Powerlines are usually something helicopters steer clear of.
However, yesterday, hovering precariously between pylons, a helicopter was used to string cables between transmission towers during a pivotal phase in the construction of a new transmission line running through the Waikato.
The chopper was used to string the wires across a section of State Highway 1 near Karapiro, and over Lake Karapiro yesterday morning.
The impressive sight, which would have been witnessed by morning commuters driving along SH1, was part of Transpower's North Island grid upgrade, one of the largest transmission projects to be undertaken in New Zealand.
The 186km, 400kV-capable line runs from a new substation at Whakamaru to South Auckland.
A Transpower spokeswoman said the project was ahead of schedule with 98 per cent of the transmission towers, 96 per cent of foundations and 60 per cent of the stringing now completed.
The project is due for completion later in the year.