787 SYS 2 Autoflight

Question 1

Prior to what speed must A/Ts be engaged on takeoff and what happens if not

Answer 1

-50 knots
-can’t engage until 400’

Question 2

Once LOC and G/S are captured, how can the be disengaged

Answer 2

Only by
-A/P and FDs OFF
-engaging go-around mode
-above 1500RA, hit APP

Question 3

3 ways to disengage autopilot

Answer 3

1- normal - disconnect switch
2- A/P disengage bar on MCP
3- overriding with controls (pedals only for Land 2 or 3)

Question 4

What are the indications the autopilot is in a degraded mode

Answer 4

1) EICAS Amber AUTOPLIOT
2) line through degraded mode of PFD and HUD
3) respective FD bar removed from PFD and flight guidance cue removed from HUD

Question 5

When does FLARE engage during AUTOLAND

Answer 5

Descent between 60’ and 40’ RA

Question 6

During a manual landing when does the Autothrottle reduce to idle

Answer 6

-25’RA
—if FD is OFF, or
—pitch mode is G/S, V/S, FPA or VNAV (Spd/pth/Alt)
NO auto retard for pitch mode TOGA or FLCH

Question 7

With autothrottle armed, auto activation activates if

Answer 7

-no autopilot or F/D is active
-you get slow for 1 sec. A/P or F/D is in mode and speed drops below FMC value for 1 sec
-thrust is low. Thrust below ref and above 100RA on appr or baro is 400’ AFE on takeoff

Question 8

During a descent in VNAV SPD, the auto throttle may activate in HOLD and does not support what

Answer 8

Stall protection