Low visibilty System and procedures

Question 1

When is the RED autoland light become active ?

Answer 1

Below 200ft on one of the RA
one AP engage and Flare mode or Land mode

Question 2

What will generate the Red auto land warning light to come on ?

Answer 2

Turn on when :
- Loss of LOC above 15ft
- Loss of Glide above 100ft
- Loss of both AP
- Deviation from LOC/GS
- RA discrepancy more than 15ft
- FMGS detect long flare
- FMGS detect untimely/early flare

Question 3

What is meant by Data Lock in LVP approach ?

Answer 3

Below 700ft, ILS Freq and course frozen.
If speed is managed no change to FMGS perf

Question 4

What is LAND mode ?

Answer 4

Below 400ft, The FMA displays “LAND”, indicating that LOC and G/S are locked. No action on the FCU will disengage LAND mode.

Question 5

How much rwy is remaining when you see full Red light ?
Alternating red and white ?

Answer 5

300m
900m