You are referring ,I believe, to the DHC-4 Caribou not the DHC-5 Buffalo.
Yes the Caribou turbine conversion accident was a very sad and avoidable tragedy.
Originally Posted by
NutLoose
Crikey I thought they went years ago, is the turbo prop conversion based on the civi one where the guys son died on the final certification flight, the control lock had been left in and it climbed rapidly, stalled and sadly went in killing them all.
There is a film of it on you tube
the owner gave up on the project after watching his son die in front of him, absolutely tragic.