At my home base, I like to be in a position to enable the controller to use "reduced separation in the vicinity of an aerodrome".
Eh? What has that go to do with a conditional line up?
The conditional clearance is a tool for ATC to avoid gaps which accumulate delays
Well kind of. I would say more to allow you to move onto other calls. It is therefore more expeditious (if that is what you meant?).
If I give a conditional line up clearence and you pull onto the runway behind an A/C that hasn't started his/her roll, I will not be impressed. Wait until the aircraft has begun to roll at least.
