pluto7777 3 Posted December 12, 2019 Share Posted December 12, 2019 In my Airbus A319 cockpit: when i put off all systems and i put off all power, then a hissing sound keeps on continuing trough my speakers... What is that sound ? when entering the cold and dark state, it should become very quiet in the cockpit, no ? Relatively loud hissing sound keeps on going, even after 20 minutes, still there... Link to comment Share on other sites More sharing options...
Deputy Sheriffs Secondator 643 Posted December 13, 2019 Deputy Sheriffs Share Posted December 13, 2019 Do you have a video perhaps where this could be heard? I wonder if it's something in the environment that's not related to the A319 itself but comes from the scenery or something. Link to comment Share on other sites More sharing options...
pluto7777 3 Posted December 13, 2019 Author Share Posted December 13, 2019 Thx for reaction, i will make one. According to me it is one of the background cockpit sounds (air-ventilation - cooling fans - motor driven units - etc..) that does not stop after cutting off all power. When starting in opposite direction (from cold en dark) there is indeed no sound (as it should be...) Not such a problem, but i have a rather powerfull sound system from Bose on my sim, and then the remaining hissing sound is a bit annoying. (Just for info: when doing the same handlings at same spot with my FSL bus; all sound do stop and total silence comes in...) Link to comment Share on other sites More sharing options...
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