Instrumentation & Navigation

Question 1

What 3 computers send information to the 6 Display Units (DUs)?

Answer 1

Data Concentrator Unit (DCU)

Versatile Integrated Avionics Units (VIAs)

Question 2

Oral: What do “VIAs” supply the following central computer functions?

Answer 2

FMS
EIS
CAWS
Master Warning and Caution
Digital Flight Data Acquisition Function

FEC-MD

Question 3

Failure of a DU causes _______ ________ of the DUs to continue to displays __________ flight data.

Answer 3

automatic reconfiguration

essential

Question 4

Magenta = FMS derived
White = pilot manually selected
Cyan (blue) = status indications, messages
Grey = scale shading or fixed scale labels
Green = Validity
Amber = immediate crew awarness
Red = condition requires immediate attention

Answer 4

Magenta = FMS derived
White = pilot manually selected
Cyan (blue) = status indications
Grey = scale shading or fixed scale labels
Green = Validity
Red = condition requires immediate attention