BIK, you are correct I believe. There is no limit prescribed by our legislation. There is also no power to breath test that I have been able to find either. Which is kind of stupid. As I'm sure most are aware, the 8 hour limit from bottle to throttle COULD result in a pilot still being way over the Road Safety Act interpretation, but being considered acceptable to fly. I guess it's a case of if you don't f#ck up, then no problem...............Not that I agree with that....... In Victoria at least, if you are involved in an accident, and you are injured and require ambulance or hospital treatment, then a blood test would be taken. That may lead to questions of course.........