Investigation of Ground and Maintenance Crew Noise Exposure for the Royal Canadian Air Force CH-147F Helicopter

Authors

  • Andrew Price <p>National Research Council Canada</p><p> </p>
  • Sebastian Ghinet <p>National Research Council</p>
  • Viresh Wickramasinghe National Research Council
  • Eric Chen National Research Council
  • Anant Grewal National Research Council

Abstract

Rotary aircraft maintenance personnel, similar to helicopter aircrew, are exposed to high noise levels while working in and around aircraft. The noise environment may include tonal rotor noise, high frequency engine, transmission and hydraulic systems noise as well as broadband noise. Prolonged exposure may lead to hearing loss if the designated hearing protection is inadequate or improperly fitted. A thorough interior and exterior noise exposure measurement campaign was conducted on the Royal Canadian Air Force’s CH-147F helicopter. A number of representative operational states for maintenance and tarmac conditions were investigated and referenced to the Canadian Aviation Occupational Health and Safety Regulations. The results were analyzed to determine the acoustic performance of ground maintenance crew hearing protection equipment.

Author Biographies

Andrew Price, <p>National Research Council Canada</p><p> </p>

Junior Research OfficerAeroacoustics and Structural Dynamics Branch of Flight Research Laboratories

Sebastian Ghinet, <p>National Research Council</p>

  

Additional Files

Published

2015-08-19

How to Cite

1.
Price A, Ghinet S, Wickramasinghe V, Chen E, Grewal A. Investigation of Ground and Maintenance Crew Noise Exposure for the Royal Canadian Air Force CH-147F Helicopter. Canadian Acoustics [Internet]. 2015 Aug. 19 [cited 2024 Nov. 21];43(3). Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2799

Issue

Vol. 43 No. 3 (2015)

Section

Proceedings of the Acoustics Week in Canada

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