Hmm perhaps our esteemed moderator's choice of words was a tad suspect, and I am certain no offence was intended.
However, his points remain valid ones. Working for more than your contracted hours without recompense is not wise. Not wise for the individual, as management will expect you to do it again, and you will lose out. Financially and in personal time. Not wise for your colleagues, as the management will expect the same of everyone else.
NATS is now allegedly a "commercial" company. Perhaps its should now start behaving like one, and paying for "extras" accordingly. As I see it, it gets by because of the sheer professionallism and commitment of it's staff.
BEX.
P.S. Touch my pension and I will be angry. You wouldn't like me when I'm angry. (The same is true for most operational staff)