User Manual Environmental Qualifications Handbook For Acra KAM-500 Download Resource The file you are trying to access requires you to be logged in as a registered user. Registration is free, sign up today. Username Enter your Curtiss-Wright Defense Solutions username. Password Enter the password that accompanies your username. Forgot password? Don’t have an account? Register here. All Acra KAM-500 modules have been specifically designed to operate in harsh aerospace test environments. This document introduces Curtiss-Wright’s environmental testing of the Acra KAM-500 system.