Would Apply To New Airplanes With A MTOW Over 121,254 Pounds
The FAA has proposed a new rule that would establish 'Stage 5' noise standards that would have to be met by "any person submitting an application for a new airplane type design with a maximum certificated takeoff weight of 121,254 pounds (55,000 kg) or more on or after December 31, 2017; or with maximum certificated takeoff weight of less than 121,254 pounds (55,000 kg) on or after December 31, 2020.