121 Communications and Rescue Flight (C & R), Sea Island RCAF Station. Beechcraft Expeditor 2380 QT-380 struck a cliff face on Mount Arrowsmith, Vancouver Island en-route to Tofino, possibly as a result of engine failure, resulting in the loss of all four crew and passengers aboard.
Flying Officer Lawrence Edwin Oppenheimer (RCAF), Flying Officer Michael John Saunders (RCAF), Squadron Leader (Chaplain) Bernard George Stibbards (RCAF) and civilian passenger, Electrical Engineer Ronald D Hall were all killed in this flying accident
Mt Arrowsmith Beechcraft Expeditor crash? -
The RCAF Plane That Disappeared on Mount Arrowsmith - YouTube