I have RADALT, I was far from happy with them... Neither were my co-workers from Airbus who had to train them... maybe more will come to light when they look at the training records of some of the pilots currently flying Airbus A/C in Libya.
For the record I'm not talking about the Brookfield pilots... but the local pilots.
Some are ok... the young ones... but the older guys for the most part do not have a clue.
PT6A