Noise measurement flight test for Aerospatiale AS 350D AStar helicopter : data and analyses

Newman, J. Steven; Rickley, Edward J.; Beattie, Kristy R.; Bland, Tyrone L.; United States. Department of Transportation. Federal Aviation Administration. Office of Environment and Energy; John A. Volpe National Transportation Systems Center (U.S.); Operations Research Incorporated

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Noise measurement flight test for Aerospatiale AS 350D AStar helicopter : data and analyses

1984-09-30
By Newman, J. Steven ; Rickley, Edward J. ; Beattie, Kristy R. ; ...

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English

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Creators:

Newman, J. Steven ; Rickley, Edward J. ; Beattie, Kristy R. ; Bland, Tyrone L.

Newman, J. Steven ; Rickley, Edward J. ; Beattie, Kristy R. ; Bland, Tyrone L. Less -
Corporate Creators:

United States. Department of Transportation. Federal Aviation Administration. Office of Environment and Energy ; John A. Volpe National Transportation Systems Center (U.S.) ; Operations Research Incorporated

United States. Department of Transportation. Federal Aviation Administration. Office of Environment and Energy ; John A. Volpe National Transportation Systems Center (U.S.) ; Operations Research Incorporated Less -
Subject/TRT Terms:

[+]

Acoustic Emission Acoustic Equipment Aircraft Noise Airport Noise Certification Directivity Environmental Impacts Helicopters Heliports Microphones Noise Certification Sound Transmission
Publication/ Report Number:

FAA-EE-84-05
Resource Type:

Tech Report
Geographical Coverage:

Washington (District of Columbia)
Corporate Publisher:

United States. Federal Aviation Administration. Office of Environment and Energy
Abstract:

This report is the fifth in a series of seven documenting the FAA helicopter noise measurement program conducted at Dulles International Airport during the summer of 1983. The AStar test program involved the acquisition of detailed acoustical, position and meteorological data. This test program was designed to address a series of objectives including: 1) acquisition of acoustical data for use in assessing heliport environment impact, 2) documentation of directivity characteristics for status operations of helicopters, 3) establishment of ground-to-ground and air-to-ground acoustical propagation relationships for helicopters, 4) determination of noise event duration influences on energy dose acoustical metrics, 5) examination of the differences between noise measured by a surface mounted microphone and a microphone mounted at a height of four feet (1.2 meters), and 6) documentation of noise levels acquired using international helicopter noise certification test procedures.
Format:

PDF
Collection(s):

Volpe Center
Main Document Checksum:

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urn:sha256:e59df09534c44d5c297705a0d49fd4b889c3986b1c2896e2a0273d6a0a98b757
Download URL:

https://rosap.ntl.bts.gov/view/dot/9789/dot_9789_DS1.pdf
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Noise measurement flight test for Aerospatiale AS 350D AStar helicopter : data and analyses

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