Correct, there is no requirtement for anyone to stop controlling in OZ at any age. As long as you pass your annual proficiency check and 2 yearly medical you can keep on truckin. What may confuse the matter is the ABILITY for ATC to retire at 50 but many do not.
Originally Posted by oldishfart
Or am I just a sour-grapes tertiary educated pilot who failed the test?
I would run with that if I were you. Much easier than making a tin foil hat.