Autopilot

Question 1

Within what speed range can the autopilot be used

Answer 1

90-185 kts

Question 2

When should the autopilot not be enabled

Answer 2

If AC is significantly out of trim

If any cabin windows open

Question 3

Below what altitude should the autopilot be disengaged

Answer 3

Below 200’ AGL within certain limiting speeds

Below 800’ AGL for all other phases of flight

Question 4

How is APR mode different to NAV mode

Answer 4

APR has more sensitive tracking, and allows the AP to track a valid glide slope

Question 5

Difference between ARM and ALT buttons

Answer 5

ARM will level out at selected altitude, provided AP is in VS mode and is climbing or descending towards selected height.

ALT button causes AP to level off immediately