Acoustic noise measurements were made at crewmember locations on board an AC-119G and AC-130A gunship. Measurements were made during taxi, takeoff, climb, and cruise power settings. In addition, measurements were taken during firing of the four 7.62 mm miniguns on the AC-119G and the four 7.62 mm miniguns and four 20mm vulcans on the AC-130A. Measurements were at typical crewmember locations throughout each aircraft during various weapon conbination firing configurations. The data are presented in data zones and each zone is shown attenuated by each of four in-service ear protection devices. (Author)
Measurement and Analysis of Bioacoustic Environments Aboard Ac-119G and Ac-130A Gunships
1969
40 pages
Report
No indication
English
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