HomeMy WebLinkAbout2025-05-00-HFAC-rpt (Monthly Noise Report)
Summary of Monthly NoiseReport
Comparison of May 2024 to2025
Page1: The total number of 7 a.m. to 11 p.m. operationsdecreased6.5% inMay 2025, as
compared to May 2024. Singles (including touch-and-goes)decreased10.2%compared to May
2024. Turbo activitydecreased14.6% while Jet activityincreased 1.9%. Helicopter activity had a
6.3% decrease inactivity. Night activitydecreased 16.6% from259 operations inMay 2024, to 216
operations inMay 2025.
Page2: Civiliandeparture EXP, using the Aviation Environmental Design Tool (AEDT) Version
2d, was107.5 decibels inMay 2025.
EXP is the logarithmic sum, in decibels (dB), of thetotal aircraft noise on an average day for the
aircraft thatoperated atHanscomField. The estimate is made forapointon the ground 15,000 feet
10:00 p.m. and 7:00 a.m. For more information about EXP calculations, please visit the Massport
website to view Appendix A of the Annual Noise Report at: https://www.massport.com/hanscom-
field/about-hanscom/publications-reporting/
Pages 3a-c:EXP using AEDT 2d calculations forMay 2025 are onPages3 a-c.
Page4: The top graph provides a visual picture of the changes in departure EXPover the past 24
months, showing the ups and downs since May 2023 for civilian, military and total EXP. It
demonstrates the widevariability in military departure EXP, which ranged from a low of 79.0 dB
(January 2025) to a highof 119.9 dB (December 2023).Civilian departure EXP ranged betweena
peak of 108.5 dB (November 2023)to a low of 106.1 dB (March 2025). Beginning in January 2020,
AEDT 2d is being used to calculate noise values.
Thebottom graph indicates trends since May 2020, with each point on the graph representing the
interval average for the previous 12 months. The military interval average remained steady, then
decreased through 2020 with the COVID-19 pandemic. A steadyincrease continued throughout
2021 and through mid-2022, dropping sharply at the end of 2022.Itremained steadythrough 2023,
climbingin2024. 2024 had a slight decrease withlows toward the end of the yearand start of 2025.
2025 has spiked with increasedmilitary aircraft through mid-summer. The civilian interval average
does not demonstrate the pronounced ups and downs seen in the military interval average, but it
demonstrates a steep downward trend throughout 2020 with the pandemic. A gradual upward trend
can be seenfrom 2021 to 2022 as operations return from pandemic lows, leveling out through the
beginning of 2023. 2023 remained level throughmid-2024 and decreasedthroughmid2025.
Page 5: There wasa decrease in noise disturbance reports from325 in May 2024 to229 inMay
2025, made by27 separate households.
Page6: When compared to May 2024, there wasan increase of 1.3 dB atSite 31 on the airport, a
decrease of-0.4 dB at Site 32 on the airport,an increase of 3.6 dB at Site 33 in Lincoln, an increase
of 0.8 dBat site 34 in Bedford, a decreaseof 0.4 dB at site 35 in Lexington and a decreaseof-0.1
dBat site 36 in Concord. There was one monitoring day over 70 dB DNL,at Site 31 on May All
noisemonitors were 100%operational throughout the month.
2025 - to - DATE PRELIMINARY REPORT PAGE 1
(All data is reviewed for the Annual Noise Report--data for 2024-2025 may be adjusted.)
Prepared June 2025
MONTHLY STATISTICS REPORT - HANSCOM FIELD
20242025
FROM FAA TOWER REPORTS & ESTIMATES (7 A.M.-11 P.M)FROM FAA TOWER REPORTS & ESTIMATES (7 A.M.-11 P.M)
CIVILIANCIVILIAN
MONTHMILITARYTOTALMONTHMILITARYTOTAL
TWINTWIN
LOCALSINGLESTURBOJETHELILOCALSINGLESTURBOJETHELI
PISTONPISTON
January 21491182298351264276875 7,465 January 1862840276362263283490 6,896
February 319819163243572642693116 9,246 February 21019622663232654701119 7,126
March 233413393384482943738124 8,264 March 204211962933982842744140 7,655
April 334522383776043069816130 10,579 April 260515733314513045774168 8,947
May 319722854457343402870170 11,103 May 309418293966273467815150 10,378
June 355824914717742981850202 11,327 June
July 337222425088142641878164 10,619 July
August 341721534957952566876190 10,492 August
September 328321184757463139841146 10,748 September
October 346824924666693384836208 11,523 October
268416963985323012817134 9,273 November
November
December 23841309359470302982697 8,474 December
TOTALTOTAL
TO-DATETO-DATE
36,38923,4614,9547,29435,4509,8091,756119,11311,7046,4001,5622,16114,6403,86866741,002
Note: The 2024 figures are preliminary. All 2024 data will be reviewed before publication of the 2024 annual noise report.Note: The 2025 figures are preliminary. All 2025 data will
be reviewed before publication of the 2025 annual noise report.
NIGHT OPERATIONS (11 P.M.-7 A.M.)NOISE DISTURBANCE REPORTS
2025
MONTHMONTH
2019202020212022202320242025 20182019202020212022202320242025
EXMPT
(inc. exempt)(inc. exempt)(inc. exempt)(inc. exempt)(inc. exempt)(inc. exempt)(inc. exempt)
January18915213515416318817263 January 3067228204355299184379
February19516311416414615717158 February 2958246129275183363134
March18412214619816318915142 March 35147166232428119339122
April2154913623018521920847 April 2922162189334177252127
May2306518327823025921645 May 6422854306389259325229
June192110210270215267 June 58301146372475208534
July221132224226226215 July 56197141264252501561
August172151219231222189 August 73168104333278831559
September193147212232234218 September 70214315602614424375
October227170233262233252 October 82237158828494573508
November224123208211201208 November 59259219796304286260
December184111171198166200 December 62157179420211224257
TOTALTOTAL
TO-DATE242614952191265423842561918255TO-DATE6472,2542,0184,6754,4094,0844,517991
Exempt includes: Medical emergency, FAA, CAP, military, & based operators with ATC, mechanical, or weather delays
PAGE 2
CIVILIAN DEPARTURE EXP COMPARISON
Month2013201420152016201720182019
107.7dB107.6dB107.3dB107.9dB107.3dB106.8dB*106.7dB*
Jan
Feb108.5dB108.3dB107.8dB107.6dB107.6dB107.3dB*107.1dB*
Mar107.8dB108.0dB108.1dB107.5dB107.7dB107.9dB*107.1dB*
Apr108.7dB108.1dB108.4dB107.7dB108.4dB107.2dB*107.5dB*
May108.4dB109.0dB108.2dB107.8dB107.8dB*107.9dB*108.2dB*
June109.7dB108.0dB108.1dB108.2dB107.8dB*107.6dB*108.1dB*
July108.3dB107.8dB108.0dB106.8dB106.7dB*106.7dB*108.0dB*
Aug108.3dB107.6dB108.0dB107.5dB106.2dB*106.3dB*106.8dB*
Sept108.6dB109.1dB108.0dB108.1dB107.5dB*107.1dB*107.4dB*
Oct109.4dB109.0dB108.3dB108.2dB107.4dB*107.9dB*107.6dB*
Nov108.6dB108.3dB108.9dB108.7dB107.2dB*107.3dB*107.2dB*
Dec108.7dB107.6dB107.6dB107.7dB106.4dB*106.7dB*106.8dB*
--------------------------------------------------------------------------------------------------------------------------------------------------------------------
ANNUAL EXP108.6dB108.2dB108.0dB107.3dB107.2dB107.2dB*107.4dB
================================================================================================
ANNUAL
154,251134,288128,279121,786128,598121,664128,671
OPERATIONS
CIVILIAN DEPARTURE EXP COMPARISON
2024-2025
Month202020212022202320242025
Difference
106.2dB*105.6dB*106.5dB*106.6dB*106.8dB*106.4dB*-0.4dB*
Jan
107.2dB*105.2dB*107.1dB*106.2dB*106.5dB*106.3dB*-0.3dB*
Feb
105.7dB*106.9dB*107.2dB*106.7dB*106.8dB*106.1dB*-0.8dB*
Mar
101.0dB*106.5dB*107.5dB*108.2dB*107.3dB*107.1dB*-0.2dB*
Apr
105.1dB*108.3dB*107.9dB*108.0dB*107.6dB*107.5dB*-0.1dB*
May
105.1dB*107.5dB*108.2dB*107.6dB*108.3dB*dB*dB*
June
105.7dB*107.0dB*107.7dB*106.9dB*106.8dB*dB*dB*
July
106.0dB*108.4dB*107.7dB*107.3dB*106.4dB*dB*dB*
Aug
105.9dB*107.5dB*107.9dB*107.7dB*107.6dB*dB*dB*
Sept
106.3dB*108.0dB*108.0dB*107.4dB*107.2dB*dB*
OctdB*
106.1dB*107.9dB*108.1dB*108.5dB*107.4dB*dB*dB*
Nov
106.7dB*106.9dB*106.5dB*106.6dB*106.5dB*dB*dB*
Dec
--------------------------------------------------------------------------------------------------------------------------------------------------------------------
105.6dB107.1dB107.5dB107.3dB107.1dB106.7dB
ANNUAL EXP
================================================================================================
ANNUAL
99,725124,580122,216122,779119,11341,002
OPERATIONS
*Beginning in Jan 2020, AEDT 2d is used to calculate SEL values
Text134:
EXP for 5/1/2025 through 5/31/2025
6/4/2025 5:01:48 PM
GroupStageRep TypeCat IDSectorDeparturesArrivalsPartial
NumberEXP
11 PM 11 PM
SELDay10 PMEXPSELDay10 PMEXP
to to
toto
7 AM7 AM
11 PM11 PM
19C525, C500, C501JCIV87.102.450.030.0392.0185.502.420.030.0690.8094.46
29C560JCIV89.001.580.000.0391.7986.601.580.000.0389.3993.77
2M 9UC-35 \[MIL\]JMIL89.000.030.000.0074.0986.600.030.000.0071.6976.06
3 9LJ35, LJ45, H25B, H25JCIV91.106.290.100.55102.1588.206.190.390.3599.54104.05
3M 9C-21 \[MIL\]JMIL91.100.000.000.000.0088.200.000.000.000.000.00
4 9DA02JCIV95.500.000.000.000.0098.900.000.000.000.000.00
4M 9HU25 \[MIL\]JMIL95.500.000.000.000.0098.900.000.000.000.000.00
59LJ25, LJ24, H25AJCIV104.900.000.000.000.0099.800.000.000.000.000.00
5M 9T-37, T38 \[MIL\]JMIL104.900.000.000.000.0099.800.000.000.000.000.00
69BAC-111JCIV96.100.000.000.000.0099.900.000.000.000.000.00
79GLF3JCIV81.800.060.030.0077.6888.200.100.000.0078.0680.88
7M 9GLF3 \[MIL\]JMIL81.800.000.000.000.0088.200.000.000.000.000.00
89GLF4JCIV81.803.350.060.0087.8288.203.260.100.0695.0895.82
8M 9C20B, GLF4 \[MIL\]JMIL81.800.000.000.000.0088.200.000.000.000.000.00
99CL30, CL60, CRJ1JMIL86.600.000.000.000.0087.600.000.000.000.000.00
9 9CL30, CL60, CRJ1JCIV86.608.710.130.2397.4887.608.350.320.3999.49101.61
109CL61, CRJ2, CRJ7JCIV84.301.230.060.0387.7188.401.060.130.1394.0294.93
119Unknown/Misc. JetsJCIV95.800.100.030.0092.0388.700.100.000.0384.9392.80
11M 9Unknown/Misc. Jets \[MIJMIL100.200.000.000.000.0092.200.000.000.000.000.00
13 9C141 \[MIL\]-OBSOLETEJMIL0.000.000.000.000.000.000.000.000.000.000.00
14 9DC-9JCIV94.600.000.000.000.0092.300.000.000.000.000.00
14M 9C9, T-43 \[MIL\]JMIL99.200.030.000.0084.2994.200.030.000.0079.2985.48
15 9B707-OBSOLETEJCIV0.000.000.000.000.000.000.000.000.000.000.00
15M 9C-5A, KC-135 \[MIL\]JMIL103.500.060.000.0091.60107.800.060.000.0095.9097.27
17 9HelicoptersHCIV83.5013.140.130.3996.1287.9012.490.520.65101.72102.78
17M 9Helicopters \[MIL\]HMIL89.400.190.000.0082.2789.200.190.000.0082.0785.18
18 9C130, Hvy TurbopropsTCIV92.500.000.000.000.0095.800.000.000.000.000.00
18M 9C130, P3 \[MIL\]TMIL92.500.130.000.0083.6195.800.130.000.0086.9188.57
199C441, Twin TurbopropsTCIV75.300.560.000.0072.8284.100.560.000.0081.6282.15
Text134:
EXP for 5/1/2025 through 5/31/2025
6/4/2025 5:01:48 PM
GroupStageRep TypeCat IDSectorDeparturesArrivalsPartial
NumberEXP
11 PM 11 PM
SELDay10 PMEXPSELDay10 PMEXP
to to
toto
7 AM7 AM
11 PM11 PM
19M 9C12 \[MIL turboprops\]TCIV75.300.000.000.000.0084.100.000.000.000.000.00
19M 9C12 \[MIL turboprops\]TMIL75.300.190.000.0372.4384.100.190.000.0381.2381.77
20 9Twin-engine PistonWCIV82.706.370.000.1091.3685.906.310.100.0694.8996.48
20M 9Twin-engine Piston \[MILWMIL82.700.000.000.000.0085.900.000.000.000.000.00
219SINGLES (includes locaSCIV78.9085.600.350.5598.6681.9085.640.390.48101.65103.42
21M 9SINGLES \[MIL\]SMIL78.901.100.000.0079.3081.901.100.000.0082.3084.07
229ASTR, G150, G280, WJCIV90.801.130.000.0693.2984.801.100.060.0387.9594.40
24 9A10, EA6, F16 etc. \[MIL\]JMIL116.000.000.000.000.0093.400.000.000.000.000.00
25 9C650JCIV88.600.320.000.0083.6984.900.320.000.0079.9985.23
26 9F2TH, F900, FA50, FA7JCIV81.703.840.030.1088.8092.303.810.030.1399.6499.98
28M 9DC3 \[MIL\]WMIL94.800.000.000.000.0098.100.000.000.000.000.00
29 9B190, E120, D238TCIV76.500.100.000.0372.7389.600.100.000.0385.8386.03
29 9B190, E120, D238TMIL76.500.000.000.000.0089.600.000.000.000.000.00
30 9SF34TCIV77.300.000.000.000.0086.200.000.000.000.000.00
31 9B727-ST2-OBSOLETEJCIV0.000.000.000.000.000.000.000.000.000.000.00
329B727-ST3JCIV103.400.000.000.000.0097.000.000.000.000.000.00
339BE20, BE30, DHC6, SWTCIV82.102.840.030.0387.5293.502.840.030.0398.9299.22
349B737 HushkitJCIV95.500.000.000.000.0093.800.000.000.000.000.00
359DH8JCIV70.700.000.000.000.0082.800.000.000.000.000.00
35 9DH8JMIL70.700.000.000.000.0082.800.000.000.000.000.00
36 9A319, A320, A321JCIV86.900.610.000.0084.7793.100.610.000.0090.9791.91
37 9GLF5, GLF6JCIV86.203.260.160.2394.7388.703.160.130.3597.7399.50
37M 9C37, GLF5 \[MIL\]JMIL86.200.000.000.000.0088.700.000.000.000.000.00
39 9GLF2JCIV97.100.000.000.000.0092.700.000.000.000.000.00
40 9C750, GALX, HA4T, J32JCIV81.702.900.060.1688.8392.302.770.160.19100.31100.61
41 9B737JCIV89.500.770.000.1091.9194.400.650.060.1699.0399.80
42 9B757JCIV88.200.260.000.0385.8493.400.130.030.1395.8196.23
439C550, E55P, PRM1VCIV83.004.290.030.1090.4790.004.320.060.0397.2398.06
449C56XJCIV81.404.840.060.1089.5091.204.840.130.0399.3099.73
Text134:
EXP for 5/1/2025 through 5/31/2025
6/4/2025 5:01:48 PM
GroupStageRep TypeCat IDSectorDeparturesArrivalsPartial
NumberEXP
11 PM 11 PM
SELDay10 PMEXPSELDay10 PMEXP
to to
toto
7 AM7 AM
11 PM11 PM
45 9BE40, MU30JCIV91.700.810.000.0090.7787.100.810.000.0086.1792.06
46 9C680JCIV84.603.810.100.1092.1988.203.810.060.1395.7997.36
47 9E135, E145JCIV79.700.550.000.0077.0989.300.550.000.0086.6987.14
489BD70, GL5T, GLEXJCIV78.903.420.130.1386.6890.103.260.100.3298.8299.08
489BD70, GL5T, GLEXJMIL78.900.000.000.000.0090.100.000.000.000.000.00
499C510, E500, E50PVCIV82.900.260.000.0077.0285.700.260.000.0079.8281.65
509EA50VCIV74.500.350.000.0070.0079.000.350.000.0074.5075.82
78.201.192.52106.8676.112.453.35110.73112.22
Civl Aircraft-Excluding Singles
163.811.553.06107.47161.742.843.84111.23112.76
Civl Aircraft
1.740.000.0393.501.740.000.0396.9498.56
Military Aircraft
78.851.192.55107.0576.752.453.39110.90112.40
All Aircaft- Excluding Singles
165.551.553.10107.65163.482.843.87111.39112.92
All Aircraft
LocalSingleTwinTurboJetV JetHeliMilTotal
Total Operations3,0941,8293966273,15930881515010,378
Page 4
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Twelve Month Interval Average
Departure EXP 4/20-4/25
111.0
106.0
EXP
101.0
96.0
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Civilian & MilitaryCivilian w/ SinglesMilitary
Page 5
NOISE DISTURBANCE REPORTS
May COMPLAINTS
202020212022202320242025 Individuals 12
Multiples
15
y228204355299184379Resident 172
Januar
February246129275183363134Resident 241
166232428119339122Resident 327
March
April62189334177252127Resident 417
y54306389259325229Resident 514
Ma
June146372475208534Resident 610
y141264252501561Resident 79
Jul
August104333278831559Resident 87
315602614424375Resident 95
September
October159828494573508Resident 104
219796304286260Resident 113
November
December179420211224257Residents 12-158
Residents 16-27
12
TOTAL-TO-DATE:991
METHOD RECEIVED TOTAL:27229
METHODNUMBER%MULTIPLES:95%
Airnoise19083.0%CITY # of HOUSEHOLDS
Ayer
PublicVue167.0%1
Bedford
Voicemail135.7%7
Concord
MobileVue83.5%3
Lexington
Email10.4%7
Lincoln
Phone10.4%8
Woburn
TOTAL:2291
TOTAL: 27
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Page 6
YTD
RMSLocation
IDDescription Jan '24Feb '24Mar '24Apr '24May '24Jun '24Jul '24Aug '24Sep '24Oct '24Nov '24Dec '24 2024
31 Concord Localizer62.862.264.965.563.864.662.863.962.964.6n/a62.363.8
32 Bedford Localizer60.562.362.161.762.160.459.761.562.461.060.060.461.3
33 Lincoln--Brooks Rd54.455.655.655.755.056.856.258.556.855.457.954.255.9
34 Bedford--DeAngelo60.360.760.461.160.461.061.361.161.560.861.561.060.9
35 Lexington--Preston59.058.659.459.159.959.359.259.359.559.860.459.559.4
36 Concord Wastewater61.463.064.164.462.961.560.462.162.262.363.463.262.7
RMSLocationYTD
IDDescription Jan '25Feb '25Mar '25Apr '25May '25Jun '25Jul '25Aug '25Sep '25Oct '25Nov '25Dec '25 2025
31 Concord Localizer61.361.762.366.865.164.0
32 Bedford Localizer60.862.962.964.061.762.6
33 Lincoln--Brooks Rd54.154.356.256.958.656.4
34 Bedford--DeAngelo60.460.961.061.661.261.0
35 Lexington--Preston59.159.157.360.359.559.5
36 Concord Wastewater60.358.460.962.362.861.2