Originally Posted by
helispotter
dragon6172: When I play the Forbes Breaking News clip posted by Gordy in #251, I see different things when using different screens and different playback speeds. For slow playback speeds, like x0.25, you will probably see the entire body of the helicopter sometimes comes and goes or jumps. What might seem like a puff of smoke that is left behind by the helicopter (I certainly see that at some speeds and on some screens) might just be the previous position of the fuselage fading out in a following frame and might relate to a video compression processes? NTSB should have the benefit of gaining access to the original recordings.
I am inclined to agree with you 'something' is there; a part of the aircraft separating or puff of smoke? impossible to tell but fairly sure you have spotted something.