'Olga' gets CN Tower job done but not without wonky maiden voyage (opens original article in a new tab)

A Sikorsky Skycrane helicopter named Olga was used to install the CN Tower's antenna in 1975, facing technical challenges during its maiden flight.

• Olga, a Sikorsky Skycrane helicopter, was used to install the CN Tower's antenna in 1975.
• The operation faced challenges including unbalanced harnesses and jammed pins requiring torches to remove.
• Using helicopters at high altitudes for such work was uncommon at the time.