Appendix 3.5 Summary of Measured Helicopter
Noise |
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Ka
On Building |
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Operation Mode 1 - Approach from
East and Take off to West |
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23-Mar-05 |
15-Jan-05 |
Average Value |
Duration of Each Operation, s |
1330 |
1400 |
1430 |
1500 |
1530 |
1600 |
1630 |
1700 |
1530 |
1600 |
1630 |
1700 |
|
Operation Mode |
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Event 1 |
Event 2 |
Event 3 |
Event 4 |
Event 5 |
Event 6 |
Event 7 |
Event 8 |
Event 2 |
Event 3 |
Event 4 |
Event 5 |
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Pass By |
61 |
51 |
54 |
52 |
40 |
26 |
55 |
49 |
45 |
76 |
52 |
44 |
50 |
Approach |
42 |
31 |
25 |
33 |
26 |
22 |
23 |
24 |
26 |
21 |
24 |
24 |
27 |
Hovering |
29 |
36 |
47 |
23 |
36 |
25 |
35 |
27 |
25 |
25 |
22 |
24 |
30 |
Idling |
600 |
569 |
492 |
675 |
748 |
443 |
913 |
680 |
719 |
786 |
931 |
548 |
675 |
Hovering |
81 |
44 |
64 |
73 |
96 |
32 |
56 |
65 |
21 |
69 |
69 |
65 |
61 |
Take Off |
14 |
19 |
15 |
14 |
14 |
12 |
20 |
14 |
5 |
6 |
6 |
6 |
12 |
Pass By |
8 |
11 |
9 |
7 |
36 |
9 |
8 |
9 |
16 |
11 |
13 |
8 |
12 |
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0.634 |
0.634 |
0.558 |
0.634 |
0.2 |
0.27 |
0.71 |
0.558 |
0.558 |
0.34 |
0.558 |
0.27 |
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Leq, dB(A) |
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0.558 |
0.558 |
0.558 |
0.558 |
0.34 |
0.41 |
0.066 |
0.41 |
0 |
0 |
0.133 |
0.71 |
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Operation Mode |
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Event 1 |
Event 2 |
Event 3 |
Event 4 |
Event 5 |
Event 6 |
Event 7 |
Event 8 |
Event 2 |
Event 3 |
Event 4 |
Event 5 |
|
Pass By |
72.0 |
74.8 |
71.4 |
73.4 |
73.9 |
72.1 |
71.1 |
72.1 |
72.1 |
72.2 |
71.6 |
71.8 |
66.5 |
with loading correction |
72.6 |
75.4 |
72.0 |
74.0 |
74.1 |
72.4 |
71.8 |
72.7 |
72.7 |
72.5 |
72.2 |
72.1 |
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without background |
63.3 |
72.1 |
62.0 |
68.3 |
69.6 |
64.5 |
45.4 |
58.2 |
66.4 |
66.2 |
64.2 |
64.2 |
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2121927.3 |
16325332.0 |
1569639.8 |
6695415.0 |
9108088.8 |
2803981.2 |
34891.2 |
658865.4 |
4316284.1 |
4143493.6 |
2632303.7 |
2616827.5 |
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Approach |
72.2 |
75.0 |
72.5 |
72.3 |
72.5 |
73.6 |
72.0 |
73.0 |
70.5 |
72.5 |
71.5 |
71.3 |
66.5 |
with loading correction |
72.8 |
75.6 |
73.1 |
72.9 |
72.7 |
73.9 |
72.7 |
73.6 |
71.1 |
72.8 |
72.1 |
71.6 |
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without background |
64.8 |
72.5 |
63.1 |
60.1 |
63.1 |
70.0 |
65.5 |
66.9 |
61.1 |
67.3 |
63.5 |
59.4 |
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2986266.2 |
17972295.8 |
2023869.0 |
1030822.9 |
2025002.3 |
9923710.5 |
3528184.4 |
4905403.7 |
1275851.1 |
5427074.6 |
2258171.3 |
865265.5 |
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Hovering |
72.6 |
74.1 |
74.7 |
72.9 |
74.2 |
74.0 |
73.2 |
74.8 |
74.2 |
74.9 |
74 |
73.8 |
70.9 |
with loading correction |
73.2 |
74.7 |
75.3 |
73.5 |
74.4 |
74.3 |
73.9 |
75.4 |
74.8 |
75.2 |
74.6 |
74.1 |
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without background |
66.8 |
70.5 |
71.9 |
66.0 |
70.4 |
70.9 |
69.8 |
72.2 |
72.0 |
72.9 |
71.7 |
70.8 |
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4839068.9 |
11123171.6 |
15361295.1 |
3942292.6 |
10946418.0 |
12275666.4 |
9468063.6 |
16557182.9 |
15783494.2 |
19615661.4 |
14758906.1 |
12037384.2 |
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Idling |
73.0 |
71.4 |
71.5 |
73.2 |
71.1 |
72.4 |
71.2 |
72.4 |
71.5 |
71.4 |
71.7 |
71.3 |
62.5 |
without background |
65.7 |
61.4 |
61.5 |
63.6 |
61.1 |
64.7 |
61.2 |
62.4 |
61.5 |
61.4 |
59.9 |
61.3 |
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3734522.2 |
1380384.3 |
1412537.5 |
2272089.9 |
1288249.6 |
2923610.6 |
1318256.7 |
1737800.8 |
1412537.5 |
1380384.3 |
987241.2 |
1348962.9 |
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Hovering |
73.0 |
73.0 |
73.8 |
72.2 |
72.2 |
72.7 |
72.3 |
73.1 |
74.1 |
73.8 |
71.4 |
72.8 |
67.3 |
with loading correction |
73.6 |
73.6 |
74.4 |
72.8 |
72.5 |
73.1 |
72.4 |
73.5 |
74.1 |
73.8 |
71.5 |
73.5 |
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without background |
68.1 |
66.1 |
69.6 |
54.0 |
61.3 |
67.8 |
63.2 |
66.7 |
70.6 |
70.1 |
56.3 |
69.5 |
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6470096.8 |
4067326.4 |
9080204.7 |
250349.6 |
1351467.2 |
6010048.7 |
2106878.2 |
4656025.1 |
11578582.4 |
10184486.5 |
429273.7 |
8949190.4 |
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Take Off |
75.3 |
75.4 |
77.3 |
76.5 |
76.6 |
76.9 |
74.3 |
75.3 |
79.6 |
78.1 |
77.9 |
76 |
75.6 |
with loading correction |
75.9 |
76.0 |
77.9 |
77.1 |
76.9 |
77.3 |
74.4 |
75.7 |
79.6 |
78.1 |
78.0 |
76.7 |
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without background |
73.5 |
73.2 |
76.3 |
75.1 |
75.2 |
76.0 |
70.9 |
72.9 |
78.9 |
77.1 |
77.0 |
75.2 |
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22311986.9 |
20806697.6 |
42869065.5 |
32171676.7 |
32835199.6 |
39372580.5 |
12191893.6 |
19456376.5 |
77075708.5 |
50761580.3 |
49773152.8 |
33391709.4 |
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Pass By |
78.3 |
79.1 |
79.2 |
79.4 |
75.2 |
78.3 |
79.6 |
77.5 |
78.4 |
81.1 |
77.5 |
81.6 |
78.6 |
with loading correction |
78.9 |
79.7 |
79.8 |
80.0 |
75.5 |
78.7 |
79.7 |
77.9 |
78.4 |
81.1 |
77.6 |
82.3 |
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without background |
77.8 |
78.7 |
78.8 |
79.1 |
72.8 |
77.8 |
78.9 |
76.4 |
77.4 |
80.6 |
76.5 |
82.0 |
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60659531.4 |
73806371.9 |
76383141.8 |
80416704.1 |
19213774.6 |
59847516.1 |
77462045 |
44018845.9 |
55057721.6 |
115021113 |
44179066.3 |
156726222 |
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Lmax, dB(A) |
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Operation Mode |
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Event 1 |
Event 2 |
Event 3 |
Event 4 |
Event 5 |
Event 6 |
Event 7 |
Event 8 |
Event 2 |
Event 3 |
Event 4 |
Event 5 |
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Pass By |
79.1 |
79.1 |
78.7 |
77.1 |
80.4 |
75.8 |
73.9 |
78.3 |
76.0 |
77.1 |
73.9 |
75.4 |
76.7 |
with loading correction |
79.7 |
79.7 |
79.3 |
77.7 |
80.6 |
76.1 |
74.6 |
78.9 |
76.6 |
77.4 |
74.5 |
75.7 |
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without background |
78.9 |
78.8 |
78.2 |
76.1 |
79.9 |
74.2 |
71.4 |
77.7 |
74.9 |
76.2 |
71.5 |
73.7 |
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77840821.7 |
75438051.3 |
66097639.1 |
40726296.7 |
98219493.1 |
26003191.5 |
13771186.3 |
59094838.3 |
31143530.6 |
41658728.6 |
14108738.6 |
23408131.0 |
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Approach |
76.5 |
79.4 |
77.5 |
77.4 |
76.5 |
76.1 |
74.1 |
78.5 |
72.4 |
75.5 |
73.8 |
74.1 |
75.3 |
with loading correction |
77.1 |
80.0 |
78.1 |
78.0 |
76.7 |
76.4 |
74.8 |
79.1 |
73.0 |
75.8 |
74.4 |
74.4 |
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without background |
75.5 |
79.1 |
76.6 |
76.5 |
74.8 |
74.6 |
71.8 |
78.0 |
67.5 |
73.9 |
71.3 |
71.4 |
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35471121.6 |
82165080.1 |
45747020.9 |
44970764.9 |
30177645.1 |
28896690.1 |
15133521.8 |
62717969.5 |
5635218.8 |
24566881.9 |
13473370.7 |
13863058.4 |
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Hovering |
75.9 |
77.5 |
80.7 |
76.0 |
79.3 |
77.1 |
76.5 |
78.8 |
76.9 |
77.8 |
77.6 |
77.2 |
77.2 |
with loading correction |
76.5 |
78.1 |
81.3 |
76.6 |
79.5 |
77.4 |
77.2 |
79.4 |
77.5 |
78.1 |
78.2 |
77.5 |
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without background |
74.6 |
76.7 |
80.6 |
74.4 |
78.6 |
76.0 |
75.7 |
78.4 |
76.2 |
77.1 |
77.1 |
76.3 |
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28801329.9 |
46452004.4 |
115401004.7 |
27447196.7 |
72529224.7 |
40121388.4 |
37466114.2 |
68475328.2 |
41567546.0 |
51358996.8 |
51629634.6 |
42357390.6 |
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Idling |
80.7 |
78.1 |
80.3 |
78.9 |
77.0 |
77.6 |
78.4 |
79.7 |
77.1 |
75.8 |
78.0 |
75.2 |
77.2 |
without background |
80.1 |
76.6 |
79.5 |
77.7 |
75.3 |
76.3 |
77.3 |
78.8 |
75.7 |
73.8 |
76.9 |
72.9 |
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101271654.5 |
45944551.5 |
88954921.9 |
59003840.3 |
33522854.3 |
43089596.0 |
54047484.6 |
75542636.0 |
37160763.0 |
24215097.0 |
49291891.8 |
19623483.3 |
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Hovering |
78.6 |
77.5 |
81.5 |
77.3 |
75.4 |
76.5 |
75.3 |
78.3 |
79.1 |
79.3 |
75.3 |
75.5 |
77.1 |
with loading correction |
79.2 |
78.1 |
82.1 |
77.9 |
75.7 |
76.9 |
75.4 |
78.7 |
79.1 |
79.3 |
75.4 |
76.2 |
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without background |
78.2 |
76.6 |
81.5 |
76.3 |
73.2 |
75.4 |
72.8 |
77.5 |
78.3 |
78.5 |
73.2 |
74.5 |
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66157766.3 |
45323158.1 |
142423131.4 |
42445202.7 |
20901431.2 |
34636389.9 |
19267679.4 |
56519119.7 |
67157676.2 |
71309961.2 |
21134315.0 |
28293407.8 |
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Take Off |
77.4 |
81.6 |
82.9 |
82.8 |
83.8 |
81.5 |
81.3 |
79.9 |
84.6 |
82.6 |
83.8 |
81.7 |
82.3 |
with loading correction |
78.0 |
82.2 |
83.5 |
83.4 |
84.1 |
81.9 |
81.4 |
80.3 |
84.6 |
82.6 |
83.9 |
82.4 |
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without background |
76.7 |
81.6 |
83.1 |
83.0 |
83.9 |
81.5 |
80.9 |
79.5 |
84.4 |
82.3 |
83.7 |
82.1 |
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46270384.7 |
145740592.3 |
203520505.2 |
198049735.6 |
242822067.1 |
140784303.3 |
121826359.4 |
89616147.1 |
274277774.9 |
168166243.2 |
233539371.5 |
160691058.5 |
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Pass By |
82.7 |
82.9 |
82.4 |
82.9 |
82.4 |
80.5 |
82.0 |
80.7 |
84.7 |
84.7 |
80.8 |
84.0 |
82.8 |
with loading correction |
83.3 |
83.5 |
83.0 |
83.5 |
82.7 |
80.9 |
82.1 |
81.1 |
84.7 |
84.7 |
80.9 |
84.7 |
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without background |
82.9 |
83.1 |
82.5 |
83.1 |
82.3 |
80.4 |
81.6 |
80.5 |
84.5 |
84.5 |
80.4 |
84.5 |
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195520480.9 |
203096642.4 |
179408933.6 |
203096642.4 |
171335812.6 |
108856085.6 |
145780673.4 |
111339133.3 |
280995547.2 |
281317080.0 |
110161418.6 |
282311617.8 |
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Background |
Event 1 |
Event 2 |
Event 3 |
Event 4 |
Event 5 |
Event 6 |
Event 7 |
Event 8 |
Event 2 |
Event 3 |
Event 4 |
Event 5 |
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72.1 |
72.7 |
72.6 |
72.7 |
72.2 |
71.6 |
71.8 |
72.5 |
71.5 |
71.4 |
71.4 |
71.3 |
72.0 |
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16218101 |
18620871.4 |
18197008.6 |
18620871.4 |
16595869.1 |
14454397.7 |
15135612.5 |
17782794.1 |
14125375.4 |
13803842.6 |
13803842.6 |
13489628.8 |
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