Autoflight/Flight Instruments/FMS

Question 1

What PFD indications would cause you to select the ADC source Select switch to another ADC?

Answer 1

Invalid IAS or IAS disagree

Question 2

What is the purpose of the EIUs? How many do we have?

Answer 2

To provide airplane systems information to the six PFD, ND and EICAS display screens.
There are 3 EIUs

Question 3

What is the procedure for EFIS/EICAS screens blank?

Answer 3

Use the Instrument Display Source Select switch above the PFD/ND screens to redirect
the information from the blanked screen to an operating screen.

Question 4

With a dual FMC failure what capabilities and what CDU pages do we have remaining for navigation?

Answer 4

The CDUs can perform lateral navigation computations and tune navigation radios only.
VNAV and LNAV are not available. The CDU pages available are LEGS, PROGRESS, and NAV RADIO

Question 5

How do I reengage the auto-throttles if they become disconnected in flight?

Answer 5

Use the SPD switch if the FMA pitch mode shows VS, ALT or G/S

Cycle the A/T ARM switch OFF, then ON for all other pitch modes

Question 6

When does the FMC Transition to “Approach Logic”?

Answer 6

The approach phase starts when the first waypoint of the procedure sequences or when the runway is the active waypoint and the distance to go is less than 25nm.

Question 7

When do you set a missed approach altitude during a VNAV approach?

Answer 7

Inside the FAF and at least 300feet below missed approach altitude.

Question 8

How do I program the FMC for a flight to an airport not in the data base.

Answer 8

See Supplementary procedures – page SP 11.6