AC 36-1H

Advisory circular · Noise Levels for U.S. Certificated and Foreign Aircraft

Approved
May 25, 2012
Last reviewed
May 25, 2012
This change
Change 1 incorporated
Family
AC 36-1 · 2 versions
Revision
H, Change 1 Incorporated
14 CFR parts
36

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed November 21, 2025.

Show pages 236–247
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APPENDIX 4 AIRCRAFT NOISE CERTIFICATION LEVELS IN DESCENDING EPNdB FOR U.S. CERTIFICATED TURBOJET POWERED AIRPLANES ***TAKEOFF*** MANUFACTURER MODEL MTOW 1000# MLW 1000# ENGINE MODEL TO FLAPS TO NOISE LEVEL (EPNdB) NOTES AIRBUS A340-212 595.25 440.92 CFM56-5C3 17 96.1 BOEING B727-200 (FED EX; STC 197.00 154.50 JT8D-17R w/BOEING 5 96.0 27 SA5839NM) INLET+CHIN OR FAN CSD LOCKHEED L-1011-1 430.00 358.00 RB211-22B 10 96.0 5 * MCDONNELL DOUGLAS DC-09-30 110.00 101.00 JT8D-7 0 95.9 1 BOEING B727-100 (DUGAN AIR STC) 174.50 142.50 JT8D-7 4 95.9 LOCKHEED L-1011 430.00 358.00 RB211-22B 14 95.9 5 * MCDONNELL DOUGLAS MD-11 630.50 481.50 PW4460 10 95.8 MCDONNELL DOUGLAS DC-09-30 114.00 102.00 JT8D-15 0 95.8 1 MCDONNELL DOUGLAS DC-09-40 114.00 102.00 JT8D-15 0 95.8 1 MCDONNELL DOUGLAS DC-08-73 355.00 275.00 CFM56-2-C1 12 95.7 * AIRBUS UK 1-11 400 89.50 79.00 SPEY511-14/14W 0 95.7 12 MCDONNELL DOUGLAS MD-11 A-1 630.50 481.50 PW4460 (-3) 10 95.7 AIRBUS A330-321 507.06 418.88 PW4164 8 95.6 BOEING B-737-200 NON-ADV. 117.00 101.70 JT8D-9QN 1 95.5 2,17 BOEING B-707-100B (BAC II STC: 200.00 160.00 JT3D-1 20 95.5 12 ST00956LA) BOEING B-767-200 360.00 300.00 JT9D-7R4E 1 95.4 BOEING B-727-200 RE (ROHR STC 209.42 164.00 JT8D-217C/JT8D-15 5 95.3 23,61 SA4363NM) BOEING B727-200 (FED EX; STC 177.60 154.50 JT8D-7 w/BOEING 5 95.2 35 SA4833NM) INLET+FAN CSD Page 12

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APPENDIX 4 AIRCRAFT NOISE CERTIFICATION LEVELS IN DESCENDING EPNdB FOR U.S. CERTIFICATED TURBOJET POWERED AIRPLANES ***TAKEOFF*** MANUFACTURER MODEL MTOW 1000# MLW 1000# ENGINE MODEL TO FLAPS TO NOISE LEVEL (EPNdB) NOTES BOEING B727-200 (FED EX; STC 177.60 154.50 JT8D-7 w/BOEING 5 95.2 35 SA4833NM) INLET+CHIN CSD BOEING B-727-200 RE (ROHR STC 209.50 162.00 JT8D-217C/JT8D-17 5 95.2 23,62 SA4363NM) MCDONNELL DOUGLAS DC-08-72 350.00 250.00 CFM56-2-C1 12 95.2 * MCDONNELL DOUGLAS DC-09-30 108.00 99.00 JT8D-7A 0 95.1 1 BOEING B-767-200 351.00 300.00 JT9D-7R4D(A) 1 95.1 MCDONNELL DOUGLAS MD-11 630.50 481.50 PW4462 10 95.0 MCDONNELL DOUGLAS MD-11 A-1 630.50 481.50 PW4462 (-3) 10 95.0 BOEING B727-200 (DUGAN AIR STC) 190.50 164.00 JT8D-9 4 95.0 SABRELINER SABRELINER 60 20.20 JT12A-8 95.0 * BOEING B-767-300 351.00 320.00 JT9D-7R4E 5 95.0 BOEING B727-100 (FED EX; STC 174.50 142.50 JT8D-9 w/BURBANK 5 94.9 35 SA3993NM) INLET+CHIN CSD AIRBUS UK 1-11 400 87.00 77.20 SPEY511-14/14W 0 94.8 12 BOEING B-737-200 NON-ADV. 109.00 98.00 JT8D-7QN 1 94.7 2,16 BOEING B727-200 (FED EX; STC 177.60 154.50 JT8D-9 w/BOEING 5 94.7 35 SA4833NM) INLET+CHIN CSD BOEING B727-200 (FED EX; STC 177.60 154.50 JT8D-9 w/BOEING 5 94.7 35 SA4833NM) INLET+FAN CSD MCDONNELL DOUGLAS MD-11 A-1 630.50 481.50 CF6-80C2D1F 10 94.6 BOEING B727-100 (FED EX; STC 169.50 142.50 JT8D-7 w/BOEING 5 94.5 35 SA3993NM) INLET+FAN CSD SABRELINER SABRELINER 40 20.20 17.50 JT12A-8 0 94.5 Page 13

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APPENDIX 4 AIRCRAFT NOISE CERTIFICATION LEVELS IN DESCENDING EPNdB FOR U.S. CERTIFICATED TURBOJET POWERED AIRPLANES ***TAKEOFF*** MANUFACTURER MODEL MTOW 1000# MLW 1000# ENGINE MODEL TO FLAPS TO NOISE LEVEL (EPNdB) NOTES

328.00 258.00MCDONNELL DOUGLAS DC-08-71 CFM56-2-C1 15 94.5 * SABRELINER SABRELINER 60A/60SC 22.70 20.60 JT12A-8 0 94.4 BOEING B-777-300 660.00 524.00 PW4090 5 94.4 55 MCDONNELL DOUGLAS DC-09-30 108.00 98.10 JT8D-17 0 94.3 1 MCDONNELL DOUGLAS DC-08-71 325.00 240.00 CFM-56-2C5 94.3 * AIRBUS A330-322 507.06 418.88 PW4168 8 94.3 BOEING B-777-200 632.50 470.00 RR TRENT 884 5 94.3 BOEING B-767-300 407.00 320.00 PW 4056 5 94.2 AIRBUS A330-301 507.06 418.88 CF6-80E1A2 14 94.2

660.00 524.00BOEING B-777-300 RR TRENT 892 5 94.2 BOEING B727-100 (FED EX; STC 169.50 142.50 JT8D-7 w/BURBANK 5 94.1 35 SA3993NM) INLET+ FAN CSD BOEING B727-100 (FED EX; STC 174.50 142.50 JT8D-9 w/BOEING 5 94.1 35 SA3993NM) INLET+CHIN CSD BOEING B727-200 (FED EX; STC 177.60 154.50 JT8D-9 w/BURBANK 5 94.1 35 SA4833NM) INLET+ FAN CSD BOEING B727-200 (FED EX; STC 177.60 154.50 JT8D-9 w/BURBANK 5 94.1 35 SA4833NM) INLET+CHIN CSD LEARJET 25C CJ610-6 20 94.0 1315.00 13.30

15.00 13.30LEARJET 25D CJ610-6 20 94.0 14

363.70 299.83AIRBUS A300B4-203 CF6-50-C2 0 94.0 31

656.00 470.00BOEING B-777-200 RR TRENT 892 5 94.0 Page 14

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APPENDIX 4 AIRCRAFT NOISE CERTIFICATION LEVELS IN DESCENDING EPNdB FOR U.S. CERTIFICATED TURBOJET POWERED AIRPLANES ***TAKEOFF*** MANUFACTURER MODEL MTOW 1000# MLW 1000# ENGINE MODEL TO FLAPS TO NOISE LEVEL (EPNdB) NOTES BOEING B727-100 (FED EX; STC 169.50 142.50 JT8D-9 w/BOEING 5 93.9 35 SA3993NM) INLET+FAN CSD MCDONNELL DOUGLAS MD-11 618.00 471.50 CF6-80C2 10 93.9 BOEING B-777-200 656.00 470.00 PW4090 5 93.9 55 BOEING B-767-300 407.00 320.00 RB211-524G 5 93.8 MCDONNELL DOUGLAS DC-10-15 455.00 363.50 CF6-50C2-F 5 93.8 BOEING B-727-200 RE (ROHR STC 198.50 162.00 JT8D-217C/JT8D-9 5 93.7 23,60 SA4363NM) BOEING B-767-200 400.00 300.00 PW 4056 1 93.7 AIRBUS A300B4-103 347.20 295.40 CF6-50-C2 16 93.6 LEARJET 25 16.00 13.30 CJ610-6 10 93.5 LEARJET 25B/C/D/F XR Dee Hwd 16.30 13.30 CJ610-6/8A 10 93.5 BOEING B-727-200 RE (ROHR STC 203.10 164.00 JT8D-217C/JT8D-17A 5 93.4 23 SA4363NM) BOEING B-777-200 656.00 470.00 RR TRENT 895 5 93.4 AIRBUS UK 1-11 200 80.00 71.00 SPEY 506-14 3 93.3 12 BOEING B-767-300 407.00 320.00 PW 4060 5 93.2 LOCKHEED 1329-25 (AIRESEARCH) 44.50 36.00 TFE731-3 93.1 * ** BOEING B-777-300 660.00 524.00 PW4098 5 93.1 BOEING B-727-200 RE (ROHR STC 198.70 162.00 JT8D-219/JT8D-9 5 93.0 23,60 SA4363NM) AIRBUS A310-304 352.74 286.60 CF6-80C2A2 0 92.9 Page 15

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APPENDIX 4 AIRCRAFT NOISE CERTIFICATION LEVELS IN DESCENDING EPNdB FOR U.S. CERTIFICATED TURBOJET POWERED AIRPLANES ***TAKEOFF*** MANUFACTURER MODEL MTOW 1000# MLW 1000# ENGINE MODEL TO FLAPS TO NOISE LEVEL (EPNdB) NOTES BOEING B-767-300 407.00 320.00 RB211-524H 5 92.9 FOKKER F28 MK4000 73.00 69.50 SPEY MK555-15P 6 92.9 MCDONNELL DOUGLAS MD-11 602.50 430.00 CF6-80C2D1F 10 92.8 BOEING B-727-200 RE (ROHR STC 198.70 162.00 JT8D-219/JT8D-17 5 92.8 23 SA4363NM) BOEING B-767-200 360.00 300.00 CF6-80A 1 92.8 BOEING B-727-200 RE (ROHR STC 198.70 162.00 JT8D-219/JT8D-15 5 92.7 7,23,64 SA4363NM) BOEING B-727-200 RE (ROHR STC 198.70 162.00 JT8D-219/JT8D-9 5 92.7 7,23,63 SA4363NM) LOCKHEED 1329-23 (AIRESEARCH) 43.80 TFE731-3-1E 20 92.7 * ** GULFSTREAM G-II GULFSTREAM 65.50 58.50 SPEY 511-8 10 92.5 12 RAYTHEON HAWKER 125- 600A 25.50 22.00 VIPER 601-22 0 92.3 12 BOEING B-767-300/300ER 412.00 320.00 PW4062 (FB2B) 5 92.2 BOEING B-737-200 (AVAERO;STC 128.10 93.00 JT8D-15 1 92.1 27,42 ST223CH) BOEING B-737-200 ADV(AVAERO;STC 128.10 98.00 JT8D-15 1 92.1 27,42 ST223CH) BOEING B-737-200 ADV(AVAERO;STC 128.10 107.00 JT8D-15 1 92.1 27,42 ST223CH) BOEING B-727-100 (Dee Howard) 169.50 137.50 TAY 651-54 5 92.1 BOEING B-767-300 407.00 320.00 CF6-80C2-B4 5 92.1 MCDONNELL DOUGLAS MD-80 160.00 150.00 JT8D-217A 2 92.0 10 BOEING B-767-300 351.00 320.00 CF6-80A 5 92.0 Page 16

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APPENDIX 4 AIRCRAFT NOISE CERTIFICATION LEVELS IN DESCENDING EPNdB FOR U.S. CERTIFICATED TURBOJET POWERED AIRPLANES ***TAKEOFF*** MANUFACTURER MODEL MTOW 1000# MLW 1000# ENGINE MODEL TO FLAPS TO NOISE LEVEL (EPNdB) NOTES BOEING B-777-200 545.00 470.00 RR TRENT 875 5 92.0 BOEING B-777-200 632.50 470.00 GE90-85B (BLK IV) 5 92.0 54 BOEING B-737-200 ADV (NORDAM; 124.50 107.00 JT8D-9 1 91.9 27,41 STC SA5730NM) LEARJET 24D 13.50 11.90 CJ610-6 20 91.9 FOKKER F28 MK4000 73.00 65.80 SPEY MK555-15H 6 91.9 BOEING B-737-200 ADV (NORDAM; 122.90 107.00 JT8D-9 w/LGW-L 1 91.8 36 STC ST00131SE) HUSHKIT BOEING B-737-200 ADV(AVAERO;STC 124.50 107.00 JT8D-15 1 91.8 35,42 ST223CH) BOEING B-737-200 ADV (NORDAM; 125.90 107.00 JT8D-15 w/LGW-L 1 91.8 37 STC ST00131SE) HUSHKIT LEARJET 24/24D 13.50 11.90 CJ610-6 20 91.8 13 LEARJET 24D 13.50 11.90 CJ610-6 20 91.8 14 AIRBUS A300B2-1C 313.00 286.60 CF6-50C2-R 0 91.8 BOEING B-737-200 ADV(AVAERO;STC 119.50 95.00 JT8D-9 1 91.7 35,41 ST223CH) BOEING B-737-200 ADV(AVAERO;STC 119.50 107.00 JT8D-9 1 91.7 35,41 ST223CH) BOEING B-737-200 ADV (NORDAM; 121.60 107.00 JT8D-15 w/LGW HUSHKIT 1 91.7 37 STC ST00131SE) BOEING B-767-200 360.00 300.00 CF6-80A2 1 91.7 BOEING B-777-200 555.00 470.00 RR TRENT 877 5 91.7 BOEING B-767-200/200ER 387.00 300.00 PW4060 1 91.6 BOEING B-737-200 ADV (NORDAM; 117.00 107.00 JT8D-7 w/LGW-N 1 91.6 40 STC ST00131SE) HUSHKIT Page 17

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APPENDIX 4 AIRCRAFT NOISE CERTIFICATION LEVELS IN DESCENDING EPNdB FOR U.S. CERTIFICATED TURBOJET POWERED AIRPLANES ***TAKEOFF*** MANUFACTURER MODEL MTOW 1000# MLW 1000# ENGINE MODEL TO FLAPS TO NOISE LEVEL (EPNdB) NOTES BOEING B-737-200 ADV (NORDAM; 118.50 107.00 JT8D-9 w/LGW-N 1 91.6 36 STC ST00131SE) HUSHKIT BOEING B-737-200 ADV (NORDAM; 118.70 107.00 JT8D-9 w/LGW HUSHKIT 1 91.6 36 STC ST00131SE) RAYTHEON HAWKER 125- 700A 25.50 22.00 TFE731-3-1H 0 91.6 25,33 BOEING B-737-200 (AVAERO;STC 118.50 107.00 JT8D-9 1 91.5 35,41 ST223CH) BOEING B-737-200 (AVAERO;STC 121.50 107.00 JT8D-9 1 91.5 27,41 ST223CH) BOEING B-737-200 ADV(AVAERO;STC 121.50 107.00 JT8D-9 1 91.5 27,41 ST223CH) MCDONNELL DOUGLAS MD-80 160.00 150.00 JT8D-217C 2 91.5 10 AIRBUS A300 B4-605R 385.46 319.38 CF6-80C2A5F 0 91.5 BOEING B-777-200 656.00 470.00 GE90-90B (BLK IV) 5 91.5 54 BOEING B-737-200 (AVAERO;STC 128.10 88.00 JT8D-17 1 91.4 27 ST223CH) BOEING B-737-200 (AVAERO;STC 128.10 107.00 JT8D-17 1 91.4 27 ST223CH) BOEING B-757-200 255.50 210.00 PW 2037 5 91.4 MCDONNELL DOUGLAS DC-09-10 90.70 81.70 JT8D-7 10 91.4 24 MCDONNELL DOUGLAS DC-09-10 90.70 81.70 JT8D-7/-7A 10 91.4 1 BOEING B-777-200 632.50 460.00 GE90-85B 5 91.3 53 BOEING B-777-200 656.00 460.00 GE90-90B 5 91.3 53 BOEING B-737-200 ADV(AVAERO;STC 128.10 107.00 JT8D-17 1 91.2 27 ST223CH) SABRELINER SABRELINER 80A/80SC 25.50 22.00 CF700-2D-2 0 91.2 * Page 18

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APPENDIX 4 AIRCRAFT NOISE CERTIFICATION LEVELS IN DESCENDING EPNdB FOR U.S. CERTIFICATED TURBOJET POWERED AIRPLANES ***TAKEOFF*** MANUFACTURER MODEL MTOW 1000# MLW 1000# ENGINE MODEL TO FLAPS TO NOISE LEVEL (EPNdB) NOTES BOEING B-767-300 351.00 320.00 CF6-80A2 5 91.2 BOEING B-767-400 450.00 350.00 CF6-80C2B8F 5 91.2 BOEING B-737-200 (NORDAM;STC 119.50 103.00 JT8D-15 w/LGW HUSHKIT 1 91.1 37 ST00131SE) MCDONNELL DOUGLAS MD-80 149.50 130.00 JT8D-209 0 91.1 10 AIRBUS A300B2-203 313.10 286.60 CF6-50-C2 16 91.1 BOEING B-767-300 407.00 320.00 CF6-80C2-B6 5 91.1 BOEING B-777-200 656.00 470.00 GE90-94B BLK IV) 5 91.1 54 GULFSTREAM G-IIB/G-III 69.70 58.50 SPEY 511-8 10 91.1 12 MCDONNELL DOUGLAS DC-09-30(ABS/SA1613GL) 105.00 101.00 JT8D-7/7A/7B 0 91.0 MCDONNELL DOUGLAS DC-09-30(ABS/SA1785GL) 107.00 101.00 JT8D-7/7A/7B 0 91.0 MCDONNELL DOUGLAS DC-09-31/32/32F/33F(ABS;STC 107.00 101.00 JT8D-7/7A/7B 0 91.0 SA1613GL) BOEING B-737-200 ADV (NORDAM; 126.70 107.00 JT8D-15 1 91.0 27,42 STC SA5730NM) LEARJET 25/25B/C Raisb MK II 15.00 13.30 CJ610 10 91.0 BOEING B-767-300/300ER 412.00 320.00 PW4056 PH3 (FB2C) NRI 5 91.0 FOKKER F28 MK3000 71.00 64.00 SPEY MK555-15H 6 91.0 BOEING B-767-200 351.00 285.00 PW4052 1 90.9 BOEING B-767-300 407.00 320.00 CF6-80C2B6F 5 90.9 BOEING B-777-200 535.00 445.00 PW4074 5 90.9 Page 19

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APPENDIX 4 AIRCRAFT NOISE CERTIFICATION LEVELS IN DESCENDING EPNdB FOR U.S. CERTIFICATED TURBOJET POWERED AIRPLANES ***TAKEOFF*** MANUFACTURER MODEL MTOW 1000# MLW 1000# ENGINE MODEL TO FLAPS TO NOISE LEVEL (EPNdB) NOTES BOEING B-737-200 ADV (NORDAM; 120.50 107.00 JT8D-17/-17A w/LGW 1 90.8 STC ST00131SE) HUSHKIT MCDONNELL DOUGLAS MD-80 160.00 150.00 JT8D-219 2 90.8 10 BOEING B-777-200 535.00 445.00 PW4090 at PW4074 rating 5 90.8 55 SABRELINER SABRELINER 75A 23.00 CF700-2D-2 15 90.7 * SABRELINER SABRELINER 80 23.30 22.00 CF700-2D-2 90.7 * BOEING B-777-200 545.00 460.00 PW4077 5 90.7 BOEING B-767-200/200ER 387.00 300.00 CF6-80C2B4F W/N1 MOD 1 90.6 MCDONNELL DOUGLAS DC-09-10 (AIRWELD STC 108.00 99.00 JT8D-9A 0 90.6 12 ST00934LA) AIRBUS A310-324 330.69 271.16 PW-4152 15 90.6 BOEING B-767-200 387.00 300.00 CF6-80C2-B4 1 90.6 BOEING B-777-200 545.00 445.00 PW4090 at PW4077 rating 5 90.6 55 AIRBUS A310-221 305.60 267.90 JT9D-7R4D1 15 90.5 BOEING B-767-200/200ER 400.00 300.00 CF6-80C2B6F W/N1 MOD 1 90.5 MCDONNELL DOUGLAS DC-09-30(ABS/SA1613GL) 105.00 101.00 JT8D-9/9A 0 90.3 MCDONNELL DOUGLAS DC-09-30 (ABS) 111.00 101.00 JT8D-11 0 90.3 MCDONNELL DOUGLAS DC-09-30(ABS) 111.00 101.00 JT8D-11 0 90.3 12 BOEING B-737-200 ADV(AVAERO;STC 119.50 88.00 JT8D-15 1 90.3 35,42 ST223CH) BOEING B-767-300/300ER 412.00 320.00 PW4060 PH3 (FB2C) NRI 5 90.3 Page 20

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APPENDIX 4 AIRCRAFT NOISE CERTIFICATION LEVELS IN DESCENDING EPNdB FOR U.S. CERTIFICATED TURBOJET POWERED AIRPLANES ***TAKEOFF*** MANUFACTURER MODEL MTOW 1000# MLW 1000# ENGINE MODEL TO FLAPS TO NOISE LEVEL (EPNdB) NOTES BOEING B-737-200 (NORDAM;STC 119.50 103.00 JT8D-15 w/LGW-L 1 90.2 37 ST00131SE) HUSHKIT BOEING B-737-200 ADV(AVAERO;STC 125.00 107.00 JT8D-17 1 90.2 27 ST223CH) BOEING B-767-200/200ER 360.00 300.00 CF6-80C2B2F 1 90.2 MCDONNELL DOUGLAS DC-09-30 (ABS;STC SA1613GL) 107.00 101.00 JT8D-9/9A 0 90.1 MCDONNELL DOUGLAS DC-09-30(ABS/SA1785GL) 107.00 101.00 JT8D-9/9A 0 90.1 LEARJET 25D/25F 15.00 13.30 CJ610-6/8A 8 90.1 BOEING B-737-200 ADV (NORDAM; 126.50 107.00 JT8D-17 1 90.0 27 STC SA5730NM) DASSAULT FALCON 20-Basic/D/E 28.66 27.32 CF700-2D-2 15 90.0 DASSAULT FALCON 20-F (M1400) 28.66 27.32 CF700-2D-2 10 90.0 FOKKER F28 MK2000 65.00 SPEY MK555-15 6 90.0 * FOKKER F28 MK1000 65.00 59.00 SPEY MK555-15 6 90.0 AIRBUS UK 1-11 400 (QTV STC: ST02167AT) 81.90 78.00 SPEY511-14/14W 90.0 BOEING B-767-300/300ER 412.00 320.00 PW4062 PH3 (FB2C) NRI 5 89.9 AIRBUS A321-211 205.02 171.51 CFM56-5B3/P; Mod. No. 89.8 27772 BOEING B-757-300 275.00 224.00 RB211-535-E4 5 89.8 58 BOEING B-767-200/200ER 395.00 300.00 PW4056 PH3 (FB2C) NRI 1 89.8 BOEING B-737-200 (AVAERO;STC 117.00 90.00 JT8D-15 1 89.7 35,42 ST223CH) MCDONNELL DOUGLAS MD-80 149.50 130.00 JT8D-217 0 89.7 10 Page 21

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APPENDIX 4 AIRCRAFT NOISE CERTIFICATION LEVELS IN DESCENDING EPNdB FOR U.S. CERTIFICATED TURBOJET POWERED AIRPLANES ***TAKEOFF*** MANUFACTURER MODEL MTOW 1000# MLW 1000# ENGINE MODEL TO FLAPS TO NOISE LEVEL (EPNdB) NOTES MCDONNELL DOUGLAS MD-87 149.50 130.00 JT8D-217A 1 89.7 10 BOEING B-757-200 255.50 210.00 PW 2040 5 89.7 BOEING B-757-200 255.50 210.00 PW 2037QFC 5 89.7 59 BOEING B-767-200 351.00 300.00 CF6-80C2-B2 1 89.5 BOEING B-777-200 545.00 460.00 GE90-76B (BLK IV) 5 89.5 54 BOEING B-747-400 600.00 564.00 PW4056 10 89.5 BOEING B727-100 RE (ROHR STC 174.50 142.50 JT8D-217C/JT8D-9 5 89.4 23 SA4363NM) BOEING B-777-200 545.00 460.00 GE90-77B (BLK IV) 5 89.4 54 CESSNA 552 15.50 14.30 JT15D-5 20 89.3 * MCDONNELL DOUGLAS MD-87 149.50 130.00 JT8D-217C 1 89.2 10 LEARJET 24 Raisbeck MK II 13.00 11.90 CJ610-1/-4 10 89.0 BOEING B727-100 RE (ROHR STC 174.50 142.50 JT8D-219/JT8D-7B 5 89.0 23 SA4363NM) BOEING B-767-200/200ER 395.00 300.00 PW4060 PH3 (FB2C) NRI 1 89.0 BOEING B-737-400 142.50 121.00 CFM56-3-B1 5 88.9 MCDONNELL DOUGLAS DC-09-20 (ABS;STC SA1613GL) 100.00 93.40 JT8D-9/9A 0 88.8 BOEING B727-100 RE (ROHR STC 174.50 142.50 JT8D-219/JT8D-9 5 88.8 23 SA4363NM) BOEING B-777-200 545.00 460.00 GE90-77B 5 88.8 53 BOEING B-777-200 545.00 460.00 GE90-76B 5 88.8 53 Page 22

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APPENDIX 4 AIRCRAFT NOISE CERTIFICATION LEVELS IN DESCENDING EPNdB FOR U.S. CERTIFICATED TURBOJET POWERED AIRPLANES ***TAKEOFF*** MANUFACTURER MODEL MTOW 1000# MLW 1000# ENGINE MODEL TO FLAPS TO NOISE LEVEL (EPNdB) NOTES BEECH BEECHJET 400 15.78 14.22 JT15D-5 10 88.6 * MITSUBISHI MU-300-10 (DIAM. II) 15.78 14.22 JT15D-5 10 88.6 * BOEING B-737-700 IGW/-700C 171.00 134.00 CFM56-7B24 1 88.6 51 BOEING B-737-800 174.20 146.30 CFM56-7B24 1 88.6 MCDONNELL DOUGLAS MD-87 149.50 130.00 JT8D-219 1 88.5 10 BOEING B-767-200/200ER 360.00 300.00 CF6-80C2B4F 1 88.5 BOEING B-737-900 174.20 147.30 CFM56-7B24 1 88.4 BOEING B-757-300 275.00 224.00 RB211-535E4-B 5 88.4 58 BOEING B-757-300 275.00 224.00 RB211-535E4-C 5 88.4 58 AIRBUS A321-231 205.02 171.51 V2533A5 88.2 BOEING B-757-200 240.00 210.00 RB211-535C 5 88.1 BOEING B-757-200 255.50 210.00 PW 2040QFC 5 88.1 59 LEARJET 23 Raisbeck MK II 12.50 11.90 CJ610-1/-4 10 88.0 AIRBUS A320-214 182.80 150.00 CFM56-5B4/P 10 88.0 RAYTHEON HAWKER 125- 600A 25.50 22.00 TFE731-3-1H 0 88.0 RAYTHEON HAWKER 125- 700A 25.50 22.00 TFE731-3-1H 0 88.0 33 AIRBUS A300B4-622R 330.00 275.00 PW-4158 0 88.0 AIRBUS A320-211 162.00 142.20 CFM56-5A1 10 87.8 Page 23