Noise Measurement Flight Test of Five Light Helicopters

Abstract

The U.S. Department of Transportation, Federal Aviation Administration, (U.S.DOT/FAA), along with the U.S.DOT, Research and Special Programs Administration, Volpe National Transportation Systems Center (RSPA/ volpe Center) conducted a helicopter noise measurement flight test in Champaign, Illinois, during the period July 22 through 26, 1991. The primary objective of the study was to obtain the field data necessary to examine the feasibility of a Bimplified helicopter-noise-certification procedure (screening test). Acoustic data were measured by and stored on a hand-held sound-level meter (on-line processing) and recorded on digital tape for later off-line processing. A comparison of the measured on-line acoustic data with the acoustic data processed off-line provided the foundation necessary to evaluate the feasibility of the proposed screening test. In addition to acoustic measurements, meteorological data and helicopter tracking and performance data were also obtained.... Helicopter, Noise Measurement, Acoustic, Configuration, Meteorological

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1993
Accession Number
ADA268566

Entities

People

  • Amanda S. Keller
  • Edward J. Rickley
  • Gregg G. Fleming
  • Kenneth E. Jones

Organizations

  • John A. Volpe National Transportation Systems Center

Tags

Communities of Interest

  • Air Platforms
  • C4I
  • Sensors

DTIC Thesaurus Topics

  • Acoustic Measurement
  • Acoustics
  • Aircrafts
  • Exhaust Systems
  • Frequency Bands
  • Helicopters
  • Mach Number
  • Measurement
  • Meteorological Data
  • National Transportation System
  • Plastic Explosives
  • Recording Systems
  • Rotary Wing Aircraft
  • Transportation
  • Turbines
  • United States
  • Weather Stations

Readers

  • Acoustical Oceanography.
  • Aerospace Engineering
  • Computer Science/Computer Engineering/Data Science/Digital Signal Processing.