So do some adjust the ref additive on the fly? I typically set the additive based off the atis while in range. I adjust it when cleared to land if its a big change, like no longer gusting, but i dont change it if its just a change in wind speed or direction. maybe its because i'm not that fast at mental math?
It seems like when i hear a wind check, the guy is at 500ft. Are guys adjusting Vapp at 500ft?