The usual excuse for not acknowledging letters is that they (or a similar airline) is 'a small company without the resources to send out replies to the constant large volume of enquiries'
One day, I'd love to know just how many CV's from qualified pilots they really receive, not including those from spotty sixteen year olds.
Still, there is a surplus of pilots so if anyone on the inside knows anything, or what its like to work for them, let me know.