2016 PC Guide - Flight Instruments & Navigation

Question 1

What is our policy regarding flight directors?

Answer 1

Both flight directors will remain in view and be used at all times when correct path guidance is available.

Question 2

What is our policy regarding CWS pitch or roll?

Answer 2

CWS pitch or roll modes should only be used momentarily. The intent is for both flight directors to remain in view and to be and to be used at all times when correct path guidance is available. Momentary use of CWS is allowed.

Question 3

You are departing SEA runway 16 C, and just as you rotate and engine fails. What guidance will the flight director give you for pitch?

What guidance will the flight director give you for roll?

Answer 3

• If an engine fails in TOGA, the flight director pitch command will be:
  
  • V2 if airspeed is below V2
  • Existing speed if airspeed is between v2 and V2+20
  • V2+20 if airspeed is above V2+20

If an engine fails in TOGA, the flight director roll command will be:

 - If LNAV was selected prior to TOGA, the flight director will command the FMC track
 - If LNAV was not selected prior to TOGA, the flight director will command wings level.  No heading or ground track guidance will occur until another roll mode is selected (above 400 ft AGL).

Question 4

When would you push the TOGA button a second time?

Answer 4

If full go-around thrust is desired. If the missed approach has a non-standard missed approach climb gradient, full go-around thrust must be used.