AC 36-1G

Historical

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

A newer version is currentThis is a historical version. AC 36-1H is the version in force, approved May 25, 2012.
Approved
August 27, 1997
Last reviewed
August 27, 1997
Family
AC 36-1 · 2 versions
Revision
G
14 CFR parts
36

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

Show pages 61–72
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APPENDIX 3 **STAGE 3*

TURBOJET POWERED AIRPLANES MTOW MLW THRUST FLAPS NOISE LEVEL (EPNdB) MANVFACTURER MODEL 10004 1000# ENGINE MODEL NO. 1000฿ BER IQ IQ SL STAGE NOTES LEARJET MSSC 21.00 17.00 TFE731-3AR-3B 2 20 40 $6.7 91.5 92.4 LEARJET MSSC 21.50 17.00 TFE731-3AR-3B 20 40 87.0 91.4 92.4 3 LOCKHEED 1329-23 A/DE ₩/STAR 3 STC 44.25 36.00 TFE731-3-1R 3.70 2.80 20 59 85.2 90.7 96.9 (ST00258SE) LOCKHEED 1329-25 w/STAR 3 STCH 44.50 36.00 TFE731-3-1R 4 3.70 2.80 20 59 55.4 90.7 96.9 LOCKHEED ST00259SE L-1011 430.00 358.00 RB211-22B 41.0 14 42 95.9 95.1 102.8 3 5 * LOCKHEED L-1011-1 430.00 358.00 RB211-22B 42.0 10 42 96.0 95.0 102.3 5 * LOCKHEED L-1011-100 466.00 368.00 RB211-22B 3 42.0 10 42 98.5 94.9 102.8 5 * LOCKHEED L-1011-200 466.00 368.00 RB211-524B 50.0 10 33 98.1 97.9 101.4 3 5 * LOCKHEED L-1011-500 496.00 368.00 RB211-524B 50.0 14 33 08.4 97.8 101.5 5 * LOCKHEED L-1011-500 504.00 368.00 RB211-524B3 3 SO.0 22 33 98.0 96.9 100.2 5 * LOCKHEED L-1011-500 496.00 368.00 RB211-524B3 50.0 14 33 97.4 96.7 100.3 5 * LOCKHEED L-1011-500 510.00 368.00 RB211-524B4 50.0 10 33 99.3 96.4 102.0 3 LOCKHEED L1011-385-1-14/15 474.00 368.00 RB211-22B 3 42.0 4 42 98.6 94.1 102.8 3 LOCKHEED L1011-385-1-14/15 466.00 368.00 RB211-524B4 3 5O.0 10 42 97.9 95.9 103.3 3 MCDONNELL DOUGLAS DC-08-62 (BAC R-1) 350.00 240.00 JT3D-3B 12 35 100.5 101.2 100.2 MCDONNELL DOUGLAS DC-08-62 (BAC/MGM) 348.00 240.00 JT3D-3B 12 35 100.5 101.2 100.7 3 MCDONNELL DOUGLAS DC-08-63 (BAC R-1) 355.00 275.00 12 35 98.9 101.4 103.0 MCDONNELL DOUGLAS DC-08-63 (BAC/MGM) 353.00 275.00 JT3D-7 12 35 98.9 101.4 103.0 3 MCDONNEIL, DOUGLAS DC-08-71 325.00 240.00 CFM-56-2C5 22.0 94.3 92.9 98.3 MCDONNELL DOUGLAS DC-08-71 325.00 240.00 CFM56-2-C1 4 22.0 6.00 15 50 94.3 92.9 98.3 3 MCDONNELL DOUGLAS DC-08-71 328.00 258.00 CFM56-2-C1 22.0 6.00 15 50 94.5 92.9 98.6 3 MCDONNELL DOUGLAS IXC-08-72 335.00 240.00 CFM56-2-C1 4 22.0 6.00 12 50 94.4 92.9 98.1 3 Page 18

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AC 36-1G 8/27197 APPENDIX 3 -STAGE 3***

TURBOJET POWERED AIRPLANES MANIHACTURER MODEL MTOW 1000฿ 1000฿ MLW ENGINE MOREL NO. THRUST 1000฿ APR 1Q FLAPS NOISE LEVEL (FPNdB) IQ STAGE NOTES MCDONNELL DOUGLAS DC-08-72 350.00 250.00 CFM56-2-C1 22.0 6.00 12 50 95.2 92.8 98.2 MCDONNELL DOUGLAS DC-08-73 355.00 258.00 CFM56-2-C1 22.0 6.00 1Z 50 95.7 92.8 98.3 MCDONNELL DOUGLAS DC-08-73 335.00 275.00 CFM56-2-C1 22.0 6.00 12 50 95.7 92.3 98.5 MCDONNELL DOUGLAS DC-09-10 (ABS) 90.70 $1.70 I&D-7/7A7B 10 40 $7.2 96.4 95.0 3 б MCDONNELL DOUGLAS DC-09-20 (ABS:STC 100.00 93.40 JT8D-9/9A 40 85.5 96.9 95.7 MCDONNELL DOUGLAS SA1613GL) DC-09-20(ABS) 100.00 93.40 JT8D-9/9A 40 $8.8 96.9 95.7 12,17 MCDONNELL DOUGLAS DC-09-30 (ABS/SA16136L) 103.00 99.00 JT8D-9/9A 40 89.7 96.3 96.0 12 40 90.1 97.1 96.0 MCDONNELL DOUGLAS DC-09-30 (ABS;STC 107.00 101.00 IT&D-9/9 A MCDONNELL DOUGLAS SA1613GL) DC-09-30(ABS/SA1613GL) 103.00 99.00 Л&D-7ЛАТВ 2 40 90.3 95.9 96.0 MCDONNELL DOUGLAS DC-09-30(ABS/SA1613GL) 105.00 101.00 J&D-7/7 A/7B 40 91.0 95.8 96.0 MCDONNELL DOUGLAS DC-09-30(ABS/SA1613GL) 105.00 101.00 40 90.3 96.7 96.1 3 MCDONNELL DOUGLAS DC-09-30(ABS/SA1785GL) 103.00 99.00 IT&D-7/7А/B 2 40 90.4 95.9 95.0 MCDONNELL DOUGLAS DC-09-30(ABS/SA1785GL) 103.00 99.00 JT8D-9/9A 40 89.7 96.8 96.0 MCDONNELL DOUGLAS DC-09-30(ABS/SA178SGL) 107.00 101.00 IT&D-7/7 A/B 40 91.0 96.2 $6.0 MCDONNELL DOUGLAS DC-09-30(ABS/SA1785GL) 107.00 101.00 JT8D-9/9A 2 40 90.1 97.1 96.0 MCDONNELL DOUGLAS DC-09- 103.00 99.00 JT8D-70А/7B 2 40 90.3 95.9 96.0 MCDONNELL DOUGLAS DC-09- 31/32/32F/33F(ABS;STC 107.00 101.00 IT&D-7/7 A/7B 2 40 91.0 96.2 96.0 3 MCDONNELL DOUGLAS DC-10-10 31/32/32F/33F(ABS:STC 410.00 347.80 CF6-6D 3 39.3 5.70 14 50 97.4 97.0 104.9 MCDONNELL DOUGLAS DC-10-10 410.00 347.80 CF6-6K 3 39.3 5.90 14 50 26.8 96.3 103.3 MCDONNELL DOUGLAS DC-10-10 430.00 347.80 CF6-6K2 3 40.9 5.90 11 50 97.4 96.5 103.3 MCDONNELL DOUGLAS DC-10-10 455.00 363.50 CF6-6D 3 39.3 5.70 50 101.8 96.0 105.5 3 MCDONNELL DOUGLAS DC-10-10 455.00 363.50 CF6-6D1 40.3 5.80 50 100.2 96.6 105.5 Page 19

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APPENDIX 3 -STAGE J

TURBOJET POWERED AIRPLANES MTOW MLW THRUST ELAPS NOISE LEVEL (FENdB) MANVKACTURER MODEL 1000# 1000# ENGINE MODEL NO. 1000₴ 1Q AP IQ Sk STAGE NOTES MCDONNELL DOUGLAS DC-10-10 430.00 363.50 CF6-6D1 40.3 5.80 11 50 98.1 97.0 105.5 MCDONNELL DOUGLAS DC-10-10 430.00 363.50 CF6-6DIA 40.9 5.80 11 50 98.1 97.0 105.5 MCDONNELL DOUGLAS DC-10-10 455.00 363.50 CF6-6DIA 40.9 5.80 50 100.2 96.6 105.5 3 MCDONNELL DOUGLAS DC-10-10 455.00 363.50 CF6-6K 39.3 5.90 50 100.9 95.5 103.8 3 MCDONNELL DOUGLAS DC-10-10 455.00 363.50 CF6-6K2 40.9 5.90 50 99.3 96.1 103.8 MCDONNELL DOUGLAS DC-10-15 455.00 363.50 CF6-50C2-F 45.6 4.60 50 93.8 95.6 103.1 3 MCDONNELL DOUGLAS DC-10-30 555.00 403.00 CF6-50C/H 3 50.4 4.30 10 50 101.6 97.5 106.3 MCDONNELL DOUGLAS DXC-10-30 572.00 403.00 CF6-50C1 51.8 4.20 10 50 102.1 98.3 106.3 MCDONNELL DOUGLAS IXC-10-30 555.00 403.00 CF6-50C2 51.8 4.30 50 96.8 97.8 105.0 3 MCDONNELL DOUGLAS DXC-10-30 555.00 403.00 CF6-50C2-B $3.2 4.30 50 96.1 98.4 105.0 MCDONNELL DOUGLAS DC-10-30 $55.00 403.00 CF6-S0C2-R 3 50.4 4.40 10 50 97.5 97.2 105.0 3 MCDONNELL DOUGLAS IXC-10-30 572.00 411.00 CF6-50C/H 50.4 4.30 10 50 102.3 97.5 106.6 MCDONNELL DOUGLAS DC-10-30 590.00 411.00 CF6-50C1 51.8 4.20 10 50 103.0 98.0 106.6 3 MCDONNELL DOUGLAS DC-10-30 590.00 411.00 CF6-50C2 51.8 4.30 15 50 99.0 97.9 105.3 MCDONNELL DOUGLAS DC-10-30 590.00 411.00 CF6-50C2-B 53.2 4.30 15 50 98.7 98.5 105.3 3 MCDONNELL DOUGLAS DC-10-30 $72.00 421.00 CF6-50C2-R 3 50.4 4.40 10 50 98.4 97.3 105.8 3 MCDONNELL DOUGI AS DC-10-30 555.00 424.00 CF6-50C2 51.8 4.30 5 50 95.8 97.8 106.0 15 MCDONNELL DOUGLAS DC-10-30 572.00 424.00 CF6-50C2-B 3 53.2 4.30 10 50 97.4 98.5 106.0 3 15 MCDONNELL DOUGLAS DXC-.V-30 $55.00 424.00 CF6-50C2-B 3 53.2 4.30 50 96.1 98.4 106.0 3 15 MCDONNELL DOUGLAS LXC-10-30 590.00 436.00 CF6-50C2 51.8 4.30 15 50 99.0 97.7 106.4 3 15 MCDONNELL DOUGLAS DC-10-40 530.00 403.00 ST9D-20D 44.5 5.00 10 50 100.8 95.2 105.7 MCDONNELL DOUGLAS DC-10-40 555.00 403.00 IT9D-59 A 51.7 4.90 10 50 101.4 98.0 106.4 Page 20

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APPENDIX 3 ***S PAGE 3***

TURLOUFT POWERED AIRPLANES MTOW MLW THRUST FLAPS NOISE LEVEL (EPNdB) MANUFACTURER •MODEL 1000€ 1000# ENGINE MODEL NO. 1000* BPR IQ STAGE NOTES MCDONNELL DOUGLAS MD-11 602.50 <30.00 CF6-80C2 61.5 5.30 10 50 92.8 96.3 103.6 MCDONNELL DOUGLAS MD-11 602.50 430.00 CF6-80C2D1F 61.3 5.30 10 50 92.8 96.3 103.6 MCDONNELL DOUGLAS MD-11 002.50 430.00 PW4460 60.0 5.00 10 50 93.7 96.3 103.8 MCDONNELL DOUGLAS MD-11 607 62.0 5.00 10 50 93.1 96.6 103.8 MCDONNELL DOUGLAS MD-11 618.00 471.50 CF6-80C2 61.5 5.30 10 50 93.9 96.3 104.3 3 MCDONNELL, DOUGLAS MD-11 630.50 48. 1 PW4460 60.0 5.00 10 50 95.8 96.1 104.4 MCDONNELL DOUGLAS MD-11 630.50 481.50 >W4462 62.0 5.00 10 50 95.0 96.5 104.4 3 MCDONNELL DOUGLAS MD-11 A-1 602.50 430.00 775-80C2D1F 3 61.5 5.30 10 50 92.8 96.4 103.6 3 MCDONNELL DOUGLAS MD-11 A-1 602.50 430.00 PW4460 (-3) 60.0 5.00 10 50 93.9 96.2 103.4 MCDONNELL DOUGLAS MD-11 A-1 602.50 430.00 PW4462 (-3) 62.0 5.00 10 50 93.3 96.6 103.4 MCDONNELL DOUGLAS MD-11 A-1 630.50 481.50 CF6-80C2D1F 61.5 5.30 10 94.5 96.3 104.5 3 MCDONNELL DOUGLAS MD-11 A-1 630.50 481.50 PW4450 (-3) 3 60.0 5.00 10 50 95.6 98.0 104.4 3 MCDONNELL DOUGLAS MD-11 A-1 630.50 481.50 PW4462 (-3) 3 62.0 5.00 10 50 95.0 96.5 104.4 MCDONNELL DOUGLAS MD-80 140.00 128.00 JT8D-209 2 19.2 1.83 40 88.9 94.7 92.8 3 10 MCDONNELL DOUGLAS MID-80 140.00 128.00 JT8D-219 2 21.7 1.70 40 86.7 97.3 92.8 10 MCDONNELL DOUGLAS MD-80 149.50 130.00 JT8D-209 2 19.2 1.83 40 91.1 94.5 92.9 10 MCDONNELL, DOUGLAS MD-80 149.50 130.00 JT8D-217 2 20.8 1.80 40 89.7 95.8 92.9 10 MCDONNELL DOUGLAS MD-80 142.00 130.00 JT&D-217 2 20.8 1.80 40 88.2 96.1 92.9 10 MCDONNELL DOUGLAS MID-80 149.50 130.00 JT&D-219 2 21.7 1.70 40 88.6 97.1 92.9 10 MCDONNELL DOUGLAS MD-80 160.00 150.00 JT8D-217A 20.8 1.80 40 92.0 95.9 93.7 3 10 MCDONNELL DOUGLAS MD-80 160.00 150.00 JT&D-217C 20.8 1.70 2 40 91.5 96.3 93.7 3 10 MCDONNELL DOUGLAS MD-80 160.00 150.00 JT8D-219 2 21.7 1.70 2 40 90.8 97.2 93.7 3 10 Page 21

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APPENDIX 3 -*STAGE 3*

TURBOJET POWERED AIRPLANES MTOW MLW THRUST ELAPS NOISE LEVEL (EPNdB) MANUEACTURER MODEL 1000M 1000# ENGINE MODEL NO. 1000N BPR IQ AP IQ SL AP STAGE NOTES MCDONNELL DOUGLAS MD-87 125.00 120.00 JT&D-217A 2 20.8 1.80 40 $4.3 96.4 92.9 3 10 MCDONNELL DOUGLAS MD-87 125.00 120.00 JT&D-217C 20.8 1.70 40 84.1 96.5 92.9 10 MCDONNELL DOUGLAS MD-87 140.00 128.00 JT8D-219 2 21.7 1.70 40 $6.5 97.1 93.3 10 MCDONNELL DOUGLAS MD-87 149.50 130.00 JTSD-217A 2 20.8 1.80 40 89.7 95.9 93.3 3 10

• MCDONNELL DOUGLAS MID-87 149.50 130.00 JT&D-217C 20.8 1.70 40 $9.2 96.2 93.3 3 10 MCDONNELL DOUGLAS MDD-$7 149.50 130.00 JT&D-219 2 21.7 1.70 40 $8.5 97.1 93.3 10 MCDONNELL DOUGLAS MID-90-30 135.00 130.00 V2525-DS 2 25.0 4.80 5 40 78.3 89.2 91.7 MCDONNELL DOUGLAS MID-90-30 135.00 130.00 V2528-D5 2 28.0 4.80 40 77.2 91.4 91.7 3 MCDONNELL DOUGLAS MID-90-30 166.00 142.00 V2525-DS 2 25.0 4.80 40 $4.2 88.7 91.3 MCDONNELL DOUGLAS MID-90-30 165.00 142.00 V2528-DS 2 28.0 4.80 40 $2.6 90.9 91.8 3 MITSUBISHI MU-300 (DIAMOND I) 14.10 13.20 JT15D-4 2 2.50 10 30 $6.3 38.0 85.8 3 MITSUBISHI MU-300 (DIAMOND I) 15.50 13.20 JT15D-4D 2 30 81.2 88.4 85.8 3 MITSUBISHI MU-300-10 (DIAM. I1) 15.78 14.22 JISD-S 2 2.88 10 30 38.6 93.7 91.4 RAYTHEON HAWKER 125- 1A 21.20 19.60 TFE731-3-1H 2 3.70 2.70 45 83.4 90.1 96.0 3 RAYTHEON HAWKER 125- IA 21.70 19.60 TFE731-3-1H 3.70 2.70 45 84.2 90.0 96.0 RAYTHEON HAWKER 125- 3A 21.70 20.00 TFE731-3-1H 3.70 2.70 45 84.2 90.0 96.3 3 RAYTHEON HAWKER 125- JARA 23.60 20.00 TFE731-3-1H 2 3.70 2.70 45 $5.5 89.8 95.7 3 RAYTHEON HAWKER 125- 400A 23.60 20.00 TFE731-3-1H 2 3.70 2.70 45 85.5 89.8 95.7 RAYTHEON HAWKER 125- 600A 25.50 22.00 TFE731-3-1H 2 3.70 2.70 45 88.0 89.2 96.3 RAYTHEON HAWKER 125- 700A 25.50 22.00 TFE731-3-1H 2 3.70 2.70 45 88.0 89.2 96.3 33 - RAYTHEON HAWKER 125-800 27.40 23.35 TFE731-5R-1H 4.30 3.30 45 80.9 87.2 96.5 RAYTHEON HAWKER 125- 800A 27.40 23.35 TFE731-5R-1H 2 4.30 3.30 45 80.9 89.6 96.5 25 Page 22

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APPENDIX 3 **STAGE 3**

TURBOJET POWERED AIRPLANES

MTOW MLW FLAPS NOISE LEVEL (EPNJB) MANUTACTURER MODEL 1000# 1000# ENGINE MODEL AP STAGE NOTES RAYTHEON HAWKER 125-1000 31.00 25.00 PW305 91.6 RAYTHEON HAWKER 125-1000 35.50 28.50 PW305 92.0 SABRELINER SABRELINER 65 24.00 21.80 • TFE731-3R 2.80 $4.0 93.0 90.6 SABRELINER SABRELINER 65 22.70 21.80 TFE731-3R 3.70 2.80 36 82.3 93.1 90.6 Refer to Appendix 1 for Note Explanations Page 23

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APPENDIX 4 AIRCRAFT NOISE CERTIFICATION LEVELS IN DESCENDING EPNIB FOR U.S. CERTIFICATED TURBOJET POWERED AIRPLANES pOTAKEOFF MANUFACTURER MODEL MTOW 1000# MLW 1000# ENGINE MODEL IO FLAPS TO NOISE LEVEL (EPNdB) _ NOTES AEROSPATIALE SNSOI CORVETTE 14.60 13.20 J15D-4 15 74.0 AIRBUS A300 B4-605R 385.46 319.38 CF6-80C2A5F 91.5 AIRBUS A300B2-IC 313.00 286.60 CF6-50C2-R 91.8 = AIRBUS A300B2-203 313.10 286.60 CF6-50-C2 91.1 AIRBUS A300B4-103 347.20 295.40 CF6-50-C2 16 93.6 AIRBUS A300B4-203 363.70 299.83 CF6-50-C2 94.0 31 AIRBUS A300B4-622R 330.00 275.00 PW-4158 88.0 AIRBUS A310-221 305.60 267.90 JT9D-7R4DI 15 90.5 AIRBUS A310-304 352.74 286.60 CF6-80C2A2 92.9 AIRBUS A310-324 330.69 271.16 PW-4152 15 90.6 AIRBUS A319-112 158.73 149.91 CFM56-SB6 w/SAC 10 85.4 AIRBUS A319-113 158.73 149.91 CFM56-5A4 IO 87.5 AIRBUS A319-131 158.73 149.91 V2522-AS 10 85.3 AIRBUS A320-211 162.00 142.20 CFMS6-5A1 10 87 8 AIRBUS A320-231 162.00 142.20 V2500.A1 10 86.6 AIRBUS A330-301 507.06 418.88 CF6-80E1A2 14 94.2 AIRBUS A330-321 507.06 418.88 PW4164 95.6 AIRBUS A330-322 $07.06 419.8R PW4168 04 3 AIRBUS A340-212 595.25 440.92 CFM56-5C3 17 96.1 Page 1

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8/27197 AC 36-1G APPENDIX 4 AIRCRAFT NOISE CERTIFICATION LEVELS IN DESCENDING EPNdB FOR U.S. CERTIFICATED TURBOJET POWERED AIRPLANES **TAKEOFF* MANUFACTURER MODEL MTOW 1000M MLW 1000# ENGINE MODEL IO FLAPS TO NOISE LEVEL (ERNAB) NOTES AIRBUS A340-312 595.24 440.92 CFM56-5C3 17 96.2 AVRO 146-RJ 85 97.00 85.00 LF 507-1F 84.3 BAc 1-11 200 80.00 71.00 SPEY 506-14 3 93.3 12 BAc 1-11 400 87.00 77.20 SPEYS11-14/14W 94.8 12 BAc 1-11 400 $9.50 79.00 SPEYS11-14/14W 95.7 12 BAe 146-100 A 76.00 72.35 ALF502R-3 18 80.7 BAc 146-100 A 82.25 73.35 ALF502R-3A 18 82.3 BAc 146-100A 84.00 77.50 ALF502R-5 18 81.8 BAc 146-200A 89.50 77.50 ALFS02R-3 18 85.9 BAc 146-200A 89.50 77.50 ALF502R-3A 18 84.9 BAc 146-200A 93.00 $1.00 ALFS02R-5 18 85 2 BAc 146-300 101.50 88.50 LF 507-1H/-1F 18 86.3 BAc 146-300A 97.50 84.50 ALF502R-5 18 86.5 BAc C-29 A 28.00 23.35 TFE731-SR-1H 81.4 BEECH BEECHJET 400 15.78 14.22 JT15D-5 10 88.6 BOEING B-707-100B (QNC) 241.30 190.00 JT3D-1 103.4 6,** BOEING B-707-100B (QNC) 258.00 190.00 JT3D-3B 103.8 6,** BOEING B-707-120B (SHANNON) 258.00 190.00 JT3D-1 103.5 21.** BOEING B-707-138B (SHANNON) 258.00 190.00 ЛT3D-1 103.2 21,** BOEING B-707-300B ADV/C QNC 335.00 247.50 JT3D-3B 104.4 6.** Page 2

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APPENDIX 4 AIRCRAFT NOISE CERTIFICATION LEVELS IN DESCENDING EPNOB FOR U.S. CERTIFICATED TURBOJET POWERED AIRPLANES *TAKEOFF MANUFACTURER MODEL MTOW 1000# MLW 1000# ENGINE MODEL TO FLAPS TO NOISE LEVEL (EPNdB) NOTES BORING B-707-300B ADV/C SHN 330.00 201.00 ЛTЗD-7 104.7 6.ºº BOFING B-707-300B ADV/C SHN 321.00 240.00 104.5 6,** BOEING B-707-300B ADV/C SHN 322.30 247.00 IT3D-1-3B(IC) 14 105.5 6,21,** BOEING B-720B (QNC) 234.00 175.00 JT3D-1 102.3 6.** BOEING B-720B (QNC) 234.00 175.00 99.3 6,** BOEING B-720B (SHANNON) 234.00 175.00 JT3D-1 98.9 6,** BOEING B-720B (SHANNON) 234.00 175.00 JT3D-ЗB 97.3 6** BOEING B-727-100 169.50 137.50 JT8D-1FCD 98.5 3 BOEING B-727-100 169.50 137.50 JT8D-7FCD S 97.9 3,16 BOEING B-727-100 169.50 137.50 JT&D-9FCD 5 98.3 3,17 BOEING B-727-100 (Dee Howard) 169.50 137.50 TAY 651-54 92.1 BOEING B-727-100 (FED EX:STC SA3993NM 163.50 137.50 JT8D-7 w/BOEING 5 93.2 35 INLET+FAN CSD BOEING B-727-100 (FED EX:STC SA3993NM 169.50 137.50 JT&D-9 w/BOEING 93.9 35 INLET+CHIN CSD BOEING B-727-100 (FED EX;STC SA3993NM 174.50 142.50 JT&D-7 w/BOEING 95.7 35 INLET+CHIN CSD BOEING B-727-100 (FED EX;STC SA3993NM 169.50 142.50 JT8D-7 w/BURBANK 94.1 35 INLET+CHIN CSD BOEING B-727-100 (FED EX;STC SA3993NM 169.50 142.50 JTSD-7 wBURBANK S 94.1 35 INLET+FAN CSD BOLING B-727-100 (FED EX:STC SA3993NM 169.50 142.50 JT&D-9 w/BOEING 5 93.9 35 INLET+FAN CSD BOEING B-727-100 (FED EX;STC SA3993NM 174.50 142.50 JT8D-9 w/BURBANK 5 94.9 35 INLET+CHIN CSD BOEING B-727-200 190.50 142.50 JT8D-15QN 5 100.0 2,18 BOEING B-727-200 208.00 142.50 JT8D-17RON 102.4 2,20 Page 3

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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 IQ FLAPS TO NOISE LEVEL (EPNOB) NOTES BOEING B-727-200 177.60 142.50 JT8D-7FCD 5 99.8 3,16 BOEING B-727-200 172.50 142.50 JT8D-7QN 15 100.0 2,16 BOEING B-727-200 184.80 142.50 JT8D-9QN 15 101.5 2,17 BOEING B-727-200 173.00 150.00 JT8D-9FCD 5 100.7 3,17 BOEING B-727-200 203.10 158.00 JT&D-17QN 5 102.0 2,19 BOEING B-727-200 (FED EX;STC SA4833NM 172.60 150.00 JT&D-7 ₩/BOEING 5 96.0 35 INLET+CHIN CSD BOEING B-727-200 (FED EX;STC SA4833NM 172.50 150.00 JT&D-7 w/BOEING 5 95.9 35 INLET+FAN CSD BOEING B-727-200 (FED EX;STC SA4833NM 173.88 150.00 JT8D-9 w/BOEING 95.5 35 INLET+CHIN CSD BOEING B-727-200 (FED EX;STC SA4833NM 167.85 150.00 JT8D-9 w/BOEING 5 94.2 35 INLET+FAN CSD BOEING B-727-200 (FED EX;STC SA4833NM 175.00 150.00 JTSD-9 w/BURBANK 5 95.2 35 INLET+CHIN CSD BOEING B-727-200 (FED EX;STC SA4833NM 170.48 150.00 JT8D-9 w/BURBANK 5 94.3 35 INLET+FAN CSD BOEING B-727-200 (FED EX;STC SA4833NM 178.42 154.50 JTSD-7 w/BURBANK 5 97.0 35 INLET+CHIN CSD BOEING B-727-200 (FED EX;STC SA4833NM 178.00 161.00 JT8D-7 w/BURBANK 5 96.9 35 INLET+FAN CSD BOEING B-727-200 (FED EX;STC SAS839NM 189.20 160.00 J8D-9 w/BOEING 5 97.3 27 INLET+CHIN CSD BOEING B-727-200 (FED EX;STC SA5839NM 189.20 160.00 JT8D-9 w/BOEING 97.3 27 INLET+FAN CSD BOEING B-727-200 (FED EX;STC SA5&39NM 191.20 160.00 JT&D-9 w/BURBANK 97.4 27 INLET+CHIN CSD BOEING B-727-200 (FED EX;STC SA5839NM 191.20 160.00 JT8D-9 w/BURBANK 97.4 27 INLET+FAN CSD BOEING B-727-200 (FED EX;STC SA5839NM 202.00 164.00 JT8D-17 S 97.1 27

W/BURBANK INLET BOEING B-727-200 (FED EX;STC SA5839NM 199.51 166.00 JT&D-15 w/BOEING 5 97.6 28 INLET+CHIN CSD BOEING B-727-200 (FED EX;STC SA5839NM 199.05 166.00 JT&D-15 w/BOEING 5 97.6 27 INLET+CHIN CSD Page 4

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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# MCW 1000# ENGINE MODEL TO FLAPS TO NOISE LEVEL (EPNIB) NOTES BOEING B-727-200 (FED EX;STC SAS839NM 199.05 166.00 JT&D-15 w/BOEING 97.6 27 INLET+FAN CSD BOEING B-727-200 (FED EX:STC SA5839NM 201.00 166.00 JT&D-15 5 97.7 27 #/BURBANK BOEING B-727-200 (FED EX;STC SA5839NM 200.00 166.00 JT8D-17 w/BOEING 97.1 27 INLET BOEING B-727-200RE(VALS.AN) 190.50 148.00 JT8D-15/217C 91.5 6,23 BOEING B-727-200RE(VALSAN) 198.50 159.00 JT&D-17/217C 92.2 6,23 BOEING B-727-200RE(VALSAN) 209.50 159.00 JT8D-17A/217C 94.5 6,23 BOEING B-737-200 (AVAERO;STC ST223CH) 128.10 $8.00 JT8D-17 91.4 27 BOEING B-737-200 (AVAERO;STC ST223CH) 117.00 90.00 JT8D-15 897 35,42 BOEING B-737-200 (AVAERO;STC ST223CH) 128.10 93.00 JT8D-15 92.1 27.42 BOEING B-737-200 (AVAERO;STC ST223CH) 128.10 107.00 JT8D-17 91.4 27 BOEING B-737-200 (AVAERO;STC ST223CH) 118.50 107.00 ST8D-9 91.5 35.41 BOFING B-737-200 (AVAERO;STC ST223CH) 121.50 107.00 JT8D-9 91.5 27,41 BOEING B-737-200 (NORDAM;STC 119.50 103.00 JT8D-15 w/LGW 9i1 ST001315E) HUSHKIT BOEING B-737-200 (NORDAM;STC 119.50 103.00 JT8D-15 w/LGW-L 90.2 ST00131SE) HUSHKIT BOEING B-737-200 ADV(AVAERO;STC 119.50 88.00 JT&D-15 90.3 33,42 ST223CH BOEING B-737-200 ADV(AVAERO;STC 119.50 95.00 JT&D-9 91.7 35,41 ST223CH) BOEING B-737-200 ADV(AVAERO;STC 128.10 98.00 JT8D-15 92.1 27,42 ST223CH) BOEING B-737-200 ADV(AVAERO;STC 128.10 107.00 ST8D-15 92.1 27.42 ST223CH) BOEING B-737-200 ADV(AVAERO;STC 124.50 107.00 JT8D-15 91.8 35,42 ST223CH) BOEING B-737-200 ADV(AVAERO;STC 125.00 107.00 JT8D-17 90.2 27 ST223CH) Page 5

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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# MILW 1000N ENGINE MODEL IO FLAPS TO NOISE LEVEL (EPN&B) NOTES BOEING B-737-200 ADVAVAERO;STC 128.10 107.00 ST8D-1? 91.2 27 ST223CH) BOEING B-737-200 ADV(AVAERO;STC 119.50 107.00 JT8D-9 91.7 35,41 ST223CH) BOEING B-737-200 ADVAVAERO;STC 121.50 107.00 JT&D-9 91.5 27,41 ST223CH) BOEING B-737-200 ADV(NORDAM;STC 126.70 107.00 JT8D-15 91.0 27,42 SAS730NM) BOEING B-737-200 ADV(NORDAM;STC 126.50 107.00 JT8D-17 90.0 27 SAS730NM) BOEING B-737-200 ADV(NORDAM;STC 124.50 107.00 JT8D-9 91.9 27,41 SA5730NM) BOEING B-737-200 ADV(NORDAM;STC 121.60 107.00 JT&D-15 w/LGW 91.7 37 ST00131SE) HUSHKIT BOEING B-737-200 ADV(NORD.AM;STC 125.90 107.00 JT8D-15 w/LGW-L 91.3 37 ST00131SE) HUSHKIT BOEING B-737-200 ADV(NORDAM;STC 120.50 107.00 JT8D-17/-17A w/LG 90.8 ST00131SE) HUSHKIT BOEING B-737-200 ADV(NORDAM;STC 117.00 107.00 J8D-7 w/LGW-N 91.6 40 ST00131SE) HUSHKIT BOEING B-737-200 ADV(NORDAM:STC 118.70 107.00 J8D-9 W/LGW 91.6 36 ST00131SE) HUSHKIT BOEING B-737-200 ADV(NORDAM;STC 122.90 107.00 JT&D-9 W/LGW-L 91.8 36 ST00131SE) HUSHKIT BOEING B-737-200 ADV(NORDAM;STC 118.50 107.00 JT8D-9 w/LGW-N 91.6 36 ST00131SE) HUSHKIT BOLING B-737-200 ADV. 128.10 79.10 IT8D-17QN 97.0 2,19 BOEING B-737-200 ADV. 128.10 88.00 JT8D-15QN 1 97.7 2,18 BOEING B-737-200 ADV. 122.50 105.00 JT8D-9QN 96.9 2,17 BOEING B-737-200 NON-ADV. 109.00 98.00 JT&D-7QN 94.7 2,16 BOEING B-737-200 NON-ADV. 117.00 101.70 JT8D-9QN 95.5 2,17 BOEING B-737-300 139.50 121.00 CFM56-3 w/HWFAP 1 85.2 38 BOEING B-737-300 139.50 121.00 CFM56-3 F/HWFAP 85.2 Page 6