Depends on how many heavy trucks are outside, as they generate more noise than a 738 on a 1 for 1 basis? Aircraft are considerably quieter now than many other noise producers in our life, yet move massive numbers of people and goods compared to their competitors!
| dB(A) |
Threshold of pain | 140+ |
Pneumatic drill (unsilenced at 7m distance) | 95 |
Heavy diesel lorry (40km/h at 7m distance) | 83 |
Modern twin-engine jet (taking off at 152m distance) | 81 |
B737-800 jet: arriving at Sydney Airport (flying over Leichhardt)B737-800 jet: departing from Sydney Airport (flying over Croydon) 2 | 75.470.9 |
Passenger car (60km/h at 7m distance) | 70 |
Office environment | 60 |
Ordinary conversation | 50 |
Library reading room | 40 |
Quiet bedroom | 35 |
Threshold of hearing | 0 |