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| English | German |
| aircraft engine emission The formation and discharge of gaseous and particulate pollutants into the environment, especially the stratosphere, chiefly from airplanes, helicopters and other high-altitude aircrafts | Flugzeugemission |
| aircraft engine emission | Flugzeugemission |
| aircraft footprint | Flugzeugabdruck |
| aircraft for stratospheric research | Flugzeug zur Stratosphärenforschung |
| aircraft noise Effective sound output of the various sources of noise associated with aircraft operation, such as propeller and engine exhaust, jet noise, and sonic boom | Fluglärm |
| conveyance by aircraft | Lufttransport |
| noise certification of an aircraft | Zulassung eines Flugzeuges unter dem Aspekt seiner Laermentwicklung |
| noise level of the aircraft | Lärmpegel des Flugzeugs |