Originally Posted by fizz57
Just a general thought - does the Flight Path Vector display use air data at all or is it just inertial? Would this have helped the pilots' SA in this situation?
ACARS messages tell that the FPV (bird) has been selected, but the bird on both PFDs disappeared.
- Was it available at all, initially ?
- Was it followed ?
- Was it reliable ?
BEA, the data ...