English: Eurocontrol consultation on the draft Single European Sky Implementing Rule on a Common Charging Scheme for Air Navigation Services 
Welsh: Ymgynghoriad Eurocontrol ar y Rheol Gweithredu Awyr Sengl Ewropeaidd ddrafft ar greu Cynllun Codi Tâl Cyffredin am Wasanaethau Awyrlywio
Subject: Amgylchedd