AFCS - Limitations

Question 1

Airspeed limitations
Hands-Off in VMC for:

Manoeuvering, Approach
Climb, cruise, descent

Answer 1

Manoeuvering, Approach: 120 KIAS
Climb, cruise, descent: 100 KIAS (120 KIAS when flying attentively)

Question 2

Airspeed limitations
Hands-Off in IMC for:

Manoeuvering, Approach
Climb, cruise, descent

Answer 2

Manoeuvering, Approach: 100 KIAS
Climb, cruise, descent: 80 KIAS (100 KIAS when flying attentively)

Question 3

Minimum airspeed with IAS mode engaged

Answer 3

30 KIAS

Question 4

When should airspeed indicator be monitored closely in ALT mode?

Answer 4

When airspeed is below 80 KIAS

Question 5

Minimum height for hands-off/feet-off

During T/O and approach
For any other than T/O and approach

Answer 5

T/O and approach: 200 FT AGL
Any other: 500 FT AGL

Question 6

Maximum airspeed for hands-on operation in cruise following a failure

Answer 6

120 KIAS

Question 7

Maximum airspeed for hands-on operation in approach following a failure

Answer 7

100 KIAS

Question 8

ILS approach limitations

Max. LOC interception distance
Max. LOC interception angle
Max. approach angle

Answer 8

4 NM
90 degrees
4.6 degrees

(GS mode shall not be engaged above the glideslope)

Question 9

Max. Operating time on ground if OAT > +40 degrees celcius?

Answer 9

15 min

Question 10

Max. OAT for AFCS continuous operation in case of loss of avionics ventilation

Answer 10

+30 degrees celcius

Question 11

Max. Operating time in case of loss of avionics ventilation when OAT > +30 degrees celcius?

Answer 11

30 min

Question 12

What is the limitation for GA below 60 KIAS?

Answer 12

Below 60 KIAS and with IAS mode engaged, use of the GA mode is prohibited

Question 13

Stick centering limitation - Maximum wind?

Answer 13

15 kts

(do not use this feature on sloping surface)