As for duty hours all I have to say is one word................AFRICA
When we operated down there it was expected that we would do the decent thing and operate back to back.
It would be good to have some regulation of hours but things do lapse sometimes.
I myself feel that it is necessary to have some sort of limitation on the number of hours worked, after all the flight may only be 4 hours but we could have been loading for 4 hours previous to departure, I would not be the first person to fall off the high loader as I was tired!
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'Thats not Flying! Thats just falling with style'