Helicopter taking off with sacks hanging in a bag & crashing into side of the valley.
Croesor Valley, Festiniog.
A Westland Sikorsky S-51 helicopter landing in valley watched by people, taking off with sacks hanging in a bag (name on van Mulcaster). People watching, helicopter flying, shepherd watching, dropping sacks, exploding white powder, helicopter the touching ground in the valley, helicopter twisting around and bashing the back of the helicopter on the ground, helicopter crashing, people running to wreck, man explaining incident. (Pilot Dennis Bryan).