studies
http://www.e-a-r.com/pdf/hearingcons/NoiseNav.xls
Noise Navigator™ Sound Level Database - noise database for general comparisons between weapon systems, aircraft and other noise sources.
http://cf.alpa.org/national/departme...portprject.htm
ALPA report on ANR headsets for cockpits
Last edited by Ravian; 4th Sep 2007 at 08:20.
Reason: Missing link