Avionics, Flight Instruments Flashcards
Will the flight deck P.A. override the flight attendant P.A.?
Yes
How should we contact the flight attendant an emergency?
Turn the audio panel knob to PA, push the EMER call switch/light to generate three high/low chimes and a flashing red light on the FA’s overhead panel.
What indication do we get if the flight attendant is calling the flight deck because of an emergency in the cabin?
We hear on high/low chime and the EMER call switch/light will be flashing.
How do we know if the company is trying to contact us?
An ACARS message or “SELCAL, SELCAL” voice aural and a SELCAL advisory EICAS message.
How many Air Data Computers (ADC) are installed?
Two
How many AHRS or IRS computers are installed?
Two
In MAG mode, how long does it take the AHRS system to initialize?
30-70 seconds
In DG mode, how long does it take the AHRS system to initialize?
10-11 minutes
From which source do the First Officer’s flight instruments receive AHRS information?
AHRS 2 or IRS 2
From which source do the Captain’s flight instruments receive AHRS information?
AHRS 1 or IRS 1
From which source do the Captain’s flight instruments receive pitot/static information?
System # 1, pitot/static tube on left side of nose
From which source do the First Officer’s flight instruments receive pitot/static information?
System # 2, pitot/static tube on right side of nose
From which source does the integrated standby instrument receive pitot/static information?
System # 3, standby pitot probe under Captain’s side window and two alternate static ports, one on left and one on the right side.
Where is the TAT probe located?
Under the First Officer’s side window
What is the definition of Total Air Temperature?
The temperature of the air corrected for compressibility and friction caused by high speed