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Ground School Systems 2 > PC-21 Primary Flight Display (PFD) > Flashcards

PC-21 Primary Flight Display (PFD) Flashcards

1
Q

Do selections on either front or rear cockpit PFD operate in tandem?

A

Yes

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2
Q

What shape does the PFD display the primary flight instruments?

A

T-shaped arrangement

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3
Q

How is the PFD generally broken up?

A

1) Thin area at the top is reserved for autopilot indications
2) The upper half of the display shows flight data
3) The lower half of the display shows navigation data

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4
Q

What does each Bezel that surround the glass display area have?

A
  • 21 fixed function keys (FFKs)
  • 3 Rotary switches
  • 2 ambient light sensors
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5
Q

What are the 5 data sources that provide data to the PFD?

A
  • Inertial Reference System (IRS)
  • Air Data Computer (ADC)
  • Mission Computer (MC)
  • RIOC 2
  • Radar Altimeter
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6
Q

What does a boxed amber SFD caption mean adjacent to the relevant flight data on the SFD?

A

Data from the PFD is being used.

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7
Q

When will the PFD use data from the SFD ?

A
  • When IRS data is not valid or not available.

- When ADC info is not available.

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8
Q

What data is obtained from the IRS and is backed up by the SFD?

A
  • Attitude
  • Slip
  • Rate of turn
  • Heading
  • G load
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9
Q

What provides input to the PFD regarding navigation purposes ?

A

UFCP

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10
Q

What is used as a backup for the UFCP?

A

FMS

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11
Q

What data does the Inertial Reference System provide to he PFD?

A
  • Attitude
  • Slip
  • Rate of turn
  • Heading
  • Wind
  • Groundspeed
  • G load
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12
Q

What data does the Air Data computer provide the PFD with?

A
  • Airspeed
  • Mach Number
  • Altitude
  • Vertical Speed
  • OAT
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13
Q

What does RIOC 2 provide data input to PFD regarding?

A
  • Airbrake
  • Landing gear speed limit
  • Flaps position, speed and G limits
  • AOA
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14
Q

What does the radio navigation system provide data to the PFD for?

A
  • ILS
  • VOR
  • TACAN
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15
Q

How are PFDs powered?

A
  • GEN 1 Bus (normal operations)

- BATT BUS (if GEN 1 BUS fails)

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16
Q

What does white arc on the airspeed indicator show? What does the green arc show?

A
  • The white arc is static and extends from 86 to 180 KIAS.

- The normal operating range and is dynamic.

17
Q

What is showed on the outside of the speed arc to show the IAS trend?

A

A white chevron on the outside of the speed arc to show the IAS trend, marking predicted speed 6 seconds ahead.

18
Q

What is a rate one turn and how is it expressed?

A

Represents 3 deg/s when he t bar becomes exactly aligned with the left or right rectangle.

19
Q

When does the rate of turn indicator become a yaw indicator?

A
  • When rate of turn > 8 deg/s.
  • rate of turn indicator will change to amber and a large yaw arrow is positioned to the left or right of the turn indicator. Indicating the direction or the spin.
20
Q

What is the VSI resolution between 0 and 1000 ft/min? What about beyond this?

A

50 feet

100 feet beyond

21
Q

What is displayed on Altimeter when Altimeter is < 10 000 ft?

A

White and black flag.

22
Q

What is the radar altimeter resolution when the RA readout is below 200 ft and above 200 ft?

A
  • 1 feet below 200 ft

- 10 ft above 200 ft

23
Q

What will occur when a stall is approached?

A

Aural tone

Amber STALL warning on MFD

24
Q

What does the look key allows the aircrew to look at each other’s PFD?

A

Allows one pilot to look at the other pilots PFD.

25
Q

What does the SG (Symbol Generator) on the PFD bezel?

A

Allows either pilot to generate symbols for both PFDs

26
Q

What does the ALT key do?

A

Allows the pilot to set the target altitude.

27
Q

What does an amber ALT ALERT above ASI mean?

A

Reaching 1000 ft to the target altitude.

28
Q

What can the pilot do if the symbol generator of a PFD fails?

A

Pilot can select the SG Key on the PFD Bezel to used the symbol generator of the other PFD to recover the display of flight data.

29
Q

What occurs when there is a failure of the IRS or ADC?

A

SFD will provide flight data to the PFD.

30
Q

What load factor range will give accurate values when SFD info is being displayed on the PFD?

A

+- 4 g

31
Q

What does a CHECK ATT legend that appears in ab ox on the ADI mean?

A

Attitude data values differ from each other.

32
Q

What does a red cross mean on a PFD function?

A

No data available for that function.

33
Q

What is displayed on the PFD when the aircraft pitch angle is greater than 55 degrees in the climb?

A

Red V indicating the best direction to decrease the pitch to the horizon.

Ground School Systems 2 (19 decks)

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