Not sure, but I have noticed this myself. I figured it was just the sound mod I was using, although ACE does add their own A-10 so I guess it makes since. Just find their A-10 file, most likely in the ACEX folder. And use a program like eliteness, to open it and change the sound or get rid of it.
The person who has nothing for which he is willing to fight, nothing which is more important than his own personal safety, is a miserable creature and has no chance of being free unless made and kept so by the exertions of better men then himself.
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