Lentoturvallisuushallinnon ilmailumääräys OPS M5-7, muutos 3, 25/02/1999: Lentotoimintarajoitus meluisille suihkulentokoneille

This procedure updates flight safety regulations concerning noise restrictions for noisy jet aircraft. It aims to manage noise pollution from aviation operations. The changes affect flight operations and potentially aircraft manufacturers and airlines operating noisy jet aircraft.