Hello! First off I’ll say, I know in the real world, and to some extent, IF, a controller can do the duties of controllers below them. Center is qualified for all duties, APP/DEP can do each other’s jobs plus tower/ground, and tower can do ground. Most times when I’m on tower, and there is no ground, people pushback/taxi at their discretion, and stay on unicom, seems pretty accurate and typical. But sometimes I have people who are ready to pushback/taxi, including grade 5 pilots contact me on tower requesting t/o from rwy xx. In this situation I will reply “hold short rwy xx”, the closest I can give to taxi clearance as tower. If I’m not overly busy, this type of request doesn’t bother me, much better than some of the nonsensical requests I’ve seen. My question is, is this right/wrong for them to do? I know it’s not really typical, on the other hand if it’s not busy, it’s not that bad either. At first I thought this seemed improper, but as I’ve seen grade 5s do it, and since tower is qualified to control ground, maybe it’s fine. Maybe either way (contacting unicom, or tower) can both be appropriate. I just wanted opinions on this. Also, just maybe other pilots or controllers will see this and learn it. As I said, as a not busy controller it doesn’t bother me. Though as pilot, I personally use unicom until I taxi short of a rwy. One advantage I can see to having them contact tower is the pilot can be certain of which rwy tower would prefer them on for less interference and a quicker departure.
Thank you in advance!