Changes made by Council Directive of 20 December 1979 on the limitation of noise emissions from subsonic aircraft (80/51/EEC)
EU Directive 1980/51
No changes made by Council Directive of 20 December 1979 on the limitation of noise emissions from subsonic aircraft (80/51/EEC) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.