Originally Posted by
savall
I wonder what vertical mode was in use as well. Is it possible that a vertical path could have been input ? I know there was discussion of this a few pages back.
The A300 uses either Profile mode or Vertical Speed for a LOC approach, with Profile being the preferred method. In profile, the auto flight system and auto-throttles will mode revert and the autopilot will disengage at 50 feet below DA.