Originally Posted by
055166k
Poor controlling technique. Controllers should not try to fly the aeroplane......that's your job. Don't think I ever used that during a long career. Instruct or clear "level by" and let the pilot choose the solution..... would be my preference. Of course the real answer may be the particular traffic scenario at the time.......a friendly query letter to the ATC agency might explain.
I'd have to disagree from an AC perpective. Often a/c are now on 3Di directs that are 100's miles in the distance and level by restrictions are not as common as they once were. A rate of descent/climb calculated correctly is an expeditious way of gaining the required separation and being able to ensure the BADA model with iFACTS can be monitored rather than watched.