posted on Oct, 29 2010 @ 01:13 PM
Examining the video you linked, I think the "beam" you see is a film artifact due to the intense light and a low quality camera. Notice how towards
the end, when the smoke gets in way of the intense light of the fire, the beam disappears. But when the fire's light becomes intense again due to
the smoke not being in way of the line of sight, the beam appears again.
As for the hole in the helipad? I see burn marks around it that resemble what happens to a piece of painted plywood placed over a fire. The paint
ontop begins to smoke and combust before a hole is gradually worn in from the bottom. Perhaps the fire was once directly under the helipad and caused