Originally Posted by
MaxReheat
I'd suggest that 99.9% of aircraft operatig over Europe and surrounds ARE NOT flying on the inches subscale and are using millabars/hectopastels day-in, day-out, year-in, year-out nay decade-in, decade-out. The 'confusion' thereby necessitating this needless waste of breath only exists in the minds of yet another ground-based 'safety' committee.
Yes, let's ignore the level busts and near-level busts caused by N. American-based crews hearing 992(mb/hpa) and entering 29.92(in) (or similar), let alone the many every U.K. controller has caught at the readback stage.