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Commission Directive (EU) 2015/996Show full title

Commission Directive (EU) 2015/996 of 19 May 2015 establishing common noise assessment methods according to Directive 2002/49/EC of the European Parliament and of the Council (Text with EEA relevance)

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Helicopter Noise and Performance Data Set 2

Data is provided for three helicopter classes, based on maximum take-off mass:

1.

Light helicopter (LHEL) MTOM < 3 000 kg

2.

Medium helicopter (MHEL) 3 000 kg < MTOM < 6 000 kg

3.

Heavy helicopter (THEL) MTOM > 6 000 kg

Default arrival and departure flight profiles are provided as fixed point profiles. Default departure flight profiles assume climb to a level flight altitude of 1 000 ft (305 m) for each helicopter class. Where the level flight portion on departure or arrival differs locally from these values, it is recommended that the default profiles are adapted to reflect local circumstances.

Table I-23

Helicopter Data Set 2 Description Table

ACFT_IDDescriptionEngineTYPENumber of EnginesWeight ClassOwner CategoryMGTOW (lb)MGLW (lb)Max Landing Dist (ft)Max Sea Level Static Thrust (lb)Noise ChapterNPD_IDPower ParameterApproach Spectral Class IDDeparture Spectral Class IDLateral Directivity Indentifier
LHELHelicopters with MTOM ≤ 1 tTurboprop00Helicopter0001000LHELSHP (% of Max Static Thrust)215112Prop
MHELHelicopters with MTOM 1-3 tTurboprop00Helicopter0001000MHELSHP (% of Max Static Thrust)215112Prop
THELHelicopters with MTOM 3-5 tTurboprop00Helicopter0001000THELSHP (% of Max Static Thrust)215112Prop
Table I-24

Helicopter Data Set 2 Departure Profiles

ACFT_IDOp TypeProfile IDStage LengthPoint NumberDistance (ft)Altitude (ft)TAS (kt)Corrected Net Thrust (%)OP_MODE
LHELDDEFAULT1100150X
LHELDDEFAULT12100350X
LHELDDEFAULT132016550X
LHELDDEFAULT1410216560D
LHELDDEFAULT15561305060D
LHELDDEFAULT162 2975157060D
LHELDDEFAULT174 0321 0019070D
LHELDDEFAULT187 0141 00110070D
LHELDDEFAULT1910 0001 00111070D
MHELDDEFAULT1100150D
MHELDDEFAULT12100250D
MHELDDEFAULT132016350D
MHELDDEFAULT14102163050D
MHELDDEFAULT15561306050D
MHELDDEFAULT164 0321 0016575D
MHELDDEFAULT176 7851 00110075D
MHELDDEFAULT1810 0001 00112675D
THELDDEFAULT11001100X
THELDDEFAULT121002100X
THELDDEFAULT132016350D
THELDDEFAULT14102163050D
THELDDEFAULT151 0011516050D
THELDDEFAULT154 6791 0006575D
THELDDEFAULT156 6811 0008375D
THELDDEFAULT158 6791 00010075D
THELDDEFAULT1513 6791 00011375D
THELDDEFAULT1518 6791 00012675D
Table I-25

Helicopter Data Set 2 Arrival Profiles

ACFT_IDOp TypeProfile IDStage LengthPoint NumberDistance (ft)Altitude (ft)TAS (kt)Corrected Net Thrust (%)OP_MODE
LHELDDEFAULT13– 50 0031 00011570X
LHELDDEFAULT14– 9 3321 00011370X
LHELDDEFAULT15– 6 34068611080A
LHELDDEFAULT16– 4 0294439580A
LHELDDEFAULT17– 1 6861978080A
LHELDDEFAULT18– 8431086080A
LHELDDEFAULT19020580A
LHELDDEFAULT191020380A
LHELDDEFAULT191210180A
MHELDDEFAULT12– 40 2291 00013575X
MHELDDEFAULT13– 36 3221 00012375X
MHELDDEFAULT14– 32 4111 00011275X
MHELDDEFAULT15– 28 5041 00010075X
MHELDDEFAULT16– 22 1451 0009075X
MHELDDEFAULT17– 15 7841 0008075X
MHELDDEFAULT18– 9 4261 0007075X
MHELDDEFAULT18– 5 1535516060A
MHELDDEFAULT18– 750895060A
MHELDDEFAULT18– 62162060A
MHELDDEFAULT18010560A
MHELDDEFAULT181020260A
MHELDDEFAULT181210160A
MHELDDEFAULT18– 40 2291 00013575X
MHELDDEFAULT18– 36 3221 00012375X
MHELDDEFAULT18– 32 4111 00011275X
MHELDDEFAULT18– 28 5041 00010075X
MHELDDEFAULT18– 22 1451 0009075X
MHELDDEFAULT18– 15 7841 0008075X
MHELDDEFAULT18– 9 4261 0007075X
MHELDDEFAULT18– 5 1535516060A
MHELDDEFAULT18– 750895060A
MHELDDEFAULT18– 62162060A
MHELDDEFAULT18010560A
MHELDDEFAULT181020260A
MHELDDEFAULT181210160A
Table I-26

Noise Characteristic data for Helicopter Data Set 2

NOISE_IDTHRSET_TYPMODEL_TYPESPECT_APPSPECT_DEPSPECT_AFB
LHELPI2151090
MHELPI2151090
THELPI2151090
Table I-27

Noise Power Distance (NPD) data for three helicopter classes

NPD IdentifierNoise DescriptorPower SettingOp ModeL _200ftL_400ftL_630ftL_1000ftL_2000ftL_4000ftL_6300ftL_10000ftL_16000ftL_25000ft
LHELMAX80A84,679,175,771,665,860,15648,841,634,4
LHELMAX70X88,482,979,575,670,36561,655,449,243
LHELMAX60D83,678,275,170,366,561,758,953,347,742,1
LHELMAX50S91,785,381,576,569,461,556,549,642,735,8
LHELSEL80A90,587,184,982,177,672,167,962,456,951,4
LHELSEL70X90,48784,781,977,57268,162,957,752,5
LHELSEL60D85,982,580,477,773,468,464,659,654,649,6
LHELSEL50S85,982,580,477,773,468,464,659,654,649,6
MHELMAX50D91,885,280,675,767,558,151,242,63425,4
MHELMAX60A90,283,98075,368,460,955,849,543,236,9
MHELMAX75X92,4868277,27062,357,150,844,538,2
MHELSEL50D91,287,284,880,87568,163,757,651,545,4
MHELSEL60A94,290,188,184,78074,771,36660,755,4
MHELSEL75X89,385,382,878,973,166,662,65751,445,8
THELMAX50D91,285,281,776,368,860,454,94637,128,2
THELMAX60A9084,180,775,568,560,655,34840,733,4
THELMAX75X92,486,482,977,570,161,655,748,140,532,9
THELMAX100S100,293,890,384,977,569,364,356,548,740,9
THELSEL50D92,889,387,48479,273,569,663,757,851,9
THELSEL60A91,688,286,483,278,873,77064,759,454,1
THELSEL75X9490,588,685,280,574,770,464,859,253,6
THELSEL100S92,889,387,48479,273,569,663,757,851,9

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