Apologies if I misunderstood orions first post slightly, but the phrasing in the original post implied 500 hrs p1 required to instruct, rather than 500 hours p1 for removal of the restriction. In any case surely 500 hours of instructional time would still be a bit excessive for removal of the restriction. I do agree that an upgrade test is more sensible that the 25 solo sign off requirement (which with the practice of "passing on" students for signing off, the 25 solo signs offs can be quite meaningless).