. Shut down the engine in case of a malfunction.
3. Aid fuel efficiency.
4. Automatically avoid conflicting traffic when autopilot engaged.

A

1, 3, 5

44
Q

What are the inputs to the FMS?
1. Radio aids 4. Route data
2. Engine parameters 5. Air data.
3. Terminal data 6. Operating data.

A

All of the above

45
Q

When can a pilot change the data in the FMS Navigation database?

A

They can’t. For the pilot, the FMS data base is read-only.

46
Q

The period of validity of an Navigation FMS database:

A

Is 28 days.

47
Q

What are the approaches FMS is approved to provide guidance for?

A

RNAV, VOR/NDB

48
Q

FMS designed with the vertical navigation capability coupled to the autopilot, the FMS vertical command output can be?

A

A flight path angle
A speed target

49
Q
A
50
Q

VNAV Capability
-_____
-_____

NAV/LNAV
____ or ____

A

VNAV Capability
-A flight path angle
-Target speed

NAV/LNAV
Bank angle or Heading Demand

51
Q

Which one is 4D which one is 3D?
FMS:
TAWS:

A

FMS: 4D
TAWS: 3D

Instruments (35 decks)

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