European Aircraft Noise Services
 

Yearly statistics

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Birchwil [Nur bis 11.2018], 2018

Number of identified overflights per month:

  01
Jan		 02
Feb		 03
Mar		 04
Apr		 05
May		 06
Jun		 07
Jul		 08
Aug		 09
Sep		 10
Oct		 11
Nov		 12
Dec
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Noise Indicator Lden (Diagram):























  01
Jan		 02
Feb		 03
Mar		 04
Apr		 05
May		 06
Jun		 07
Jul		 08
Aug		 09
Sep		 10
Oct		 11
Nov		 12
Dec
 

Noise Indicator Lden (Table):

Aircraft noise
Month LDay
(07‑20)		 LEvening
(06‑07+20‑22)		 LNight
(00‑06+22-24)		 Lden(1)
(00‑24)		 LDay
(06‑22)		 Ldn(3)
(00‑24)
January 58.1 56.2 51.9 60.3 57.7 59.6
February ---- ---- ---- ---- ---- ----
March 58.0 56.3 47.8 58.7 57.6 57.7
April 58.0 56.2 47.0 58.5 57.7 57.5
May 59.6 55.8 45.1 58.8 58.9 58.0
June 58.4 54.7 45.7 58.0 57.8 57.2
July 57.2 54.4 46.4 57.4 56.7 56.6
August 56.9 54.4 46.6 57.3 56.5 56.5
September 57.6 54.8 47.3 57.9 57.1 57.2
October 55.6 52.3 63.3 68.9 55.0 68.9
November ---- 53.0 63.6 69.6 46.9 69.5
December ---- ---- ---- ---- ---- ----
Ø Year 57.3 54.9 57.5 63.7 56.9 63.5
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(1)
Lden according to European Environmental Noise Directive 2002/49/EC
Only the above-listed incidents of overflights will be included in the noise calculation, which means that the calculated value will be rather poor for stations with bad overflight detection.
The Lden values contain the evening- (+5dB) and night surcharge (+10dB) according to the 'European Environmental Noise Directive'.
(3)
Ldn same as Lden, but without evening surcharge
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