Accession Number:

AD1034178

Title:

Joint Service Aircrew Mask (JSAM) - Tactical Aircraft (TA) A/P22P-14A Respirator Assembly (V)3: Noise Attenuation and Speech Intelligibility Performance with Double Hearing Protection, HGU-55A/P JHMCS Flight Helmet

Descriptive Note:

Technical Report,03 Oct 2016,30 Dec 2016

Corporate Author:

711 Human Performance Wing Wright-Patterson AFB United States

Personal Author(s):

Report Date:

2017-03-01

Pagination or Media Count:

27.0

Abstract:

Noise attenuation and speech intelligibility measurements were conducted in accordance with American National Standards Institute ANSI S12.6-1997 Methods for Measuring the Real-Ear Attenuation of Hearing Protectors and ANSI S3.2-2009Method for Measuring the Intelligibility of Speech over Communication Systems on the Joint Service Aircrew Mask Tactical Aircraft JSAM-TA AP22P-14A Respirator Assembly V3 with the HGU-55AP Joint Helmet Mounted Cueing System JHMCS flight helmet in combination with Communications Earplug CEP and 3M EAR Classic foam earplugs. The objective of these measurements was to determine if the JSAM-TA performance requirements were met when double hearing protection was used.

Subject Categories:

  • Protective Equipment
  • Military Aircraft Operations
  • Acoustics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE