Apparently it have already become effective since 2014 https://www.faa.gov/about/office_org/headquarters_offices/apl/noise_emissions/airport_aircraft_noise_issues/levels/
While this is not mandatory yet and there are no airport restricting airplane not fulfilling this noise regulation from flying into them as far as I am aware of, would it be a good idea to start labelling those aircrafts in game according to it?
But I don’t know where can a list of aircrafts fulfilling the requirement can be found…
If according to data in “ACI Aircraft Noise Rating Index 2010” then it mean A310/A320ceo/some A330/737NG/744/some 767/some 777/MD11 are out.
Or should we just wait till end of next year when it become mandatory and FAA’s stage 5 also in effect so that FAA’s page would be updated with list of aircrafts complying stage 5?
Or data available on https://www.faa.gov/about/office_org/headquarters_offices/apl/noise_emissions/aircraft_noise_levels/can also be used for manual calculation