Airservices is Australia's air navigation service provider - we provide air traffic control, aviation rescue and fire fighting and air navigation services.

The Backup Navigation Network

The remaining network of navigation aids will form the Backup Navigation Network (BNN) . The BNN will be maintained by Airservices to support a GNSS contingency mode of operation, in the unlikely case where a pilot is unable to access the satellite service.

In 2004, the navigation aids that form the BNN network were selected by industry after extensive consultation, and following further industry validation in 2010, 14 additional navaids were added to the list.

The BNN network composition formed part of the CASA standard public consultation process that was undertaken in 2012, which took into consideration the new regulations.