Flight Instruments And Displays Flashcards
How many ADIRU does the A320 have?
3
Where does the ADR receive information from?
Pitot
Static
TAT
AOA
Where does the IR receive information from?
Accelerometers (1/IR, 3 axis)
Ring laser gyros (3/IR)
Where does the ADIRU send information to?
DMC (Display Management Computer)
Where do the DMC’s send information to?
DMC 1: Capt PFD/ND and ECAM
DMC2: FO PFD/ND
DMC3: STBY and can send info to all DU’s
If DMC 1 fails which DMC supplies information to the ECAM?
DMC2
How long does a full IRU alignment tight?
10minutes
How long does a quick IRU alignment take?
3 minutes
What does a flashing ADIRS ‘ALign’ light indicator mean?
A disruption in the alignment process has occurred.
What does a flashing ADIRS ‘FAULT’ light mean?
Partial ADIRS failure occurred. Attitude and heading information may be recoverable.
If the outer DU fails what occurs?
The outer DU display is automatically transferred to the inner DU display.
What happens if the inner DU fails? What can be done?
No automatic transfer exists.
Pressing the PFD/ND transfer button to transfer the ND to the outer DU.
What are the pitch indicator pitch limits?
30° nose up and 10° nose down
What does the speed trend arrow indicate?
It indicates the speed the aircraft will reach in 10 seconds, if the present acceleration is maintained.
Which failures are not inhibited during takeoff and landing?
- Engine or APU fires
- Engine failure or LO OIL pressure
- L+R elevator fault
- FWC 1+2 Fault
- Takeoff configuration warnings (takeoff only)
