One-third octave spectral noise data are provided for 15 helicopters from the TSC Helicopter Noise Data Library. The original data were measured by TSC in 1978 through 1983 and published in reports as listed below. The data have been adjusted to reference conditions at a reference altitude of 1000 feet, utilizing the SAE standard atmosphere. The data are presented for the record at time of PNLTmax for a representative event, one each for takeoff, approach and level flyover.
This data report contains the measured noise levels obtained from an FAA Helicopter Noise Test Program. The purpose of this test program was to provid...
The helicopter models used in this test program were the Hughes 300C, Hughes 500C, Bell 47-G, Bell 206-L, Bell 212 (UH-1N), Sikorsky S-61 (SH-3A), Sik...
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