FD Point taken - no reason why you can't do a positive check on the tab - I guess my answer came from the fact that I'd never heard of someone doing it on the tab as well as the elevator. We do it (or rather I did it some years ago ) on the elevator because they can be misconnected. But given that the tab is fixed you would assume that if the elevator responds to a positive check then the tab is OK too.
Then again, if you had just rebuilt the fuselage.......
