Flight deck & Crew Awareness

Question 1

Explain the “AUTO” functions of the EDS REVERSIONARY panels

Answer 1

EICAS failure. Each MFD displays EICAS
PFD failure. Respective MFD displays associated side PFD
MFD failure. No auto reversion

Question 2

Explain the PFD MFD and EICAS selections on the EDS REVERSIONARY panel

Answer 2

PFD - Respective PFD will display on associated MFD
MFD - MFD cannot be reverted
EICAS - EICAS displays on the associated MFD

Question 3

How many ADSs (air data system) are installed and how are they assigned?

Answer 3

ADS1. Captain
ADS2. First Officer
ADS3. Standby
ADS4. IESS
ADS5. Flight controls

Question 4

What happens if ADS1 or 2 fails?

Answer 4

Ads 3 automatically becomes the source

If ADS 3 fails, then the respective x-side ADS is used( ads1 reverts to ads2)

Question 5

What happens if the ADS button is pushed?

Answer 5

The respective onside ADS reverts to ADS 3
The respective onside ADS reverts to the x-side ADS if the button is pushed a second time
The respective onside ADS returns if the button is pushed a third time unless the respective side is already failed.

Question 6

Is there an automatic reversion for an IRS failure?

Answer 6

No, it must be manually reverted.

Question 7

Which displays can be reverted? Which displays cannot be reverted?

Answer 7

MFD’s can be reverted to either EICAS or PFD

PFD’s and EICAS CANNOT be reverted