Avionics, Flight Instruments Flashcards Preview

CRJ-900 Limitations > Avionics, Flight Instruments > Flashcards

Flashcards in Avionics, Flight Instruments Deck (24):
1

How should we contact the flight attendant in an emergency

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

2

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

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

3

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

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

4

How many Air Data computers ADC installed

Two

5

How many AHRS or IRS computers are installed

Two

6

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

30-70 seconds

7

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

10-11 minutes

8

From which source do the captains flight instruments receive AHRS information

AHRS 1 or IRS 1

9

From which source do the first officers instruments receive AHRS information

AHRS 2 or IRS 2

10

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

F/O's information

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

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

11

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

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

12

Will the flight deck PA override the flight attendant PA?

Yes

13

Where is the TAT probe located?

Under FO's side window

14

What is the definition of Total air temperature

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

15

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

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

16

In flight, which probes are heated

All are fully heated regardless of probe heat switch position

17

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

Yes, referencing NAV 1

18

When and where will the radio altitude information appear

0 to 2500 AGL indicated in green below the altitude tape

19

What does the speed trend vector indicate

Predicted airspeed in 10 seconds if no changes are made

20

When and where will the MACH readout appear

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

21

What does the green line on the airspeed tape indicated

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

22

Where is the slip and skid indicator located

A rectangle located just under the sky pointer

23

How many flight directors are installed

Two

24

How many autopilots are installed

One