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Avalanche Control - Helicopter Bombing

Revelstoke, British Columbia - Feb, 2007

On location filming an episode of Angry Planet featuring avalanches and avalanche control.

The department of Transportation In British Columbia has many different ways that they use to control avalanches...And they all seem to include blowing things up!

Loading up a helicopter with numerous 12kg explosive charges that will be dropped into avalanche start zones.
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Bombs away! Bruce Allen drops the charges onto the slopes as the helicopter pilot shows off some fancy flying just above the treetops. A couple of minutes later...Kaboom! The snow slides down the mountain and onto the closed off roadway. Cleanup crews are standing by to plow up the mess.
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Some of the other control methods require a trip up the mountainside by helicopter into some very deep snow packs. This makes for some interesting landings in the deep snow.
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The Avalanche Guard is a remote station that contains mortar-like rounds of explosives that are fired by a laptop with a secure radio link. The operators can fire the device from a truck parked along the highway.
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The Rocky Mountains.
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