Appendix 3.5 Summary of Measured Helicopter Noise
Wayson Commercial Building			Operation Mode 2 - Approach from West and Take off to East
		4-Apr-05								27-Jan-05				Average Value
Duration of Each Operation, s		1400	1430	1500	1530	1600	1630	1700	1730	1430	1500	1530	1600
Operation Mode		Event 2	Event 3	Event 4	Event 5	Event 6	Event 7	Event 8	Event 9	Event 1	Event 2	Event 3	Event 4
Pass By		--	18	30	18	27	11	20	23	19	16	29	34	22
Approach		--	30	34	40	29	31	38	34	39	28	28	30	33
Hovering		--	33	29	36	33	34	41	40	24	23	20	18	30
Idling		--	494	703	777	443	721	574	745	702	478	871	898	673
Hovering		--	70	44	59	68	42	60	50	48	39	45	47	52
Take Off		--	14	15	12	15	13	14	15	11	13	11	10	13
Pass By		--	24	33	35	36	31	32	22	24	25	38	34	30
		0.558	0.558	0.634	0.558	0.41	0.71	0.558	0.41	0.558	0.485	0.341	0.788
Leq, dB(A)		0.71	0.634	0	0	0	0.2	0.41	0.2	0.066	0.133	0	0.634
Operation Mode		Event 2	Event 3	Event 4	Event 5	Event 6	Event 7	Event 8	Event 9	Event 1	Event 2	Event 3	Event 4
Pass By		--	77.3	70.7	72.4	71.5	74.2	72.0	73.1	73.5	77.8	76.7	74.3	73.2
with loading correction		--	77.9	71.3	73.0	71.9	74.9	72.6	73.5	74.1	78.3	77.0	75.1
without background			77.1	66.3	70.2	67.4	73.1	68.3	70.4	70.3	77.4	75.7	72.5
			51516148.2	4263107.8	10428051.2	5523870.1	20502907.5	6801691.6	10957283.0	10665492.8	55072501.8	37104485.8	17815679.2
Approach		--	79.1	72.8	76.9	74.1	77.0	75.2	76.2	78.6	79.5	82.1	79	77.8
with loading correction		--	79.7	73.4	77.5	74.5	77.7	75.8	76.6	79.2	80.0	82.4	79.8
without background			79.2	71.0	76.7	72.6	76.9	74.2	75.4	78.3	79.4	82.1	79.1
			82877317.4	12717020.7	46360378.4	18248799.7	48548822.5	26432851.5	34332652.5	67584783.4	87352520.3	161938810.6	80781350.9
Hovering		--	79.4	78.4	78.4	77.8	77.0	77.8	78.9	79.2	80.3	81.6	81	79.3
with loading correction		--	80.0	79.0	79.0	78.2	77.7	78.4	79.3	79.8	80.8	81.9	81.8
without background			79.5	78.5	78.4	77.5	76.9	77.6	78.7	79.0	80.3	81.5	81.4
			89487649.6	70724583.9	69335799.5	56221650.4	48548822.5	57297077.5	73828475.2	79789066.5	107509224.6	142861132.4	136484092.0
Idling		--	70.0	70.4	70.0	70.1	70.2	71.6	70.4	71.6	71.7	71.4	71.2	61.0
without background			56.5	62.1	58.2	53.7	60.2	65.1	60.4	61.6	64.0	55.0	61.2
			450074.1	1632239.0	667457.0	232929.9	1047128.5	3234213.2	1096478.2	1445439.8	2488396.2	314213.8	1318256.7
Hovering		--	74.0	76.7	75.7	74.6	77.0	74.9	74.5	77.9	76.7	79	77.5	75.5
with loading correction		--	74.6	76.7	75.7	74.6	77.2	75.3	74.7	78.0	76.8	79.0	78.1
without background			72.9	75.7	74.4	72.8	76.2	73.6	72.6	76.8	75.6	78.2	77.0
			19517060.0	37440971.1	27820979.9	18840315.0	42009460.5	22742342.7	18030556.1	47812615.9	35925395.3	65943194.6	50618478.1
Take Off		--	74.2	75.0	74.2	74.1	73.9	73.1	73.4	74	74.5	74.4	73.5	71.8
with loading correction		--	74.8	75.0	74.2	74.1	74.1	73.5	73.6	74.1	74.6	74.4	74.1
without background			73.2	73.5	72.3	72.0	71.8	70.5	70.6	70.3	72.2	71.5	70.6
			20886944.9	22290233.6	16970136.9	15703957.8	15232672.3	11218634.7	11427140.3	10712428.7	16757606.0	14052658.2	11451580.7
Pass By		--	70.7	72.0	71.9	70.1	72.6	70.7	70.7	72.7	72.3	72.2	71.7	65.9
with loading correction		--	71.3	72.0	71.9	70.1	72.8	71.1	70.9	72.8	72.4	72.2	72.3
without background			66.1	68.1	67.9	53.7	69.3	62.3	59.1	66.1	67.2	64.9	64.3
			4045724.9	6516388.9	6155623.2	232929.9	8583321.7	1692008.2	821151.5	4114931.2	5207870.9	3106240.2	2661512.5
Lmax, dB(A)
Operation Mode		Event 2	Event 3	Event 4	Event 5	Event 6	Event 7	Event 8	Event 9	Event 1	Event 2	Event 3	Event 4
Pass By		--	81.7	74.6	78.2	76.8	77.8	76.9	76.3	77.7	82.0	85.5	77.3	79.9
with loading correction		--	82.3	75.2	78.8	77.2	78.5	77.5	76.7	78.3	82.5	85.8	78.1
without background			82.0	73.8	78.2	76.3	77.8	76.5	75.5	77.2	82.2	85.7	77.0
			158640008.1	24040822.1	65795140.8	42601726.6	60486491.3	44472736.9	35399802.0	52166534.8	164912116.8	370305978.7	49932870.6
Approach		--	84.1	76.4	80.7	78.0	82.4	83.7	79.8	84.5	83.1	87.7	85.0	83.7
with loading correction		--	84.7	77.0	81.3	78.4	83.1	84.3	80.2	85.1	83.6	88.0	85.8
without background			84.5	76.1	80.9	77.7	82.9	84.1	79.7	84.9	83.3	87.9	85.6
			282730680.7	41180089.2	124265470.3	59342580.6	194173178.2	255342896.8	93472706.7	305688228.4	215994204.8	623452536.6	364685946.5
Hovering		--	84.5	84.0	84.3	83.8	81.7	84.8	84.3	84.9	84.9	86.0	84.9	84.9
with loading correction		--	85.1	84.6	84.9	84.2	82.4	85.4	84.7	85.5	85.4	86.3	85.7
without background			84.9	84.5	84.7	84.0	82.1	85.2	84.5	85.3	85.2	86.2	85.5
			310929386.4	281337316.0	296722824.2	253633138.6	163709401.9	332179585.5	284319710.4	336607494.4	333238641.9	417136125.5	356055658.6
Idling		--	76.6	77.4	75.2	74.0	75.3	83.8	76.3	76.9	81.7	78.3	78.0	77.9
without background			75.6	76.6	73.8	71.8	73.7	83.6	74.9	75.3	81.3	77.3	76.9
			36158893.1	45621544.38	23780569.14	15118864.32	23413130.13	228663107.4	31176415.67	34186798.1	135608151	54118668.7	48641336.7
Hovering		--	81.1	83.1	84.3	82.1	84.8	83.4	80.0	84.3	83.5	86.3	84.4	83.7
with loading correction		--	81.7	83.1	84.3	82.1	85.0	83.8	80.2	84.4	83.6	86.3	85.0
without background			81.4	82.9	84.1	81.8	84.9	83.6	79.7	84.1	83.4	86.2	84.8
			139523420.3	194841251.5	259820937.4	152181009.7	305756480.5	229216095.5	93231318.6	258483977.2	218531430.7	413089890.0	304258765.0
Take Off		--	77.4	82.0	76.4	78.4	76.7	76.1	77.0	76.4	77.8	76.5	77.0	77.1
with loading correction		--	78.0	82.0	76.4	78.4	76.9	76.5	77.2	76.5	77.9	76.5	77.6
without background			77.3	81.7	75.4	77.7	75.9	75.3	76.1	74.7	77.0	74.9	76.4
			54041710.4	149156776.2	34319040.2	59183097.1	38506596.5	33551145.9	40999209.8	29528941.5	49827118.6	31178730.4	43541863.9
Pass By		--	73.1	74.3	73.8	71.9	75.9	73.1	73.5	75.2	74.1	75.9	74.2	72.1
with loading correction		--	73.7	74.3	73.8	71.9	76.1	73.5	73.7	75.3	74.2	75.9	74.8
without background			71.5	72.5	71.7	67.4	74.8	70.5	70.8	72.7	71.5	74.1	72.0
			14076607.3	17582805.0	14655786.2	5488166.2	30266742.3	11218634.7	11960751.9	18829093.5	14200615.2	25414885.7	15982473.0
Background		Event 2	Event 3	Event 4	Event 5	Event 6	Event 7	Event 8	Event 9	Event 1	Event 2	Event 3	Event 4
		--	69.8	69.7	69.7	70	70.2	70.5	70.6	71.7	70.9	71.3	71.6	70.6
		--	9549925.86	9332543.008	9332543.008	10000000	10471285.48	11220184.54	11481536.21	14791083.9	12302687.7	13489628.8	14454397.7