A320 autoland with failures
Hi there!
Being an air traffic controller I had an interesting discussion with a collegue about the A320's autoland functions/features.
What happens to FD and AP if the aircraft is in LOC-G/S, LAND, FLARE or ROLLOUT modes and e.g. the LOC or G/S signal is lost (aircraft receiver failure or ground transmitter failure)?
I understand that these FD modes guide the aircraft to a fully automated landing using localizer, glideslope and RA data. But what happens if some of the vital data are suddenly lost, especially when the aircraft is close to touchdown (e.g. LAND, FLARE, ROLLOUT)?
Thanks for any help!
Phil