![Illustration of R44 helicopter approaching a power line that is barely visible.](https://flightsafety.org/wp-content/uploads/2019/12/helicoptersafety_dec19-jan20_featured1.png)
Although the pilot of a Robinson R44 sought information on the location of electrical power lines in Victoria, Australia, before a flight, the lack of electricity network maps and markers was partly responsible for his flight into a low-strung line, the Australian Transport Safety Board (ATSB) says.