Avionics, Flight Instruments Flashcards

1
Q

How should we contact the flight attendant in an emergency

A

PA, push the EMER call switch light to generate three high/low chimes and a flashing red light on the FA’s overhead panel

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2
Q

What indication do we get if the flight attendant is calling the flight deck because of an emergency in the cabin

A

We hear one high/low chime and the EMER call switch light will be flashing

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3
Q

How do we know if the company is trying to contact us

A

An ACARS message of SELCAL voice aural and a SELCAL advisory EICAS message

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4
Q

How many Air Data computers ADC installed

A

Two

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5
Q

How many AHRS or IRS computers are installed

A

Two

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6
Q

In MAG mode, how long does it take the AHRS system to initialize

A

30-70 seconds

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7
Q

In DC mode, how long does it take AHRS system to initialize

A

10-11 minutes

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8
Q

From which source do the captains flight instruments receive AHRS information

A

AHRS 1 or IRS 1

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9
Q

From which source do the first officers instruments receive AHRS information

A

AHRS 2 or IRS 2

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10
Q

From which source do the captains flight instruments receive pitot/static information

F/O’s information

A

System #1 pitot/static tube on right side of the nose

System #2 pitot/static tube on the left side of the nose

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11
Q

From which source does the integrated standby instrument receive pitot/static information

A

System #3 standby pitot under captains side window and two alternate static ports, one on left and one on the right side

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12
Q

Will the flight deck PA override the flight attendant PA?

A

Yes

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13
Q

Where is the TAT probe located?

A

Under FO’s side window

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14
Q

What is the definition of Total air temperature

A

The temperature of the air corrected for compressibility and friction caused by high speed

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15
Q

On the ground with the probe heat ON, which probes are heated?

A

All pitot probes are heated half way, all others are fully heated except the TAT probe which is not heated on the ground

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16
Q

In flight, which probes are heated

A

All are fully heated regardless of probe heat switch position

17
Q

Is there a LOC and GS indication on the standby attitude indicator

A

Yes, referencing NAV 1

18
Q

When and where will the radio altitude information appear

A

0 to 2500 AGL indicated in green below the altitude tape

19
Q

What does the speed trend vector indicate

A

Predicted airspeed in 10 seconds if no changes are made

20
Q

When and where will the MACH readout appear

A

Appears when accelerating through 0.45 Mach. Disappears when decelerating through 0.4 mach. Appears just above the airspeed tape in white.

21
Q

What does the green line on the airspeed tape indicated

A

1.27 Vs based on current configuration. Not accurate at high altitudes

22
Q

Where is the slip and skid indicator located

A

A rectangle located just under the sky pointer

23
Q

How many flight directors are installed

A

Two

24
Q

How many autopilots are installed

A

One