[DakotaRed]

I find it very curious that we can hear the gunfire very distinctly, but not the helicopters themselves. I crewed the OH-6 and later the OH-58 in the late 60’s and early 70’s and helicopters are not the quietest aircraft around.

[Rebelbase]

I believe the current generation of choppers are much quieter than the old Hueys.

[Moonman62]

I find it very curious that we can hear the gunfire very distinctly, but not the helicopters themselves.

Being Miami it could have been real machine gun fire not from the helicopters. Mogadishu on the Bay.

(I'm exaggerating a little.)