I dont work for them however I remember one FO saying the Basic was 5000 USD plus alowances he claimed about 10K+ a month. Bare in mind you do a Tax return annually so its not as he seemed to think Tax free.
Its a night Cargo Op so you can start figuring the roster pattern's.
The FO I met was a while back though. Maybe things have changed?
I did hear Mr R. Davies has retired?