US Department of Agriculture, USDA Forest Service, Technology and Development Program Banner with Logos.
Images from various aspects of the T&D Program.
HomeAbout T&DT&D PubsT&D NewsProgram AreasHelpContact Us
Search T&D
   Go
  Search all USDA
Program Areas
Left Nav Bottom
T&D > Programs Areas > Inventory & Monitoring > Sound Toolkit > Helicopter Logging > Appendix 3 Program Areas
Sound Measurements Toolkit

Sound Measurements of Helicopters During Logging Operations

Appendix 3 . Sound Measurment Data taken of the Boening Vertol 107-II at Log Landing Sites of the "Cedar House" Timber Sale.

For a pdf version of Appendix 3 - click here.

Click on image for larger view.

Appendix 3 - raw data - Vertol 107 - page 1

Appendix 3 - raw data - Vertol 107 - page 2

Appendix 3 - raw data - Vertol 107 - page 3

Appendix 3 - raw data - Vertol 107 - page 4