11/15/01 AC36-1H Appendix 11
EQUATIONS FOR THE CALCULATION OF NOISE CERTIFICATION LIMITS 14 CFR Part 36, APPENDIX J Noise Limit (SEL) Flyover Limits Up to and including 1,764 pounds 82 Over 1,764 pounds up to and including 6,000 pounds log W 82 + 3 01 {{ . 1 764 {{, log 2{ { { { Page 4
11/15/01 AC36-1H
Appendix 11
NOISE CERTIFICATION REQUIREMENTS - HELICOPTERS 14 CFR Part 36 - APPENDIX J (FLYOVER) 90
1 Stage 2 10 Takeoff Weight (1,000 lbs) Page 5
SEL
11/15/01 AC36-1H Appendix 12 APPENDIX 12
ABBREVIATIONS # Pounds AFM Airplane Flight Manual ALT Altitude AP Approach APU Auxiliary Power Unit BPR Bypass Ratio CBQFC Cutback Fan Blades and Quiet Fan Case CdBA Corrected Noise Level in A-Weighted Decibels CFR Code of Federal Regulations CSD Constant Speed Drive Oil Cooler DAC Dual Annular Combustor dBA A-Weighted Decibels DIA Diameter DIAM Diameter EPNdB Effective Perceived Noise Level in Decibels EXH Exhaust Configuration FO Flyover FSMS Fan Speed Modified System FT Feet HWFAP Hardwall Forward Acoustic Panels ICAO International Civil Aviation Organization IGW Increased Gross Weight MdBA Measured Noise Level in A -Weighted Decibels MFR Manufacturer MLW Maximum Certificated Landing Weight MP Modified Production MTOW Maximum Certificated Takeoff Weight nCBQFC non-Cutback Fan Blades and Quiet Fan Case NO Number NRI Noise Reduction Inlet PC Performance Correction RPM Revolutions per Minute SAC Single Annular Combustor SHP Shaft Horsepower Page 1
11/15/01 AC36-1H Appendix 12 APPENDIX 12
ABBREVIATIONS SL STC TO Sideline Supplemental Type Certificate Takeoff Page 2