 In 1961, an engineer returning to the mountain after having dental work performed in town went missing and was found by police, his station wagon having skidded into a snowbank.Less than a year later, two men supplying the site with butane gas had to walk the final to the top when their truck stalled.In 1963, a plane carrying unrelated personnel to the top of the mountain crashed in conditions, and the occupants took shelter at the transmitter site, the only shelter in a radius of .