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 4–15

APPENDIX 1, CHANGE 1

AIRCRAFT NOISE DATA FOR

UNITED STATES CERTIFICATED TURBOJET POWERED AIRPLANES MTOW MLW THRUST FLAPS NOISE LEVEL (EPNdB) MANUFACTURER MODEL 1000# 1000# ENGINE MODEL NO. 1000# BPR TO AP TO SL AP STAGE NOTES AIRBUS A320-214 132.16 127.80 CFM56-5B4/P 2 27.00 5.90 10 35 78.8 95.2 95.5 3 AIRBUS A320-214 182.80 150.00 CFM56-5B4/P 2 27.00 5.90 10 35 88.0 93.7 95.8 3 AIRBUS A320-231 149.90 142.20 V2500.A1 2 25.00 6.00 10 40 84.0 93.0 96.6 3 AIRBUS A320-231 162.00 142.20 V2500.A1 2 25.00 6.00 10 40 86.6 92.8 96.6 3 AIRBUS A320-232/233 145.51 142.20 (A320-232 Mod No. 34041) 2 26.50 4.80 10 40 80.2 91.7 94.3 4 IAE V2527-A5 w or w/o Mod No. 37868 and (A320- 233 Mod No. 34041) IAE V2527E-A5 w or w/o Mod No. 37868 AIRBUS A320-232/233 145.51 142.20 (A320-232) IAE V2527-A5 2 26.50 4.80 10 40 80.2 91.7 94.3 4 w or w/o Mod No. 37868 and (A320-233) IAE V2527E-A5 w or w/o Mod No. 37868 Page 11

APPENDIX 1, CHANGE 1

AIRCRAFT NOISE DATA FOR

UNITED STATES CERTIFICATED TURBOJET POWERED AIRPLANES

MTOW MLW MANUFACTURER MODEL 1000# 1000# ENGINE MODEL AIRBUS A320-232/233 171.96 145.51 (A320-232 Mod No. 34041) IAE V2527-A5 w or w/o Mod No. 37868 and (A320- 233 Mod No. 34041) IAE V2527E-A5 w or w/o Mod No. 37868 AIRBUS A320-232/233 171.96 145.51 (A320-232) IAE V2527-A5 w or w/o Mod No. 37868 and (A320-233) IAE V2527E-A5 w or w/o Mod No. 37868 AIRBUS A321-111 171.96 162.04 CFM56-5B1/2P DAC II C w/ Mod. No. 25800 and 26610, w or w/o Mod No.

27772 NO.

2 THRUST 1000#

26.50 BPR

4.80 TO AP FLAPS 10 40

TO SL AP NOISE LEVEL (EPNdB)

84.9 91.3 94.4 STAGE 4 NOTES 2 26.50 4.80 10 40 84.9 91.3 94.4 4 2 30.00 5.70 10 25 84.8 96.1 96.8 4 AIRBUS A321-111 171.96 162.04 CFM56-5B1/P and/or 5B1/3 2 30.00 5.70 10 25 83.8 94.4 96.1 4 w/ basic NIP (Mod No.

32871, 33987) AIRBUS A321-111 171.96 162.04 CFM56-5B1/P w/ Mod No. 2 30.00 5.70 10 25 84.3 96.1 96.5 4 27772 (w/ or w/o Mod No.

38770 (HPC Upgrade Kit)) or CFM56-5B1/3 (Mod No.

37147) w/ Mod No. 27772 AIRBUS A321-111 171.96 162.04 CFM56-5B1/P w/ or w/o 2 30.00 5.70 10 25 84.9 96.7 96.6 4 Mod No. 38770 (HPC Upgrade Kit)) or CFM56- 5B1/3 (Mod No. 37147) Page 12

APPENDIX 1, CHANGE 1

AIRCRAFT NOISE DATA FOR

UNITED STATES CERTIFICATED TURBOJET POWERED AIRPLANES

MANUFACTURER AIRBUS AIRBUS MODEL A321-111 A321-111 1000# MTOW

196.21

196.21 1000# MLW

166.45

166.45

ENGINE MODEL CFM56-5B1/2P DAC II C w/ Mod. No. 25800 and 26610, w or w/o Mod No.

27772 CFM56-5B1/P and/or 5B1/3 w/ basic NIP (Mod No.

32871, 33987) NO.

2 2 THRUST 1000#

30.00

30.00 BPR

5.70

5.70 TO AP FLAPS 10 25 10 25

TO SL AP NOISE LEVEL (EPNdB)

89.1 95.6 96.9

87.8 93.9 96.3 STAGE 4 4 NOTES AIRBUS AIRBUS AIRBUS A321-111 A321-111 A321-112

196.21

196.21

171.96

166.45

166.45

162.04 CFM56-5B1/P w/ Mod No.

27772 (w/ or w/o Mod No.

38770 (HPC Upgrade Kit)) or CFM56-5B1/3 (Mod No.

37147) w/ Mod No. 27772 CFM56-5B1/P w/ or w/o Mod No. 38770 (HPC Upgrade Kit)) or CFM56- 5B1/3 (Mod No. 37147) CFM56-5B2 2 2 2

30.00

30.00

31.00

5.70

5.70

5.60 10 10 10 25 25 25

88.8

89.5

84.3

95.6

96.2

95.8

96.6

96.8

95.7 4 3 4 AIRBUS A321-112 171.96 162.04 CFM56-5B2/P w/ Mod No.

27772 (w/ or w/o Mod No.

38770 (HPC Upgrade Kit)) or CFM56-5B2/3 (Mod No.

37147) w/ Mod No. 27772 2 31.00 5.60 10 25 84.1 96.7 96.5 4 Page 13

APPENDIX 1, CHANGE 1

AIRCRAFT NOISE DATA FOR

UNITED STATES CERTIFICATED TURBOJET POWERED AIRPLANES

MANUFACTURER AIRBUS AIRBUS MODEL A321-112 A321-112 1000# MTOW

171.96

196.21 1000# MLW

162.04

166.45

ENGINE MODEL CFM56-5B2/P w/ or w/o Mod No. 38770 (HPC Upgrade Kit)) or CFM56- 5B2/3 (Mod No. 37147) CFM56-5B2 NO.

2 2 THRUST 1000#

31.00

31.00 BPR

5.60

5.60 TO AP FLAPS 10 25 10 25

TO SL AP NOISE LEVEL (EPNdB)

84.7 97.3 96.6

88.6 95.4 95.9 STAGE 3 4 NOTES AIRBUS AIRBUS AIRBUS A321-112 A321-112 A321-211

196.21

196.21

165.34

166.45

166.45

143.29 CFM56-5B2/P w/ Mod No.

27772 (w/ or w/o Mod No.

38770 (HPC Upgrade Kit)) or CFM56-5B2/3 (Mod No.

37147) w/ Mod No. 27772 CFM56-5B2/P w/ or w/o Mod No. 38770 (HPC Upgrade Kit)) or CFM56- 5B2/3 (Mod No. 37147) CFM56-5B3/P; Mod. No.

27772 2 2 2

31.00

31.00

32.00

5.60

5.60

5.60 10 10 25 25 25

88.4

89.2

82.9

96.2

96.8

97.9

96.6

96.8

95.6 4 3 3 AIRBUS A321-211 205.02 171.51 CFM56-5B3/P; Mod. No.

27772 2 32.00 5.60 25 89.8 97.5 96.6 3 Page 14

APPENDIX 1, CHANGE 1

AIRCRAFT NOISE DATA FOR

UNITED STATES CERTIFICATED TURBOJET POWERED AIRPLANES

MANUFACTURER AIRBUS MODEL A321-212 1000# MTOW

171.96 1000# MLW

162.04

ENGINE MODEL CFM56-5B1/2P DAC II C w/ Mod. No. 25800 and 26610, w or w/o Mod No.

27772 NO.

2 THRUST 1000#

30.00 BPR

5.60 TO AP FLAPS 10 25

TO SL AP NOISE LEVEL (EPNdB)

84.8 96.1 96.8 STAGE 4 NOTES AIRBUS A321-212 171.96 162.04 CFM56-5B1/P and/or 5B1/3 w/ basic NIP (Mod No.

32871, 33987) 2 30.00 5.60 10 25 83.8 94.4 96.1 4 AIRBUS AIRBUS A321-212 A321-212

171.96

171.96

162.04

162.04 CFM56-5B1/P w/ Mod No.

27772 (w/ or w/o Mod No.

38770 (HPC Upgrade Kit)) or CFM56-5B1/3 (Mod No.

37147) w/ Mod No. 27772 CFM56-5B1/P w/ or w/o Mod No. 38770 (HPC Upgrade Kit)) or CFM56- 5B1/3 (Mod No. 37147) 2 2

30.00

30.00

5.60

5.60 10 10 25 25

84.3

84.9

96.1

96.7

96.5

96.6 4 4 AIRBUS A321-212 206.13 171.52 CFM56-5B1/2P DAC II C w/ Mod. No. 25800 and 26610, w or w/o Mod No.

27772 2 30.00 5.60 10 25 91.1 95.1 97.0 3 AIRBUS A321-212 206.13 171.52 CFM56-5B1/P and/or 5B1/3 w/ basic NIP (Mod No.

32871, 33987) 2 30.00 5.60 10 25 89.5 93.4 96.6 4 Page 15

APPENDIX 1, CHANGE 1

AIRCRAFT NOISE DATA FOR

UNITED STATES CERTIFICATED TURBOJET POWERED AIRPLANES

MANUFACTURER MODEL 1000# MTOW 1000# MLW ENGINE MODEL NO.

THRUST 1000# BPR TO AP FLAPS

TO SL AP NOISE LEVEL (EPNdB)

STAGE NOTES AIRBUS A321-212 206.13 171.52 CFM56-5B1/P w/ Mod No.

27772 (w/ or w/o Mod No.

38770 (HPC Upgrade Kit)) or CFM56-5B1/3 (Mod No.

37147) w/ Mod No. 27772 2 30.00 5.60 10 25 90.9 95.1 96.8 3 AIRBUS A321-212 206.13 171.52 CFM56-5B1/P w/ or w/o Mod No. 38770 (HPC Upgrade Kit)) or CFM56- 5B1/3 (Mod No. 37147) 2 30.00 5.60 10 25 91.6 91.8 97.0 3 AIRBUS A321-213 171.96 162.04 CFM56-5B2/P w/ Mod No. 2 31.00 5.60 10 25 84.1 96.7 96.5 4 27772 (w/ or w/o Mod No.

38770 (HPC Upgrade Kit)) or CFM56-5B2/3 (Mod No.

37147) w/ Mod No. 27772 AIRBUS A321-213 171.96 162.04 CFM56-5B2/P w/ or w/o 2 31.00 5.60 10 25 84.7 97.3 96.6 3 Mod No. 38770 (HPC Upgrade Kit)) or CFM56- 5B2/3 (Mod No. 37147) AIRBUS A321-213 206.13 171.52 CFM56-5B2/P w/ Mod No. 2 31.00 5.60 10 25 90.3 96.1 96.8 3 27772 (w/ or w/o Mod No.

38770 (HPC Upgrade Kit)) or CFM56-5B2/3 (Mod No.

37147) w/ Mod No. 27772 AIRBUS A321-213 206.13 171.52 CFM56-5B2/P w/ or w/o 2 31.00 5.60 10 25 91.0 96.7 97.0 3 Mod No. 38770 (HPC Upgrade Kit)) or CFM56- 5B2/3 (Mod No. 37147) Page 16

APPENDIX 1, CHANGE 1

AIRCRAFT NOISE DATA FOR

UNITED STATES CERTIFICATED TURBOJET POWERED AIRPLANES MTOW MLW THRUST FLAPS NOISE LEVEL (EPNdB) MANUFACTURER MODEL 1000# 1000# ENGINE MODEL NO. 1000# BPR TO AP TO SL AP STAGE NOTES AIRBUS A321-231 165.34 143.29 V2533A5 2 33.00 4.46 25 81.8 95.6 95.1 3 AIRBUS A321-231 205.02 171.51 V2533A5 2 33.00 4.46 25 88.2 95.2 95.8 3 AIRBUS A330-301 396.83 361.56 CF6-80E1A2 2 65.80 5.05 14 32 87.0 97.9 98.5 3 AIRBUS A330-301 507.06 418.88 CF6-80E1A2 2 65.80 5.05 14 32 94.2 97.2 98.7 3 AIRBUS A330-321 396.83 330.69 PW4164 2 64.00 4.85 8 32 88.5 98.0 97.3 3 AIRBUS A330-321 507.06 418.88 PW4164 2 64.00 4.85 8 32 95.6 97.5 98.0 3 Page 17

APPENDIX 1, CHANGE 1

AIRCRAFT NOISE DATA FOR

UNITED STATES CERTIFICATED TURBOJET POWERED AIRPLANES MTOW MLW THRUST FLAPS NOISE LEVEL (EPNdB) MANUFACTURER MODEL 1000# 1000# ENGINE MODEL NO. 1000# BPR TO AP TO SL AP STAGE NOTES AIRBUS A330-322 396.83 330.69 PW4168 2 68.00 4.85 8 32 87.6 98.6 97.3 3 AIRBUS A330-322 507.06 418.88 PW4168 2 68.00 4.85 8 32 94.3 98.3 98.0 3 AIRBUS A340-212 485.01 363.76 CFM56-5C3 4 32.50 6.60 17 32 88.1 95.8 97.3 3 AIRBUS A340-212 595.25 440.92 CFM56-5C3 4 32.50 6.60 17 32 96.1 95.4 97.2 3 AIRBUS A340-312 485.02 363.76 CFM56-5C3 4 32.50 6.60 17 32 88.0 95.8 97.3 3 AIRBUS A340-312 595.24 440.92 CFM56-5C3 4 32.50 6.60 17 32 96.2 95.3 97.2 3 Page 18

MANUFACTURER 04/24/2012 AIRBUS MODEL A340-541 1000# 1000# ENGINE MODEL THRUST 1000# BPRNO.

AIRCRAFT NOISE DATA FOR

UNITED STATES CERTIFICATED TURBOJET POWERED AIRPLANES

MTOW MLW

672.41 485.02 RR TRENT 553 4 55.78 7.70 TO AP FLAPS 17 34

TO SL AP STAGE NOTES NOISE LEVEL (EPNdB) AC 36-1H APPENDIX 1, CHANGE 1

88.9 95.7 99.3 3 AIRBUS A340-541 870.83 595.25 RR TRENT 553 4 55.78 7.70 17 34 96.9 94.9 99.5 3 AIRBUS A380-841 1254.43 862.01 RR TRENT 970 4 78.30 8.70 8 23 94.8 95.2 98.0 4 AIRBUS A380-841 1254.40 862.01 RR TRENT 970 w/ Post TC Mod No. 65283 4 78.30 8.70 8 23 95.6 94.2 98.0 4 AIRBUS A380-841 1124.36 868.62 RR TRENT 970 4 78.30 8.70 8 23 91.2 95.2 98.0 4 AIRBUS A380-841 1124.40 868.62 RR TRENT 970 w/ Post TC Mod No. 65283 4 78.30 8.70 8 23 91.9 94.6 98.1 4 Page 19

MANUFACTURER 04/24/2012 AIRBUS MODEL A380-842 1000# 1000# ENGINE MODEL THRUST 1000# BPRNO.

AIRCRAFT NOISE DATA FOR

UNITED STATES CERTIFICATED TURBOJET POWERED AIRPLANES

MTOW MLW 1254.43 862.01 RR TRENT 972 4 80.21 8.60 TO AP FLAPS 8 23

TO SL AP STAGE NOTES NOISE LEVEL (EPNdB) AC 36-1H APPENDIX 1, CHANGE 1

94.3 95.3 98.0 4 AIRBUS A380-842 1254.40 862.01 RR TRENT 972 w/ Post TC Mod No. 65283 4 80.21 8.60 8 23 95.1 94.6 98.0 4 AIRBUS A380-842 1124.36 868.62 RR TRENT 972 4 80.21 8.60 8 23 90.9 95.6 98.0 4 AIRBUS A380-842 1124.40 868.62 RR TRENT 972 w/ Post TC Mod No. 65283 4 80.21 8.60 8 23 91.5 94.9 98.1 4 AIRBUS UK 1-11 200 80.00 71.00 SPEY 506-14 2 10.40 1.00 3 45 93.3 99.1 97.8 2 12 AIRBUS UK 1-11 400 87.00 77.20 SPEY511-14/14W 2 11.40 0.70 0 45 94.8 103.4 99.7 2 12 Page 20

APPENDIX 1, CHANGE 1

AIRCRAFT NOISE DATA FOR

UNITED STATES CERTIFICATED TURBOJET POWERED AIRPLANES MTOW MLW THRUST FLAPS NOISE LEVEL (EPNdB) MANUFACTURER MODEL 1000# 1000# ENGINE MODEL NO. 1000# BPR TO AP TO SL AP STAGE NOTES AIRBUS UK 1-11 400 89.50 79.00 SPEY511-14/14W 2 11.40 0.70 0 45 95.7 103.3 99.9 2 12 AIRBUS UK 1-11 400 (QTV STC: ST02167AT) 81.90 78.00 SPEY511-14/14W 2 11.40 0.70 26 90.0 96.2 93.8 3 BAE SYSTEMS (AVRO) 146-RJ 100 95.00 83.00 LF 507-1F 4 7.00 5.10 18 33 83.8 88.3 97.2 3 BAE SYSTEMS (AVRO) 146-RJ 100 101.50 88.50 LF 507-1F 4 7.00 5.10 18 33 86.1 88.1 97.6 3 BAE SYSTEMS (AVRO) 146-RJ 70 84.00 83.50 LF 507-1F 4 6.13 5.10 18 33 81.9 87.2 97.5 3 BAE SYSTEMS (AVRO) 146-RJ 70 95.00 83.50 LF 507-1F 4 7.00 5.10 18 33 83.6 88.6 97.5 3 4 Page 21

APPENDIX 1, CHANGE 1

AIRCRAFT NOISE DATA FOR

UNITED STATES CERTIFICATED TURBOJET POWERED AIRPLANES MTOW MLW THRUST FLAPS NOISE LEVEL (EPNdB) MANUFACTURER MODEL 1000# 1000# ENGINE MODEL NO. 1000# BPR TO AP TO SL AP STAGE NOTES BAE SYSTEMS (AVRO) 146-RJ 70 84.00 83.50 LF 507-1F 4 7.00 5.10 18 33 80.2 89.1 97.5 3 4 BAE SYSTEMS (AVRO) 146-RJ 70 90.00 83.50 LF 507-1F 4 6.13 5.10 18 33 84.1 86.9 97.5 3 BAE SYSTEMS (AVRO) 146-RJ 85 89.50 77.50 LF 507-1F 4 7.00 5.10 18 33 81.9 88.7 96.9 3 BAE SYSTEMS (AVRO) 146-RJ 85 97.00 85.00 LF 507-1F 4 7.00 5.10 18 33 84.3 88.4 97.3 3 BAE SYSTEMS (BAe) 146-100A 76.00 72.35 ALF502R-3 4 6.70 5.90 18 33 80.7 87.2 95.1 3 BAE SYSTEMS (BAe) 146-100A 76.00 72.35 ALF502R-3A 4 6.70 5.90 18 33 79.0 88.0 94.9 3 Page 22