Helicopter Noise Exposure Curves for Use in Environmental Impact Assessment
Noise Measurement Flight Test for Boeing Vertol 234/CH 47-D Helicopter: Data/Analyses
Noise Measurement Flight Test: Data/Analyses, Sikorsky S-76A Helicopter
Noise Measurement Flight Test: Data/Analyses Aerospatiale AS 350D AStar Helicopter
Analysis of Helicopter Noise Data Using International Helicopter Noise Certification Procedures
Analysis of Helicopter Noise Data Using International Helicopter Noise Certification Procedures